All you need to do is multiply the factors below by your calculated total area (in. Subtract the overlap value from the length and width of the sheet. If sheets laid side by side, for example adjacent sheets overlap by 6 inches, subtract u 6 in. from the width. The result is the effective width of the slab, which is the distance from the roof that the slab will actually cover. https://www.offerte-dakwerken.be
Now we calculate the area of the roof to be covered by the roof sheet. Width side of the roof plate. Corrugated or Greca roofing requires a minus 5 degree drop from the top of the structure to the gutter (this turns out to be 88mm per meter of drop). Determine the required overlap so that each roof sheet can rest on the adjacent sheet to avoid gaps in the roof.
All you need to know is your home’s dimensions and roof pitch, and this roof cost calculator will do the rest for you. A combined roof has a design that uses multiple roofs on the same structure for aesthetic and practical reasons. Bituminous roofing sheets are one of the cheapest roofing solutions on the market and the cheapest roofing sheet for roof pipes. With the roof calculator you can determine the surface of the gable or shed roof of your house and estimate the costs accurately.
It’s time, so start tackling that roofing job you’ve been putting off, and now you want to figure out how many roofing sheets you need. Roofing sheets are usually supported by wooden or steel elements known as ‘purlins’. It is recommended that the purlin size and spacing meet the specifications of the roofing sheets you are installing.