Low Slope Roof Details

Low slope metal roofs provide years of low cost low maintenance performance.

Low slope roof details.

Low slope metal roofs have been a preferred roof covering for commercial institutional and industrial buildings for years because of their ability to protect against the elements to allow water to drain away from the roof surface and to keep building contents and occupants dry and comfortable. No endlaps a good idea because of the low slope. As in all construction work paying attention to the little details can make all the difference between a long lasting trouble free project and one that results in callbacks and early failure never a good option with a new england roof. Problems at these points typically arise from improper application methods and the use of inappropriate or incompatible materials.

However the slope is below this industry s manufacturer s 1 4 to 12 recomendation. By low slope roofing we mean any roof that is pitched at less than 4 inches of rise in 12 inches of run or 4 12 pitch. I don t know how large your roof area is but at an 1 8 to 12 slope you will have water ponding on it. The most critical application points on low slope roof systems are at flashings penetrations and accessories.

Use of copper due to the location is a good idea. These critical junctures account for the majority of roof leaks. There are over 150 variations of details available from carlisle syntec for epdm roofing systems. Resilient synthetic rubber membrane widely used on low slope roofing projects for over 50 years in the united states and worldwide.

Regular asphalt shingles and standard skylights will work at pitches of 4 12 or greater but at lower pitches you have to use different materials. Installation is important when it comes to putting a single ply roofing system on a building. Eric sounds like a well thought out roof system. Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12.

In either case find a professional roofing contractor experienced with low slope roofs and these specific products. Generic valley treatment details for metal panel roofs for low slope with and without substrates are included in the mbma metal roofing systems design manual chapter 12 metal roof details. Low slope metal roofs have simple geometries and are easier and less expensive to install that medium to steep slope roofs.