4 layers if the roof is flat and the slope is 0 5.
How to install roll roofing on low slope roofs.
A typical roof has three layers a felt layer and two layers of overlapping shingles.
Roll roofing is inexpensive and easy to apply although it must be replaced sooner than most other roofing materials and usually has a class c fire rating a is the most fire resistant.
To apply rolled roofing you ll need your roof measurements a broom chalk to mark lines a razor blade to cut the material roofing cement nails and a hammer to hold down the material.
It is particularly suitable where cost is more important than appearance or for low slope roofing that you want to install yourself.
It has just one layer so it goes.
Roll roofing is different.
Though it doesn t have the life expectancy of traditional roofing shingles roll roofing is a budget friendly option that s acceptable for many low slope roofs.
Http amzn to 166s7k0 low slope roofing installation guide by roof repair 101 full installation guide f.
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You can t use the rolled roofing materials if the roof slope is more than 25.
Visit your local hardware store and ask for enough rolled roofing to fit the area of your roof.
3 layers if the roof slope is 5 15.
Technology of laying the roll roofing on a flat roof.