Low Slope Roof Framing Details

Wide width roof areas that simply must be lower slope to limit the overall height of the roof building as a practical matter he says.

Low slope roof framing details.

Problems at these points typically arise from improper application methods and the use of inappropriate or incompatible materials. Many times the low slope is dictated by the building geometry. 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. Low slope metal roofs provide years of low cost low maintenance performance.

Flat roof has a slope of 2 12 or less it is usually. Resso concurs that low slope metal roofing differs from steep slope roofing in that resistance to water infiltration through panel seams is an even more crucial aspect of the system design. 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. 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.

Roof penetrations should be kept to a minimum and should be located within the flat of the panel where possible as opposed to near seams. 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. Designers and specifiers should pay close attention to roofing details in these areas and. Flat low slope and steep slope a gambrel is a combination of a low and steep slope.

These critical junctures account for the majority of roof leaks. 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. There are 3 main types of roofs. In either case find a professional roofing contractor experienced with low slope roofs and these specific products.

Types of the roof by slope. The most critical application points on low slope roof systems are at flashings penetrations and accessories.