2 12 Pitch Roofing Materials

Or the colon can replace the slash as in 2 12 or 7 12.

2 12 pitch roofing materials.

Pitch is the term used to describe the angle slope or slant of your roof. Roof pitch area multipliers. A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely makes the cut off for one of the most popular roofing material options. Roof pitch designations are comprised of two numbers indicating a ratio.

Roof pitch defined and explained. I ve been reading and reading but haven t found a good answer. A flat roof has a slope of 2 in 12 or less. 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.

Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. The pitch of the roof is the rise over a 12 inch run. How roof pitch determines suitable roofing systems. What is the best value price compared to life compared to ease of installation material to go on top of shingle on a 2 12 pitched roof that is also comparatively easy for a handy man homeowner to install considering in order of importance price vs expected life time vs ease of installation.

Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area. There are two main categories of roofing. Anything more than 9 in 12 is considered steep. A low slope roof is anywhere from 2 in 12 to 4 in 12.

Outside of the u s a degree angle is typically used. Metal roof shingles require a minimum roof pitch of 3 12 or greater. Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used. For that reason flat roofs are limited to these types of covering materials.

100 1 054 105 4ft 2. Flat and nearly flat roofs a pitch of 1 in 12 or 2 in 12 cannot be covered with shingles or shakes of any material since there is not enough angle to combat the danger of blow off. Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them. It affects walkability as well as drainage and roofs in areas of high rain.

For example a 4 12 pitch roof that is 100 square feet. The run always remains constant at 12 inches. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Otherwise the safest minimum pitch for rolled roofing is 2 inches of decline.

Slate and slate type shingles require a minimum roof pitch of 4 12 or greater. Use our roof pitch calculator to find the pitch of your roof. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater. Conventional slope roof range between 4 in 12 and 8 in 12.