Do-it-yourself installation of a profiled sheet on the roof. How to properly cover the roof of the house with corrugated board. Installation of corrugated board: step-by-step master classes

The desire to save money pushes people who know a lot about construction to produce roofing on one's own. Having familiarized yourself with the technology, you can make a roof from corrugated board with your own hands without resorting to the services of professional builders.

Decking - steel sheet with zinc or polymer coating. It has a wave-like shape and stiffeners. It is marked with letters and numbers, where the letter means the area of ​​application, and the number is the size of the stiffener, for example, C-20 - wall corrugated board with a rib height of 20 mm. Depending on this value, the step of the crate is determined. The larger the rib, the wider the step of the crate.

Purchase of material

When buying corrugated board, ask the seller about the availability technical documentation, which specifies:
what step of the crate to use for a particular slope;
the number of self-tapping screws per 1 m²;
examples of calculating the amount of corrugated board.
These data will help to make a quality roof.

The truss system must fully match the parameters specified by the manufacturer. Under such conditions, the roof will last at least 30 years. If you plan to install snow retainers, then do not forget to add a crate at the place of their attachment. Chimneys and ventilation outlets should be beaten with a board for the possibility of attaching junctions.

Calculations

When making a roof, sheets equal to the length of the slope are used - this eliminates the presence of ugly joints. For an example of calculations, consider a slope measuring 5 m in length and 6.5 m in width. Let's say we use corrugated board width, which is 1.15 m. It should be noted that the working width is 1.1 m. In this case, 6 sheets will be required per slope.
Note - the width is given as an example when calculating, take into account the actual size.

Calculating the number of screws is easy. According to the technology, it is required to fasten through one wave across the sheet and with a step of 1 along. Under these conditions, 6 self-tapping screws per 1 m2 will be required and there will still be left for attaching the ridge. After acquiring materials and preparing the tool, you can proceed with the installation of sheets.

Roofing

Do-it-yourself profiled sheet roof is made without the use of lifting equipment. There are several ways to deliver material to the roof:
the first method is used when the height of the building allows you to put the corrugated board and rest it on the cornice. In this case, you can tighten the sheet from the slope and mount it.
the second way is to drill a hole for a hook on the edge of the corrugated board, which can be made from a 150 mm nail. The hook is attached to the rope and hooked to the sheet. One person on the roof lifts the corrugated board by the rope, and the second holds the opposite edge. Thus, a gentle lifting is carried out, and the material is not damaged.
Note - you can raise the corrugated board from the scaffolding, but this is not cost-effective, because you will need to purchase boards for their manufacture. After the work is completed, the boards will remain and, perhaps, there will be nowhere to use them. Therefore, the rope method is better.

To fix the corrugated board, you will need a drill or a screwdriver with a nozzle for roofing screws. First you need to properly position the roofing material on the slope. It is laid on the edge of the roof and aligned along the cornice overhang, then fixed to several fasteners. Next, you should take measurements from the sheet to the opposite edge of the roof. The distance at the ridge and the eaves should be the same. Otherwise, make adjustments.

After that, scroll the fasteners according to the instructions from the manufacturer. The next sheet is installed on the first one with an overlap in one wave. The seam should be in the wind so that snow does not clog into it.
Note - some types of corrugated board have a capillary groove, in this case, laying is carried out in one direction.

The last sheet is mounted using a mounting belt and rope. If these devices are not available, then you can make a light ladder and mount it from it. The ladder is installed on the previous sheet and the last roof element is mounted from it. The second slope is sheathed in the same way.

Mounting the skate

By applying a special sealant when mounting the ridge, you will prevent snow from entering the under-roof space. The sealant is glued to the ridge and then the installation is carried out. Fastening is carried out with self-tapping screws in places where the ridge rests on the upper wave of the corrugated board. The fastener must be of sufficient length to reach the crate and enter it by at least 2 cm.

Ridge elements are placed along one line on the roof and fastened together with self-tapping screws. This method allows you to see all the irregularities and eliminate them. Then they are fastened with roofing screws in increments of 30–50 cm.

Connection installation

When making a roof from corrugated board with your own hands, you will also have to independently install an adjoining furnace or ventilation pipe. It is made from a smooth sheet in one color with corrugated board or galvanized steel. When connecting a profiled sheet to a square pipe, special corners with shelves 30 cm wide are used, and a smooth sheet is used for a round pipe.

Adjacent to round pipe makes together with an apron, which is installed under the skate. It is a smooth sheet located between the ridge and the pipe. The junction itself is made of the same material. It has a size identical in width to the apron and arbitrary in length. During manufacture, a hole equal to the diameter of the pipe is organized in the center of the junction.
Having installed, the connection is screwed into place, and an apron is laid on top of it and fixed with self-tapping screws. Fastening must be done in places where the crate passes. This method is also suitable for metal tiles.

It is worth noting that for ventilation outlets, you can purchase finished products that look attractive and emphasize the neat appearance of a roof made of corrugated board or metal tiles. How to mount them is a topic for another discussion.

“How to properly cover the roof with corrugated board and is it possible to do it yourself?” - these questions are asked by every homeowner who decides to use a corrugated sheet as a roof covering for his house or outbuildings. profiled sheet as roofing material is a leader not only in the price-quality ratio, but also in ease of installation. If you act step by step and strictly follow the simple technology, then covering the roof with corrugated board will not cause any particular difficulties.

