Rool Roofing Pitch

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.

Rool roofing pitch.

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. Built up roofs require a minimum roof pitch of 1 4 12 or greater. Roll roofing is different. The minimum pitch for roll roofing is 2 12 or 2 inches rise to 12 inches run.

An organic felt or fiberglass mat saturated with asphalt and faced with granular stone aggregate. How to install roll roofing on a flat or pitched roof with your own hands. A typical roof has three layers a felt layer and two layers of overlapping shingles. Installation tips and guides.

Slate and slate type shingles require a minimum roof pitch of 4 12 or greater. The installation process known as torch on roofing is often used on commercial. It has just one layer so it goes. Otherwise the safest minimum pitch for rolled roofing is 2 inches of decline per 12 inches of horizontal direction 2 12 pitch.

Wood shakes require a minimum roof pitch of 3 12 or greater. 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. That is if your roof is 12 units wide it should not be taller than 2 units for rolled roofing. How to install roll roofing on low slope roofs.

Asphalt roll roofing or membrane is a roofing material commonly used for buildings that feature a low sloped roof pitch in north america. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater. 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. This quick and easy roofing solution consists of felt backing that is impregnated with asphalt and coated with minerals.

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. The function of the roof in weather and the environment determines the minimum pitch for a roof. Wood shingles require a minimum roof pitch of 3 12 or greater.