In a two layer torch down roof the system is complete at this point.
Rolled out roofing layers.
Some rolls are self adhesive some are nailed down on the roof and some require heat welding during the installation.
Place the top edge of the roofing along the chalk line.
This roofing material consists of 2 or 3 layers with asphalt composite and a felt base.
Use a trowel to spread roofing cement over half or more of the strips.
There are three systems including glue down torch down and peel and stick.
Roll roofing is made from the same asphalt composition material as shingles and it s easier to install.
Then set the first course in the cement so it overhangs by about 1 4 inch.
The reason why most people go for rolled roofing over shingles when it comes to low plane roofs is primarily the cost.
When the two layers are pressed together they form a seal.
If not a third layer with granules is applied in the same way.
Roll out and cut roll roofing to cover the length of the roof.
Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing.
As it is rolled out the roofing professional will use a torch to heat the bottom of the cap to the top of the base sheet.