For the roof, a metal profile of the H57 or HC35 brand is chosen. H57 corrugated board with an additional stiffener, the so-called load-bearing one, is ideal as a roofing material, but a little expensive. Usually they use the universal HC35, it is suitable in terms of quality and is more affordable in terms of cost. You can choose a regular galvanized sheet, or you can choose a polymer-coated one, it all depends on your wishes and wallet. Before covering the roof with corrugated board, you need to decide on the number of sheets of material, additional elements. If the roof is simple enough, then you can do the calculation yourself. The roof slopes are rectangles, isosceles trapezoids or triangles, that is, the length of the slope is the value from the ridge to the base, add 5 cm and get the length of the metal profile sheet.
When roofing with corrugated board, it is desirable that the slope be covered in length with one sheet, since the fewer overlaps, the more reliable the roof, but if you still have to cover in several rows, then you need to add 20 cm for each overlap. Hence:

• PROF SHEETS LENGTH \u003d Slope LENGTH + 5 cm, if the roof will be covered in one sheet.
• PROF SHEETS LENGTH \u003d Ramp LENGTH + 5 cm + 20 cm (for each row with an overlap), if the roof will be covered in several horizontal rows.

The number of sheets of corrugated board is considered according to school course geometry. The area of ​​​​each slope is calculated and divided by the working area of ​​\u200b\u200bthe profiled sheet. CALCULATION EXAMPLE: The slope is a trapezoid. Making measurements:
The roof can be covered in 2 rows of 4.3 m each - 20 cm will go to the overlap, 5 cm to the overhang, and it turns out the working LENGTH of the sheet \u003d 4.3 m-0.2 m-0.05 m \u003d 4.05 m. For each type of metal profile has its own working width, but in this example, the most common corrugated board for roofing HC35 is considered. The useful width of the HC35 metal profile sheet is 1 m, so the working area of ​​​​the sheet for such a slope is 4.05 × 1 = 4.05 m2. We consider the number of sheets: 128: 4.05 \u003d 31.6, that is, you need 32 sheets of metal profiles of 4.3 m each. You can take and cover the roof with one sheet 8.15 m long, you will need 128: 8.15 \u003d 15 such sheets, 7, that is 16 sheets. But will it be convenient to work with such a length yourself ... If the roof is “broken”, with many bends, you need to scan all the slopes and count the number of sheets for each slope and add them up. You can also turn to specialists, they have special programs that will make a calculation and even a better installation scheme. Is there some more online calculators to calculate the amount of corrugated board, but before entering the data into the program, check the correctness of their calculation on a simple example, at least on the one given above. Depending on the type of roof, additional elements are also purchased, such as skates, end, cornice and butt strips, self-tapping screws for their fastening. Self-tapping screws are purchased at the rate of 11 pieces per 1m2. Thus, before covering the roof with corrugated board, it is necessary to carry out painstaking work on measuring, counting all the materials that will be used in the work. This stage should be worked out very carefully so as not to interrupt work in the future due to a lack of some details.

standard stage. Warming and vapor barrier

Roof from corrugated board for our climatic conditions Definitely needs to be warmed up. The insulation technology is the same as for all other types of coating: mineral wool between the rafters and a vapor barrier layer, the insulation layer must be at least 15 cm.

Hydrobarrier

In order to protect the heat-insulating layer from moisture and prevent the roof from leaking, a waterproofing layer is laid. This is a mandatory step, it cannot be neglected. Consider how to properly waterproof the roof. Under the roof with corrugated board it is better to choose modern waterproofing materials. Both membrane and polypropylene films are widely used. The technology of their laying is very simple. If the roof is new, being built from scratch, then, of course, it is better to use a membrane. The waterproofing layer is unwound over the main rafters in horizontal rows. The overlap of the top row to the bottom should be 15 cm, the film should sag a little by 2 centimeters (but there should be a distance between the insulation layer and the waterproofing of about 3 cm) and fastened with a stapler to the rafters, the overlaps should be glued with adhesive tape.
If it is planned to simply cover the roof with corrugated board, previously covered with other material, then there is no point in using a membrane. A dense thick polyethylene film is laid on top of the old insulating layer, for example, roofing material. In any case, the waterproofing is fastened with a stapler, and the joints are glued with construction tape.

Counter-lattice and crate

After the waterproofing layer is laid, the counter-lattice is stuffed. Along the main rafters, over the hydro-barrier, bars are stuffed with gaps of 20 mm. For the counter-lattice, 25 × 40 mm bars are usually used. A crate is stuffed onto the counter-lattice. For different types of corrugated board, different types the pitch of the crate, the thinner the corrugated board and the smaller the angle of the roof slope, the smaller the pitch of the crate. This article discusses how to properly cover the roof with corrugated board, therefore, the recommended correct option for the roof - metal profile HC35. However, in the table below we indicate the recommended step for different types profiled sheet.

