Why You Need Low Slope Roof

I have to say having a low roof slope sure makes it more comfortable to install the shingles.

Why you need low slope roof.

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. Because low slope roofs also drain water more slowly than moderate or steep sloped roofs systems such as slate or asphalt shingles that rely on mechanical drainage for successful performance are not used. It was fashionable for modern style homes built in the 1960s to have little pitch just a barely negligible slope to help drain water. 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.

In either case find a professional roofing contractor experienced with low slope roofs and these specific products. At a very low slope any water on the roof whether rain water or snow melt drains very slowly and there is a risk of lateral water movement around and through the shingle overlaps. Pro tip for low sloped roofs photo by carl tremblay while asphalt shingle is a good roofing material it s not the best choice in all situations. Visually this roof appears flat.

The challenge with very low sloped roofs is simple gravity. But other than that a higher roof slope is much better for the shingles. The degree to which wind washing degrades the performance of air permeable insulation depends on many factors. Because of their lower slope these roofs are more susceptible to water entry primarily for two reasons.

A low slope roof is one that slopes 2 in 12 to 4 in 12 of run. That way water flows from the shingles onto the flange and continuing to flow down slope it flows back on the shingles. Severe ice dams and wind driven rain. Definition of low slope roofing.

They provide a convenient location for the installation of equipment like hvac systems. If this is the case then a ventilated low slope roof is no different at least in theory from a ventilated attic. Because of this they will have different insulation needs. Most manufacturers specify at least a 4 12 roof pitch for installing them meaning for every foot the rafters extend out from the ridge beam they drop down 4 inches.

Additional underlayment protection with special application methods are required when asphalt shingles are installed on a low slope roof following the manufacturer s application instructions. Low slope roofs on commercial buildings provide many benefits.