Mop Down Roll Roofing

Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing.

Mop down roll roofing.

Strong and resilient membrane for durability. These are unused surplus roof mop down rolls. Especially in cold climates a flat or low slope roof needs insulation to retain heat in the. The rolled roofing should reach the chalk line when you lay it down and should stretch from 1 side of the roof to the other.

Once the roof mop down is covered in a sealant the shingles are applied to a roof. This underlayment helps prevent the roof from developing condensation or. Gaf smooth app modified bitumen membrane rolled roofing in black is designed for torch down application. Place a sheet of 36 inch roll roofing directly over the 18 inch roofing that is covering the valley.

Johns manville offers a full line of commercial roofing systems including single ply tpo pvc epdm bituminous app built up sbs roof coatings and other commercial roofing components such as roof insulation fasteners and adhesives. Ruberoid mop granule membrane s polyester mat core allows it to resist splits and tears due to its pliability and elongation characteristics. Installed roof designs weigh less than 2 pounds per square foot. Hot mop roofing has a life span of 15 to 20 years making it a process that you will not soon have to repeat.

Nail it down exactly as you did the 18 inch roofing. Gaf tri ply app smooth modified bitumen 3 ft. It is called mop down because they mop the sealant on to the fabric like material. To install hot mop roofing roofers lay a synthetic base layer top it with a felt layer then.

Cold process modified bitumen roll roofing is another way to apply rolled roofing other than hot mopping or torching. Torch down roofs installation process. Next is the vapor barrier. Components of torch down roofing systems insulation.

Cut the rolled roofing to the right size using a razor knife. Again trim any roofing that extends beyond the edge of the roof. Specially formulated modified asphalt gives ruberoid mop granule lasting performance. You ll need to use plenty of pressure with the razor knife to cut the rolled roofing material.

Hot mop roofing is generally the.