Rool Roofing Pitch

The function of the roof in weather and the environment determines the minimum pitch for a roof.

Rool roofing pitch.

Asphalt roll roofing or membrane is a roofing material commonly used for buildings that feature a low sloped roof pitch in north america. 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. This quick and easy roofing solution consists of felt backing that is impregnated with asphalt and coated with minerals. Installation tips and guides.

The roof pitch is necessary for two things one estimating the amount of material to be ordered for the job and two knowing what materials are suited for the roof. Otherwise the safest minimum pitch for rolled roofing is 2 inches of decline per 12 inches of horizontal direction 2 12 pitch. Slate and slate type shingles require a minimum roof pitch of 4 12 or greater. Wood shakes require a minimum roof pitch of 3 12 or greater.

A typical roof has three layers a felt layer and two layers of overlapping shingles. It has just one layer so it goes. Roll roofing is different. Wood shingles require a minimum roof pitch of 3 12 or greater.

That is if your roof is 12 units wide it should not be taller than 2 units for rolled roofing. Modern technologies have significantly improve the performance of bitumen roll materials to extend their service life of up to 15 25 years and made them more universal. An organic felt or fiberglass mat saturated with asphalt and faced with granular stone aggregate. The installation process known as torch on roofing is often used on commercial.

The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems. The material is based on the same materials used in asphalt shingles. Many factors determine which roofing materials you can use and one make or break factor is the slope of the roof known as roof pitch. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.

Built up roofs require a minimum roof pitch of 1 4 12 or greater. How to install roll roofing on low slope roofs. How to install roll roofing on a flat or pitched roof with your own hands. Rolled roofing is not recommended for roofs that have a greater than a 2 to 12 pitch.