Double Coverage Roofing

By gaf 4 101 02 piece.

Double coverage roofing.

Learn about the liberty sbs self adhering base ply sheet. 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. Roofing felt underlayment layers. 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. Install a blue tarp on a roof. Working with a helper expect to spend half a day installing flashings and roll roofing for a 700 square foot roof with modest complications. You can get roofing cement at the local hardware or building supplies store.

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. 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. For a flat or nearly flat roof use double coverage although a torch down modified bitumen or epdm roof is a better solution. Apply the cement in stages.

3 ft x 36 100 sq coverage white fibergl mineral. Ft sbs self adhering cap sheet roll for low slope roofing in shakewood. Use a trowel to scoop up the roofing cement. Ft sbs self adhering cap sheet roll for low slope roofing in slate.

This technique will also work with full width rolls if you cannot find selvage edge roll roofing in your local store. Double coverage roll roofing home depot. 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. 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.

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. Double layer or double coverage roofing underlayment are defined here. Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing. Single coverage roll roofing typically has a 2 inch lap with exposed nails and is used mainly on utility structures.

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. The 17 inch exposed portion is covered with.