Type of corrugated board	roof slope	Sheet thickness	Lathing step
S-8	more than 15 degrees	0.55 mm	solid
P-18; MP-20; P-20; S-20	up to 15 degrees	0.7; 0.55 mm	solid
	more than 15 degrees	0.7; 0.55 mm	no more than 500 mm
NS-35	up to 15 degrees	0.7; 0.55 mm	no more than 500 mm
	more than 15 degrees	0.7; 0.55 mm	no more than 1000 mm
S-44	up to 15 degrees	0.7; 0.55 mm	no more than 500 mm
	more than 15 degrees	0.7; 0.55 mm	no more than 1000 mm
H-60		0.7; 0.8; 0.9 mm	no more than 3000 mm
H-75	not allowed less than 8 degrees	0.7; 0.8; 0.9 mm	no more than 4000 mm

For lathing, 30 × 40 mm slats are usually used. They begin to be stuffed in horizontal rows from the eaves to the ridge in increments of 500-1000 mm, depending on the angle of the roof. The slats are spliced ​​only on the rafters. For all these works, galvanized nails are used. The length of the nails should be 2 times the thickness of the battens. It is advisable to make a continuous crate on the ridge and on the eaves of the roof, in the places where the pipes exit, on the valleys, it is necessary to fill additional bars, to which additional materials will be attached later for their design. Ideally, a sectional roofing scheme with corrugated board looks like this:

Laying profiled sheets

It's time to directly attach the corrugated board to the roof. Sheets are fastened only with special roofing screws with a rubber lining near the cap and a drill at the end, matching the color of the profiled sheets. For fastening, a conventional screwdriver is used. First, the eaves plank is attached.
Sheets rise to the roof along inclined boards so as not to deform them. The first sheet begins to be laid from the lower corner of the roof, the sheets are carefully aligned with the eaves. The fastening of the corrugated board to the crate is carried out in the lower wave with self-tapping screws 4.8 × 35 mm in size.
There are several schemes for laying profiled sheets, but the rules for working with profiled sheets are always the same:

1. The lowest row (along the eaves) and the uppermost row (along the ridge) are fastened with self-tapping screws into each wave deflection.
2. The middle of the slope is fixed through the wave in a checkerboard pattern.
3. Self-tapping screws are screwed in clearly perpendicular to the plane of the sheet, distortions are unacceptable.
4. The longitudinal step for fastening the sheet is 1 m.
5. Vertical overlaps between adjacent sheets are 1 wave (for flat roof 2 waves).
6. The top row lies on the bottom row with an overlap of 20 cm.
7. The horizontal overlap line is fastened with self-tapping screws into each lower wave.
8. Profiled sheets along the edges of the roof are attached to each plank of the crate.
9. Cutting profiled sheets is done either with an electric jigsaw or electric shears (not a grinder!).
10. You should move along the roof along the lower wave in soft shoes.

Since it is not so difficult to properly cover the roof with corrugated board, fixing the sheets should not take much time. After all the sheets of the metal profile are fixed, they begin to fasten the additional elements: skates, end (wind) strips, snow retainers. The ridge is fastened with self-tapping screws into every second upper wave, with an overlap on the sides of 150-200 mm. End (wind) strips are installed with an overlap of at least 50 mm.
All additional elements are fastened with special long self-tapping screws for the metal profile - 4.8 × 50 (60) mm.

Using galvanizing for "difficult" moments

It is very convenient to cover the valleys with ordinary galvanized iron or painted metal. To do this, an ordinary sheet is bent at the angle of the valley and nailed to the crate, and corrugated board is applied on top. For decorative design of this element, in order to close the corner that does not match in color, you can install the top bar of the valley from above, matching the color scheme. A metal sheet can also be used to insulate the pipe. folded into a letter Z, the upper bend is sawn 2 cm into the pipe, the lower one is attached to the crate, and the corrugated board is laid on top. To get comprehensive answers to the question: “How to cover the roof with corrugated board with your own hands” and learn some tricks, you can check out the following video tutorials.

For a comfortable stay in the house, it is important to make a high-quality and reliable roof with good coverage. To date, one of the best roofing is corrugated board. It reliably protects the roof from leaks, collapses, provides tightness in the under-roof space. And the most important thing is that it is environmentally friendly. However, the correctness of the installation work. Only in this case, the corrugated roofing will serve you for many years. This article will provide detailed instructions how to cover the roof with corrugated board with your own hands, as well as video and photo materials.

As mentioned at the beginning of this article, corrugated board has a lot of advantages, which makes it an indispensable roofing material. You can also note other positive aspects of this material:

• The profiled structure of the sheet has a high bearing capacity.
• The lightness of the material greatly simplifies the work with it.
• After laying the sheets on the roof, no joints are formed. This ensures the tightness of the coating.
• Due to the special polymer coating, the material does not corrode, and as a result, its service life increases.

Note! Laying corrugated board on the roof should not cause any special problems, and at first glance, everything may seem extremely simple. However, during installation work, no flaws and inaccuracies should be allowed.

For the transportation of corrugated board, specialized transport is required. Sheets must only be laid horizontally. It is also recommended to pull them together with slings, after laying them on a hard and even surface. There are also special requirements for the driver. It is necessary to drive the car without sudden braking and turns. Failure to do so may result in damage to the material on the way to its destination.

