Asphalt Roll Roofing Minimum Slope

This number corresponds to the number of inches of rise in a 12 foot run.

Asphalt roll roofing minimum slope.

Asphalt shingles require a minimum roof pitch of 2 12 or greater. Minimum required roof slope for roofing materials. Ft sbs self adhering cap sheet roll for low slope roofing in hickory. Active 3 years 2 months ago.

Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater. Minimum slope for rolled asphalt roof. Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing. 9 46 built up roof asphalt.

2 1 2 12 minimum roof slope for clay and concrete tile. There are differing opinions as to the minimum slope for a roof but the generally accepted minimum is 3 12. Ft sbs self adhering cap sheet roll for low slope roofing in shakewood. 2 12 minimum roof slope for asphalt shingles photovoltaic pv shingles and building integrated pv.

Viewed 1k times 1. Ask question asked 3 years 2 months ago. Otherwise the safest minimum pitch for rolled roofing is 2 inches of decline per 12 inches of horizontal direction 2 12 pitch. In 12 0 25 in 12 1 19 built up roof coal tar pitch.

By gaf 17 96 79 piece. 3 12 minimum roof slope for metal roof panels with nonsoldered seams. Asphalt shingles continue to be the most widely installed roof covering option in north america. Low slope means that these products are installed on roof slopes of 2 12 or more.

Asphalt roll roofing installation. Metal roof shingles require a minimum roof pitch of 3 12 or greater. For steep slope roof systems ibc 2018 provides for a 1 12 minimum roof slope for mineral surfaced roof roll roofing. Minimum required slope x in 12 minimum required slope degrees asphalt shingles.

Roofing material or system. This is an inexpensive roofing material often installed over 15 felt underlayment by homeowners and do it yourself ers. 18 43 asphalt shingles with special underlayment requirements 2 in 12. I ve stripped the rotten plywood off and have new osb to install.

If your roof pitch declines up to 1 inch vertically for every 12 inches horizontally 1 12 pitch it is a good candidate for rolled roofing as long as you use the concealed nail method of fastening. Some people recommend not installing asphalt shingles on slopes below 5 12 but a skilled roofer may well be able to make this work. Have a overhang leantoo built off the garage that was never completed and covered with a tarp. Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. The slope is 5 in a 12 run.