When the two layers are pressed together they form a seal.
Rolled out roofing layers.
There are three systems including glue down torch down and peel and stick.
This should give you a 1 inch overhang on the eaves including the top edge of.
This roofing material consists of 2 or 3 layers with asphalt composite and a felt base.
The reason why most people go for rolled roofing over shingles when it comes to low plane roofs is primarily the cost.
Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing.
Nail only its top edge the part that is bare of mineral coating.
Then set the first course in the cement so it overhangs by about 1 4 inch.
Position and roll out the roofing carefully because it is not easy to reposition then press it into the cement.
In a two layer torch down roof the system is complete at this point.
Roll out and cut roll roofing to cover the length of the roof.
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.
Roll roofing is made from the same asphalt composition material as shingles and it s easier to install.
If not a third layer with granules is applied in the same way.