In addition, it is important to ensure high-quality storage of corrugated board. The base must also be level and firm. If it's time to lift the sheets to the roof, then you need to do this with the help of a log. Their length should correspond to the height of the roof from the ground. You can lift several sheets at once.

Note! If the weather is windy, then it is impossible to lift the sheets onto the roof.

Today, such types of corrugated boards are known:

• Mark C. The canvas has a sinusoidal or trapezoidal shape. If you decide to do decorative trim roofs, then this option is just the way.
• RS brand. It is used both for laying on a roof, and on walls.
• Mark N. This model is equipped with additional stiffening ribs.

It is very important to know what slope angle is allowed for a particular product. Each manufacturer develops individual instructions. Therefore, when buying, you should ask for instructions, which is called the so-called "Installation of the roof from corrugated board instructions." Based on this, it is important to consider the future slope of the roof. Knowing the slope will help you calculate how much overlap each sheet should have. Below are some calculation options:

1. A slope of less than 15° will provide an overlap of 200 mm or more.
2. A slope of 15 to 30 ° will provide 150–200 mm and no more.
3. If the slope is less than 12 ° or the roof is flat, then each seam and joint should be carefully sealed. Otherwise, the roof will not cope with its functional responsibilities.

Calculation

Before buying material, it is important to calculate the number of sheets. This requires information regarding the width and length of the slope, as well as what brand of corrugated board will be used. For calculation, you can use special program or draw a roof on a reduced scale. This will help to perform almost accurate calculations. It should not be forgotten that the sheets are overlapped. Depending on the angle of the slope and the grade of the profiled sheet, the overlap will differ. So you will find out how much the length and width of the sheet will be “eaten up”. Moreover, do not forget to add an overhang to the cornice, which can be up to 30 cm.

Note! It is necessary to purchase all additional elements in advance, for example, valleys and slats. They will be fixed in places where the slope has a certain kink, from the end, on the ridge and in other similar places.

Each sheet is attached to the crate with self-tapping screws. This is the only way to ensure reliable coverage. Fasteners are subject to special requirements. So, they must be made of galvanized steel. In this case, each self-tapping screw must have a special gasket made of elastomer or neopreon rubber. This rubber will provide a hermetic docking of the self-tapping screw with the profiled sheet. Due to this, moisture will not penetrate the wooden elements of the roof, which means that rotting of the supporting structure will be prevented.

The following technical parameters are presented for self-tapping screws:

• Size 4.8x32mm, 4.8x60mm and 4.8x80mm.
• The presence of a protective and decorative coating on the hat in the form powder paint and a layer thickness of 50 µm.
• The surface is treated with electrolytic galvanization with a thickness of 12 microns.
• The presence of a protective gasket made of elastomer for profiled sheets and for valleys made of aluminum sheet.
• Self-tapping screws should contain stabilizers that do not allow the negative effects of ultraviolet rays.

Note! When buying coating sheets, purchase one color and self-tapping screws. This will give the aesthetics of the entire roof.

It should also be mentioned about special seals, which are made of foamed polyethylene and polyurethane foam. The sealant is placed between the sheet and the crate. It is believed that a strip seal with a rectangular cross section is universal. But it will be much more effective to use those seals that repeat the shape of the profiled sheet.

The presence of a seal reduces noise metal roof, increases the quality of the thermal insulation of the cake and increases the service life. A special adhesive is applied to the strips of the seal on both sides, so its installation is greatly simplified. It is very important that the sealant be perforated for ventilation in the under-roof space.

Note! The presence of a seal eliminates large gaps formed as a result of adhering to roof structure sheet. Birds, insects and cold air often get into these gaps. Special properties sealant materials make it bioresistant and moisture resistant.

Immediately before the installation of profiled sheets, hydro and vapor barrier is laid. To make a vapor barrier, you can purchase a special film or roofing material, in extreme cases. The vapor barrier is attached to the crate. It is recommended to lay it from the lower edge of the roof. Due to this, each subsequent layer will be lower and moisture will not penetrate to the wood.

Note! If the brand of corrugated board S-8, S-10 or S-20 up to 0.5 mm thick is used, then the crate must be continuous. In all other cases, the pitch of the crate is selected individually from the characteristics of the roof.

Separately, it is worth mentioning about the layer of insulation, which will save 25% of heat. Those roofs on which corrugated board is mounted are advised to use matte insulation. The result is a roofing cake:

• A layer of vapor barrier film.
• Insulation.
• The final waterproofing layer.

When making this “pie”, a “cold triangle” should be organized. Its presence will ensure a good passage of warm and cold air through the cracks in the cornice and ridge. So, natural ventilation will be created, which will prevent the formation of condensate.

The laid waterproofing layer will retain all the properties of the insulation. Otherwise, with strong moisture on the roof, an ice crust, dampness will form and, as a result, the process of wood decay is inevitable. For this reason, the material for each layer of the cake must be chosen carefully. It must be of high quality.

In order for all the work to go smoothly and without failures, take care of the availability of the necessary tools in advance:

• rope;
• roulette;
• screwdriver;
• hammer;
• metal scissors;
• construction gun with sealant;
• marker or pencils;
• construction stapler;
• drill.

