Before buying corrugated board, you should make the correct calculation of the required amount of material. The length of the sheets will be equal to the sum of the ribs of the slope and 30-40 cm. cornice. The number of sheets is equal to dividing the width of the roof into the width of the profile. Roof tilt should be from 80 degrees.
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When the material is purchased, you can get for work. First of all, it is necessary to attach steam or waterproofing to the rafters. If the angle of inclination of the roof is large, then vapor barrier is used, small – waterproofing. Start fastening sheets from the end of the roof, strictly perpendicular to the skate. Each sheet is overlapped at least 50 mm, and the longitudinal overlap at least 20 cm.
At the overlap point, the seal is laid, and in the lower corrugation the profile sheets are fastened with the help of self -tapping screws. Self -tapping screws should be equipped with perences and seals. To the upper corrugation, corrugated board is attached using nails. When all sheets are installed, corrugated board should be insulated from the inside. Before this procedure, sheets of insulation are left for a day in open packaging. The thickness of the insulation material should be about 150 mm.
Corrugated board light material and installation will not take much time and effort. But you will get a very beautiful roof that will last you for many years.