Seam roofing consists of galvanized and rolled steel, or non-ferrous metals and steel with a special polymer coating. It got its name because of the joining of its sheets by the folded method, that is, fastening to each other is carried out without nails, screws and other devices. The result is a perfect and airtight roof covering. For transportation and transportation of sheets, freight transport is used.
When unloading, all sheets must be transferred one at a time and in a strictly vertical position.
To raise them to the roof, a ladder, a stepladder, or beams and boards are used, which are placed between the ground and the roof.
The minimum allowable slope of slopes for roofing is 7 °, but the optimal one is considered to be 14 °. A strictly defined pitch of the crate is also installed, it is equal to 40 centimeters, but no more. Metal cutting is carried out on the ground using metal shears. Seam roofing can be produced on a continuous and sparse crate.
For installation you will need: a hammer, roof frames, mallet, metal scissors, pliers and roof bars.
Consider the step-by-step installation and installation of standing seam roofing.
Installing and installing a folded roof the roof begins with eaves. They are attached with special roofing screws with a certain pitch (40 cm). After that, you need to spread soundproofing tape under each sheet.
In this case, the edge of the tape from below and from above should be at the second level of the crate.
It is possible to start assembly and installation from any edge of the roof. Although the manufacturers of some sheets provided for their fastening only from the right to the left. The first sheet should be laid 10 cm above the eaves. If some sheets have a bottom fold, then they will rest against the cornice.
The edges of the sheets can be folded even after installation. The sheet must be installed as accurately and evenly as possible vertically and horizontally. Next, proceed with fixing it. There must be a right angle between the sheet and the cornice. You can easily identify it with a large square.
Correctly laid first sheet is the key to successful installation and following sheets.
There are two main types of sheet fastening: using special clamps and self-tapping screws. When buying sheets, some of them, depending on the manufacturer, have holes into which self-tapping screws can be screwed. They are overlapped by the following sheets, the edges of which are folded. But, if there are no holes, you can use a seam roof clamp.
Such locks are different.
With the help of clamps, the sheet will be attached as follows: initially, the clamping clamps are fastened with nails to the rafter leg on the pediment, then the opposite ends of the clamps must be bent so that they securely and firmly hold the sheet.After that, clamps are also used for fastening on the opposite side of the sheet, only of a small size. The step between all fasteners is 60 cm.
The second sheet must be mounted so that its longitudinal edge lies flat over the edge of the original sheet.
The ends of the second sheet are fixed in the same way as the first - with special clamps. In this way, you need to install all the metal sheets on top of each other. Next, using the construction tongs (frame for closing the rebate) for single and double rebates, pull all the joints together. Docking must be done up to the eaves. The edges of the sheet that extend beyond the cornice are not connected with a double locking connection, since in the future they will be bent under the cornice.
Follow the same principle to dock all the rest.
Edges of all sheets above the eaves it is necessary to bend it under the eaves for a more accurate tightness. For this purpose, use the seam roofing tool: tongs and metal scissors. Using scissors, cut the edges of the sheets above the cornice opposite their joint seam, and bend them with your hands under the cornice strip. Using tongs, squeeze the sheets at the center of the fold.
Thus, you create a sealed connection through which air, various insects and birds will not penetrate into the attic. The remaining edge of the sheets along the edge of the roof is cut off.
For the design and installation of valleys, a special profile is used ...
You can buy it in advance or prepare a sheet of metal of a certain width. The sheet is installed in place of joints and is firmly fixed with self-tapping screws. After that, at the end of the sheet, lines are drawn that run parallel to the cornices, but at a distance of 5 cm from them. A cut is made along such lines, and the ends of the valley sheet are folded under the eaves strip. In the same way, two parallel lines are drawn along the sheet from top to bottom at a distance of 20 cm from each other.
Further along these lines, the sheets for the roofing will be cut.
To accurately and correctly determine the cutting angle of sheets, use a triangular template. Cut sheets are installed up to the ridge and fastened with self-tapping screws. This is how the roof is installed on both sides of the valley. If you want to avoid fastening the sheets with self-tapping screws, use a pre-prepared sheet of the valley with curved cuts on both sides, and then make the same lock connection as on the roof of the frame house.
Special ridge pads are used for installation of the skate. Their edges are already folded. With their edges, they are attached to the sheets, after which the already familiar lock connection is made on both sides. At the same time, the ridge can be made ventilated or non-ventilated.Our advice - make a choice in favor of ventilation, as in this case you will avoid additional work on the subsequent installation of roof aerators.
There are a lot of options for seam roofing and its installation. Which one you will use - you will find out after the purchase. Today, there are many covers with automatic locks on sale. This greatly simplifies the entire assembly and installation process. If standing seam joints do not suit you, you can always make them recumbent, for this simply bend them to the surface.
Correct and high-quality installation of metal tiles will give your roof a beautiful appearance and help you avoid various negative elements in the future.
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