Note! Cutting of profiled sheets is carried out in a cold way, since the polymer coating is not resistant to high temperatures. It is better to use scissors for metal or a jigsaw. At the same time, treat each cut with an anti-corrosion primer. This will increase the life of the coating.

Laying scheme

The sheets are overlapped on the lower edge of the roof, and the screws are twisted into the bend of the wave. Compliance with a specific installation scheme will allow you to create reliable roof. First of all, under the valley plank at the level of the crate, a dense flooring is made from the groove at a distance of 60 cm from both sides. The lower boards of the valley are mounted with an overlap of 20 cm. The bottom plank is fixed from the edges with nails, and the final fastening is carried out together with the roof. If the slope is gentle, then sealing mastics should be used here.

Under the ridge, the bottom bar is wound up by 25 cm. A profiled or universal seal should be laid between the profiled sheet and it. As for the installation of end boards, it is better to fix them above the crate, then it will be possible to fix the end plate. This structure will be called a wind corner. After that, a cornice strip and filing with corrugated board are installed. It is mounted below the profiled sheet.

Installation of sheets will depend entirely on the type of roof. For example, if the slope is gentle, then a longitudinal seal is used and overlapped by one wave. If the slope is a steep compactor, it is not necessary to use.

Note! If you have a hip roof, then the installation begins with the hip itself. A cord is stretched along the cornice and each subsequent sheet is aligned along it. It is unacceptable to do this at the end of the ramp.

There are two methods for laying sheets of corrugated board on the roof:

1. Vertical direction. In this case, the first sheet with temporary fastening is laid below. Similarly, the sheet is mounted on the second row. Next, two sheets are stacked side by side, a square of 4 sheets is obtained. More sheets are stacked to it and so on. This method is in particular demand if the roof is equipped with a drainage groove.
2. Another method of stacking sheets is to make a block of 3 sheets. First of all, 2 sheets are laid on the first row. Between themselves, they are securely fixed, and the 3rd sheet of the 2nd row is joined last. This block can be fixed while aligning with the eaves.

Note! No matter which sheet stacking method you choose, it is important to pay special attention to each docking point. It is on this that the reliability and quality of the roofing will depend.

For each sheet of corrugated board, 7-8 self-tapping screws are required. They need to be twisted into the bottom wave. As mentioned above, the material is overlapped both vertically and horizontally. The overlap will depend on the angle of the slope. From what place should the sheets be laid? If the roof slope has a rectangular shape, then it is possible from any end along the cornice line. If the shape is a trapezoid and a triangle, then first of all it is important to think over the laying scheme. However, the first sheet is mounted in the center, and then the sheets are stacked symmetrically on both sides.

If a drainage system is planned, then the corrugated board is mounted along the eaves with an overhang of 60 cm. If it does not exist, then the overhang is carried out according to the material grade:

• NS-20 - up to 10 cm.
• S-44 and NS-35 - up to 30 cm.

So, align the first sheet along the cornice and the end of the roof. After that, it is fixed with a self-tapping screw at the top. Each next sheet is fastened along the longitudinal side of the sheet. It is pre-aligned with the eaves, and then fastened with the crate. According to this scheme, row after row is assembled.

The installation of the material is carried out so that a frontal overhang 7 cm wide is formed. At the cornice, the sheet is fixed at a distance of 30–40 cm, and the remaining rows of self-tapping screws can be staggered in increments of 1 m. . On a longitudinal overlap, fasteners are located at the top of the profile at a distance of 300 to 500 mm.

The next step is to install the ridge and the end plate. According to the standard, the end plate is 2 m long. If the length is not enough, then it overlaps. The fastening of the strap is carried out from the roof overhang to the ridge.

Note! When mounting the end strip, make sure that it overlaps at least one wave of the sheet. Self-tapping screws are twisted in steps of 1 m to the profiled sheet.

After that, it remains to make the last node of the roof - the ridge. Only smooth ridge elements should be used here. A number of experts recommend laying a special ventilated seal between them. If the sheets are corrugated, then a ridge seal is used.

At the end of the roofing work, a junction bar is installed with profiled sheets. They are an element with a length of 2 m. They overlap up to 20 cm. The fasteners are made with self-tapping screws from the side of the roofing sheets. Mounting pitch 40 cm.

Note! When organizing the adjoining of the roof to the wall, a special sealant should be used. It is laid between the joint strip and the upper edge of the corrugated board.

To prevent snow and rain from getting into the cracks, a longitudinal seal is also laid to the side junction. If the roof is steep, then such a seal is not needed.

In conclusion, let's summarize:

1. It is very important to pay attention to the transportation of roofing material.
2. The sharp edges of the sheets can cut your hands, so you need to work with protective gloves.
3. It is necessary for three people to lift the sheets to the roof. It uses two guides.
4. The installer must wear shoes with soft soles so as not to scratch the surface of the sheets.
5. If the surface is accidentally scratched, then these places must be treated with paint for polymer coatings.
6. You can step on the sheets only in places of the crate.

So, we are convinced that corrugated board is an excellent material for roofing. However, it is important to remember that it can serve for a long time and with high quality only if the installation and calculation technology is followed. If you have any experience in this construction industry then write comments at the end of this article. It will be equally useful to pay attention to the photos below. On them you can consider the intricacies of performing work on overlapping the roof with profiled sheets.

