Steep Slope Roofing Details

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Steep slope roofing details.

You can order the foam in different slopes. Steep slope roofs behave differently from low slope roofs. By downloading and using any arcat cad detail content you agree to the following license agreement. 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.

Concrete clay roof tiles. Asphalt roofing is the most affordable with asphalt shingle prices ranging from 70 to 160 per square feet. Ceilings product comparison tool. 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.

In our example we are using tile roofing with a weight greater than 5 lb sq. What type of roof is best for hurricanes. Steep slope roofing details chapter 4b steep slope roofing details spec manual b u r modified shingle roofing systems. That is your cool roof specification for your roofing product.

Roofs with multiple slopes ideally inclined at 30 degrees are the best to stand against extreme wind pressure. 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. Cedar shakes shingles. Steep slope roofing usually refers to roofing materials suitable for roofs that have slopes of 3 12 or greater.

Roofing association manuals as well as the code book specify a minimum slope of 1 4 inch per foot for low slope roofing. This guide is on steep slope roofs any roof over a 4 12 pitch. The goal of this presentation are to define the best roofing details provide solutions to common roofing problems give insights into which roof designs to embrace and which to avoid and to take a look at roofing materials from a 30 000 ft. 2 12 4 12 conventional slope roof.

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. This means for every 12 horizontal inches the roof s rise is three vertical inches or greater. 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. One cool trick is to use a slope kit consisting of sheets of foam that are tapered to provide the necessary slope.

4 19 steep spe r deta 4b 1 4 slope layout no ice dam protection 2 4 overlap depending on product full width sheets roof deck. Gaf residential roofing products cad steep slope roofing.