Double Coverage Roofing

Double coverage roll roofing home depot.

Double coverage roofing.

We explain when double coverage of felt underlayment is recommended and we describe how to figure out if your roofer installed a single layer or double coverage layer or maybe no layer of felt under the roof shingles. Selvage edge roofing is installed the same way as full width roll roofing except that each course overlaps the previous course 19 inches instead of 4. Apply roofing cement to the roof. The 17 inch exposed portion is covered with.

By gaf 4 101 02 piece. Ft sbs self adhering cap sheet roll for low slope roofing in shakewood. Ft sbs self adhering cap sheet roll for low slope roofing in slate. Click to enlarge any image overlapping plies of roll roofing can be applied to provide double triple or even a 4 ply roof for longer life as we ll detail below.

Use a trowel to scoop up the roofing cement. Rolls of roofing are 36 inches wide and weigh 90 pounds. Liberty sbs self adhering roofing system will provide long lasting protection for the low slope areas of your property without the danger or hassles associated with the installation of other conventional roofing products. Learn about the liberty sbs self adhering base ply sheet.

Applying double coverage roll roofing double coverage roll roofing is a 36 inch wide sheet of which 17 inches are intended for exposure and 19 inches for a selvage edge. For a flat or nearly flat roof use double coverage although a torch down modified bitumen or epdm roof is a better solution. 3 ft x 36 100 sq coverage white fibergl mineral. Install a blue tarp on a roof.

Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing. By gaf 6 101 02 roll. This technique will also work with full width rolls if you cannot find selvage edge roll roofing in your local store. Apply the cement in stages.

Double layer or double coverage roofing underlayment are defined here. Single coverage roll roofing typically has a 2 inch lap with exposed nails and is used mainly on utility structures. You can get roofing cement at the local hardware or building supplies store. It provides double cover age for the roof and may be used on slopes down to i inch per foot.

For a slightly sloped roof use the concealed nail method shown. Spread the roofing cement along the edges of your roof so it s about 1 8 1 4 inch 3 2 6 4 mm thick.