Video

In the video provided, you can learn more about the intricacies of installing corrugated board on the roof:

Photo

In the photographs you can see roofs made of corrugated board in various forms:

Scheme

Below is a series of photographs and tables from which you can get the details of installing corrugated roofing:

Profiled metal sheet is a very common roofing material in industrial construction, but recently private developers have also fallen in love with this coating. Properly laid corrugated roofing has very good performance. The use of some metals allows you not to worry about its maintenance and repair at all, because it can last up to 150 years. In this article, you will learn how a corrugated roof is laid, its varieties, properties and characteristics.

Profile marking

Profiled metal sheet - a unique building material. Thanks to it, you can create bases for other types of coatings, use it as a material for fixed formwork or build a fence with it.

During the production process, the surface of the corrugated board is covered with various polymers that protect the metal from corrosion and give the material different shades, but there are simpler species that do not have such protective layers.

The marking of profiled sheets does not have complex symbols.

• WITH- means that such material can only be used as components of sandwich panels, for wall cladding or fence installation
• Letter " H"means carrier. This sheet is used for equipment fixed formwork or as roofing
• The combination of both letters NS» assumes that such a product is universal and suitable for all possible jobs

In addition to the letters in the marking, there is also a digital designation. They show the parameters of the sheet, for example, C-50-0.6-845-6000, where 50 mm is the height of the corrugation, the thickness of the steel is 0.6 mm, the width and length are 845 mm and 6000 mm, respectively.

It is only necessary to lay corrugated board on the roof with an overlap, therefore, the width of the laid material will be slightly less. This nuance will be useful to you in the calculations.

If you do not know the marking of the profiled sheet, then you can measure the height of the corrugation. If the value obtained lies in the range from 2 to 16 cm, this is a bearing type, but if from 0.8 to 13.5 cm, then such metal can be used as walls for fences.

Advantages of corrugated board in comparison with other roofing coverings

Modern construction offers a very large number of roofing materials to choose from and it is often very difficult to decide, so I wrote a short list of the advantages of corrugated board over other roofing materials.

• High strength and resistance to external influences. These properties allow the material to easily cope with the resulting loads from wind, rain and snow. Ultraviolet radiation and slight mechanical impact does not affect the service life in any way
• The weight of the coating is quite small, only 10kg/m 2 . Thanks to this quality, there is no need to build a complex truss system e.g. as when laying natural tiles
• A wide range of. Manufacturers of this building material they can offer you different types and colors, but what is more important is the metal used. After all, when using different raw materials, the service life will differ significantly from each other.
• Durability. The minimum service life of a metal roof is 50 years. Of course, if all installation rules are observed
• Ease of installation. The corrugated sheet has quite big sizes therefore, filling the roof area with it will take very little time
• Cheapness. Here, a profiled sheet is compared with a metal tile, which has almost identical properties, the difference is only in aesthetics.

How to choose the right material

When the roof of the corrugated board is laid with your own hands, then you need to make some calculations and determine good material to cover the roof is one of the most important tasks of the builder. For correct selection you will need to know the following parameters:

• Decking must be marked H or HC
• Thickness sheet material must be at least 0.5 mm
• As a rule, the corrugation is taken from the range of 20-75 mm
• For ease of moisture removal, the material must have a capillary groove
• If aesthetic appearance is important to you, then take a product coated with polymers, but if you are looking for a coating for a temporary structure, then it is better to use the simplest corrugated board. This will save you a lot of money
• When buying roofing, carefully inspect it for scratches and chips.

Material requirement calculation

No work in construction can begin without preliminary calculations. At this stage, it is important to determine the future costs of material, time and effort.

If your comfort has gable roof then consider yourself lucky. This type of roof is very convenient for calculations, but if you have a more complex truss system, for example, hip or gable, then you will have to rack your brains a bit.

But I can please you, today, manufacturers of roofing materials allow you to calculate the need for materials on their computers, it is enough for them to know the required dimensions. This method allows you to determine as accurately as possible how much material will go to a particular plane.

If you count everything manually, and you calculate a complex type of roof, then for simplicity and accuracy, select the main figures on the plan, and then find their area. After that, all the results obtained are summarized and a value is obtained, which is divided by the parameters of the sheet material. So is the quantity. By the way, with such calculations, do not forget about the overlap, because it "eats" some sheet width and you may not have enough material.

In addition to roofing, at this stage, they calculate drainage system, snow guards, pipes and all other small parts.

Tools for the installation of corrugated board

For convenience, I have written a small list of basic tools that may come in handy during the installation process.

1. The most important tool, I think, is an electric saw for metal. Such a tool will allow you to easily divide the profiled sheet into the required dimensions. Using this tool, you will get the most even cut.
2. Metal scissors. Of course, an electric saw is a good thing, but sometimes it becomes necessary to cut off such places where this device simply cannot reach.
3. Tape measure and marker
4. Screwdriver. Such a tool is useful to you only when you use self-tapping screws as fasteners.
5. fasteners. Here you can use different products, but, as a rule, self-tapping screws are used, which have polymer seals and washers
6. Well, where can you do without a hammer, a standard hacksaw with fine teeth and a screwdriver

The truss system is a complex structural part of the roof, therefore, when working on it, maximum concentration and safety precautions should be observed. The worker's clothing should not hinder movement, shoes should have non-slip soles. The mounting belt must be in a functional state, and the safety cable is fixed to a reliable structure.

