Low slope metal roofs require less material which reduces the overall load on the building s structure.
Resiential low roof solution.
For the smaller residential low slope roofing applications such as garage and porch transitions certainteed offers an excellent solution in our flintlastic sa self adhering sbs modified bitumen roofing system.
Commercial roofing guide to low slope systems.
They can be used alone or in combination with roof fast base sheets.
Minimum slope for low slope roof systems with any roofing material a slope of at least 1 4 inch per foot is recommended to promote drainage and minimize ponding.
Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12.
For a low slope residential roof there are two main options.
Low slope metal roofs have simple geometries and are easier and less expensive to install that medium to steep slope roofs.
Where deflection from snow or other live loads is a concern a greater slope will be needed to prevent any ponding.
These self adhesive sheets have a special release film on the back for easy installation.
Iko roof fast cap sheets are ideal for any new or re roofing low slope residential project.
1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products.