Double Coverage Roofing

Single coverage roll roofing typically has a 2 inch lap with exposed nails and is used mainly on utility structures.

Double coverage roofing.

For a flat or nearly flat roof use double coverage although a torch down modified bitumen or epdm roof is a better solution. Working with a helper expect to spend half a day installing flashings and roll roofing for a 700 square foot roof with modest complications. Rolls of roofing are 36 inches wide and weigh 90 pounds. Apply roofing cement to the roof.

Double coverage roll roofing home depot. The 17 inch exposed portion is covered with. 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. Roofing felt underlayment layers.

By gaf 4 101 02 piece. Use a trowel to scoop up the roofing cement. 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. Double layer or double coverage roofing underlayment are defined here.

This technique will also work with full width rolls if you cannot find selvage edge roll roofing in your local store. Ft sbs self adhering cap sheet roll for low slope roofing in slate. 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. Install a blue tarp on a roof.

For a slightly sloped roof use the concealed nail method shown. Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing. 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. It provides double cover age for the roof and may be used on slopes down to i inch per foot.

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. Apply the cement in stages. You can get roofing cement at the local hardware or building supplies store. 3 ft x 36 100 sq coverage white fibergl mineral.

Toughening up the roof jlc online gaf liberty 3 ft x 34 100 sq roll roofing installation asphalt asphalt sbs roll roofing installation roll roofing installation asphalt wet patch roof leak repair. Learn about the liberty sbs self adhering base ply sheet.