What does an insulated roof from a profiled sheet look like?

The insulated roof made of corrugated board in the section looks like this:

• Roofing (profiled sheets)
• Discharged crate
• Counter-batten
• Waterproofing
• Insulation plates
• Internal crate
• Vapor barrier layer
• Drywall

When you have learned the sequence of layers in an insulated roof using profiled metal sheets, let me tell you about how they are attached and what parameters they should have.

The corrugated sheets themselves are attached to the crate using screws or self-tapping screws with a rubber lining. The screwing of these fasteners itself should be done only in the lower wave of the material, and the fastening of the sheets to each other is carried out in the upper one, while the screw should not reach the crate.

The crate is made of wood and must be pre-treated with antiseptics, however, like everything wooden structures. The material for erection is boards 32x100 mm or timber with a section of 40x40 mm, and as counter-battens 32x50 mm.

The essence of the counter-batten is to press the vapor barrier membrane, which is a waterproofing. When arranging such a wooden system, care must be taken to create channels through which air can move freely - this is called ventilation. Without it, moisture condensate will appear, and your truss system will quickly fail.

Insulation boards are laid in several layers between rafter legs, if the dimensions do not match, then cut off the necessary piece.

By the way, in order for the thermal insulation not to fall out, you need to set a slightly larger size and when you stuff this material, it will not slip or fall to the floor.

The internal crate is created in order to hold the thermal insulation boards and create the bases for the installation of a vapor barrier membrane and drywall.

Do-it-yourself roofing from corrugated board

Very often from developers I hear questions about “how to make a roof from corrugated board?” and so I decided to answer it with the help of the site.

Knowledgeable teams of roofers know all the ways of laying this material, but if you are going to install corrugated roofing on the roof with your own hands, then this item is just for you.

The laying process can be carried out in only three ways.

1. In one row
2. in several rows
3. On triangular or trapezoidal slopes

In the first case, sheet material begins to be laid from below the left slope. The first elements are installed taking into account the cornice overhang, i.e. beyond the roof plane. The side sheets are temporarily attached to the base with one self-tapping screw, which is placed on top. Further, the laying of the material moves upwards, and upon reaching the ridge, the process begins anew by shifting to the right. After laying the second strip, the first one is calibrated and fastened tightly with fasteners.

I learned how to properly lay corrugated roofing on the roof with my own hands in several rows at work with my colleague on the first working day. To do this, we laid profiled sheets from one edge to the other, moving horizontally. This method is suitable for those whose roofing material does not fit the parameters, or it has to be cut frequently. The horizontal overlap should be in the range of 150-300 mm, and if the roof has a small slope up to 15 degrees, then all joints are treated with silicone or other sealant.

Often on complex roofing there are triangular or trapezoidal sections. Installation at such places occurs from the center and then leaves in both directions at the same time.

A do-it-yourself corrugated roof will have several dozen sections where the sheet material was cut. Therefore, in order to protect the metal from corrosion, it is worth treating them with a special primer. When dividing the material into parts, it is allowed to use only an electric cutter or scissors; the use of other tools, such as a grinder, will damage the coating much more.

For fastening, special screws or self-tapping screws with washers are used. They have rubber linings, as a result of which maximum sealing of the joints is achieved. The consumption of self-tapping screws is purely individual, but, as a rule, is 8-10 pieces. To give more aesthetics, paint the caps of the fasteners in the desired color.

Since a metal roof does not in any way suppress the noise of falling drops during rain, developers very often use polyurethane foam seals. They are laid along the perimeter of the overhangs, closing the corrugation space.

I hope after reading it it became clear to you how to lay corrugated board on the roof with your own hands and now you can go deeper. Now I will tell you how the arrangement of connecting places is made.

Installation of eaves, ridge and valleys

After laying the roofing material on the roof plane, the installation work does not end. Next, it is worth starting the arrangement of cornices, valleys and skates. I consider these places because they are the most important. It is with them that the frequent problem of leaking roofs is associated.

To achieve maximum safety from moisture ingress at the points of fracture of the planes, an additional crate should be arranged, and additional elements should be mounted on them, which were purchased together with profiled sheets, for example, abutment strips and valley gutters.

The ridge part of the roof must necessarily have a ventilation gap. It will allow the air mass to move freely in the attic space and remove condensate. To do this, the curved strips of the ridge assembly are screwed with screws through the corrugated board. The gap between them should be approximately 5 cm. The ridge itself should cover the profiled sheets in both directions by at least 10 cm.

I hope now people who ask the question "how to lay corrugated board on the roof?" will become smaller, because in this article you have learned almost everything you need and are able to do the installation yourself.

If you have any difficulties, watch the video on how to lay corrugated roofing on the roof, or contact the professionals.

Pros of a profiled sheet roof: strength, reliability, resistance to weather and corrosion, not very complicated installation.

Manufactured metallic profile by cold rolling galvanized steel sheets. Then it is covered with several protective layers:

• applied anti-corrosion coating
• the sheet is primed
• the bottom side is coated with a special varnish
• polymer paint is applied to the top layer.

