Minimum Pitch For Asphalt Roll Roofing

Minimum required slope x in 12 minimum required slope degrees asphalt shingles.

Minimum pitch for asphalt roll roofing.

The paper is not uv resistant either. Roll roofing roll roofing is a continuous roll of material with asphalt and mineral granules covering the entire surface. The 2 12 number is rise over run or two units of vertical for every 12 units horizontal. Asphalt shingles continue to be the most widely installed roof covering option in north america.

Otherwise the safest minimum pitch for rolled roofing is 2 inches of decline per 12 inches of horizontal direction 2 12 pitch. What is the minimum pitch slope of an asphalt shingle roof. Roofing material or system. The minimum pitch for a.

Asphalt shingles require a minimum roof pitch of 2 12 or greater. Shingles of all types need to have a slope to function properly. That works out to about nine degrees if that works better for you. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

Active 3 years 2 months ago. The roof pitch between 2 12 and 4 12 is considered as a low pitch roof so shingles can be installed in the roof slope between 2 12 and 4 12. Minimum slope for rolled asphalt roof. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.

Ask question asked 3 years 2 months ago. Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. This roof type requires a minimum pitch between 2 12 and 3 12. Why is 2 12 the minimum.

Roll roofing is easy to install and ideal for low slope roofing where shingles are not recommended. Sealing at the joints and eave will stop wind blown rain but standing water will saturate the paper and it will leak. According to this code the minimum slope for asphalt shingles is 17 degrees or two vertical units to twelve units in the horizontal. Minimum slope for asphalt shingles the requirements for an asphalt shingles roof are contained in the international building code.

Metal roof shingles require a minimum roof pitch of 3 12 or greater. 18 43 asphalt shingles with special underlayment requirements 2 in 12. Asphalt rolled roofing is not waterproof. 9 46 built up roof asphalt.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. The minimum slope for an asphalt shingle roof is 2 12. In 12 0 25 in 12 1 19 built up roof coal tar pitch. What is the minimum slope for an asphalt shingle roof.

Determine the minimum slope of the roof based on the roofing material. The minimum requirement is 2 12. Considering the roof slope requirement is important.