Steep Slope Roofing Details

Roofs with multiple slopes ideally inclined at 30 degrees are the best to stand against extreme wind pressure.

Steep slope roofing details.

Arcat free architectural cad drawings blocks and details for download in dwg and pdf formats for use with autocad and other 2d and 3d design software. Concrete clay roof tiles. However in general terms low slope roofs commercial roofs are those below 2 12 or 3 12 while steep slope roofing would consists of roof pitches above either 2 12 or 3 12 and higher. What type of roof is best for hurricanes.

By downloading and using any arcat cad detail content you agree to the following license agreement. Steep slope roofing usually refers to roofing materials suitable for roofs that have slopes of 3 12 or greater. In our example we are using tile roofing with a weight greater than 5 lb sq. Steep slope roofs behave differently from low slope roofs.

Gaf residential roofing products cad steep slope roofing. Ceilings product comparison tool. Steep slope roofing details chapter 4b steep slope roofing details spec manual b u r modified shingle roofing systems. This means for every 12 horizontal inches the roof s rise is three vertical inches or greater.

9 12 20 12 steep slope. On a steep slope roof greater than 2 12 and for climate zone 8 the cool roof requirements are an aged solar reflectance of 0 15 and a thermal emittance of 0 75. Materials suitable for steep slope roofs include asphalt roll roofing as well as asphalt shingles concrete and clay tiles wood shakes slate and metal roofs. This guide is on steep slope roofs any roof over a 4 12 pitch.

2 12 4 12 conventional slope roof. Asphalt roofing is the most affordable with asphalt shingle prices ranging from 70 to 160 per square feet. Cedar shakes shingles. One cool trick is to use a slope kit consisting of sheets of foam that are tapered to provide the necessary slope.

130 www malarkeyroofing com 800 545 1191 rev. That is your cool roof specification for your roofing product. Insulation itools quick and easy online tools and calculators that can help you determine your insulation needs as well as how much you could save. Roofing association manuals as well as the code book specify a minimum slope of 1 4 inch per foot for low slope roofing.

Hence the 4 sloped hip roof is safer than a gable roof with just two slopes. A comprehensive roofing specification writing tool allowing users to quickly write accurate steep and low slope roofing specifications for job submittal packages.