Thus, the structure of corrugated board can effectively resist the appearance of rust.

Helpful information:

A wave-like configuration is given to the corrugated board by bending on specialized machines. This is done to increase bending resistance.

Which decking is better to choose?

Profiled sheets are divided into 3 classes:

• C for enclosing walls or making fences
• H for floors and coatings, the best option on the roof
• NS combined universal version.

Do not forget to ask for instructions when buying corrugated board. There you can find a lot of quality advice on working with this profiled sheet. A quality product that has certificates will always have instructions. Certificates and instructions can act as an indirect guarantor of reliable and high-quality products.

Calculation of the required material

When calculating the number of profiled sheets per roof, do not forget to take into account the overlap on both sides. Additionally, add an overhang from the edge of the roof.

Vertical overlaps can be of different lengths, since they fit with overlapping waves, and the wave for different brands of corrugated board is not the same.

The horizontal overlap of profiled sheets depends on the angle of the roof slope:

• angle up to 15 degrees, overlap more than 20 cm.
• angle from 15 to 30 degrees, overlap from 15 to 20 cm.
• angle more than 30 degrees, overlap from 10 to 15 cm.

The calculation of the roof overhang depends on the grade of the profiled sheet. The greater the profile height, the greater the overhang required. This is done to prevent moisture from getting under the overhang and, accordingly, rotting of the tree in the truss system.

Usually, when using a profiled sheet of grades HC8, C21, HC20, HC10, the cornice overhang is made from 5 to 10 cm. For profiled sheet grades HC35, H75, H60, C44 in the range of 20-30 cm.

The choice of lathing under the roof with a profiled sheet

I will warn you against the mistakes of novice roofers: be sure to consider the location of chimneys, ventilation and windows. In these places it is necessary to strengthen the crate by adding bars.

Although there are no strict standards for the implementation of the crate. Some rules to be aware of:

• The bottom board running along the eaves is installed thicker than the top bars
• The length and thickness are chosen based on the length of the sheets of corrugated board and self-tapping screws.

If you are reconstructing an old house, then you can not strengthen the truss system. As long as she didn't fall into disrepair. Since corrugated sheets are much lighter in weight, the roof will easily cope with the load, and you will save on the crate.

Waterproofing during roof installation

Before installing corrugated roofing on the roof with your own hands, it is imperative to lay a vapor barrier. You can use a wide variety of films that are commercially available. At budget repair ruberoid can be used.

The moisture-proof film is attached to the rafters with a stapler. Laying must be done from the bottom up. Thus, the upper sheets will cover the lower ones, and moisture will not get on the wood. Be sure to check, after installation, the film for integrity and seal all the cracks with sealant.

With properly installed insulation, the roof is able to retain 25% more heat.

If you are going to make an attic on the roof, then you definitely need to lay insulation. For these purposes, matte insulation is better suited. The insulation is laid between the rafter legs and is closed on both sides with waterproofing.

Be sure to observe a uniform distance in the manufacture of the crate, for better fastening of the corrugated board. Usually the step is 0.5-1 meter.

Treat the truss system with solutions that protect against decay and fire.

Since it is impossible to be sure that there is no moisture on the surface of the waterproofing, it is recommended to make ventilation. The easiest way is to install wooden slats between roofing and waterproofing.

Roof installation with corrugated board

Sheets should be laid from the bottom to the top, to the visor. It is also necessary to remember about the obligatory protrusion of the corrugated board from the edge of the roof.

Let's look at the options for laying profiled sheets on the roof:

• First and most importantly, each next professional sheet should cover the previous one. It does not matter the direction of laying, from left to right or vice versa.
• With a sloping roof, overlap in two waves or use a longitudinal gasket from the seal.
• On a steep roof, you can do without a sealant and use an overlap in one wave.
• The order of laying corrugated board depends on the type of roof. If the roof has two slopes, then laying starts from the end. When laying hip roof should start from the center of the hip.
• A prerequisite, when laying corrugated board with your own hands, the sheets must be laid evenly. You should not make a common mistake and lay, focusing on the end of the ramp. You need to pull the cord along the eaves of the ramp.

The corrugated board is fastened to the crate with special self-tapping screws. They are sold in different colors and have a sealing gasket that protects against water ingress. The calculation of the number of self-tapping screws can be made based on 5-7 pcs. on square meter. It is worth paying attention that the skate is screwed with screws of greater length.

When working on the roof, you simply need a screwdriver with replaceable batteries.

Installation of the end plate on the roof

After you have laid all the sheets of corrugated board on the roof yourself, you need to install wind strips to protect from the wind. The wind bar is attached to the end board and profile sheets. The fixing step with self-tapping screws is about a meter. Please note that the end board is installed above the crate.

The usual length of the end plate is two meters. If you need to increase a small length, then overlap the planks.

You need to start from the overhang of the roof and move to the ridge, where we cut off the excess.

Roof ridge installation

Pay attention to the picture:

• the sealant is laid if the corrugated sheet has a small corrugation
• in case of laying, the seal must be ventilated
• fixing step with self-tapping screws is not less than 30 cm.
• the overlap of the ridge element on the corrugated board must exceed 10 cm.