Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer.
How to lay asphalt roll roofing.
It also helps if you first install a layer of roofing felt.
If you install roll roofing using the double coverage method it will last longer.
A typical roof has three layers a felt layer and two layers of overlapping shingles.
For extra durability you may install roll roofing in two layers.
Install drip edge and install 9 cant strips of roll roofing material along the rake and eaves edges gable ends and lower roof edge such that the roofing strip overhangs the roof deck by 1 4 to 3 8.
There are three systems including glue down torch down and peel and stick.
The rolled roofing should reach the chalk line when you lay it down and should stretch from 1 side of the roof to the other.
Roll roofing is made from the same asphalt composition material as shingles and it s easier to install.
Applying roofing felt first will better protect the sheathing against condensation as well as against leaking.
How to lay asphalt roll roofing written by doityourself staff.
The strips should always be horizontal.
You ll need to use plenty of pressure with the razor knife to cut the rolled roofing material.
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How to install roll roofing on low slope roofs.
Prepare roof edges cant strips.
Roll roofing is different.
It has just one layer so it goes.