1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products.
Low pitch roofing sheets.
In combination with iko roof fast cap sheets it provides waterproofing properties and durability for low slope roofs.
The minimum pitch is typically 3 12 meaning the roof should rise 3 inches for every 12 inches of horizontal foot.
Low slope metal roofing materials include perimeter edge flashing soffit panels drainage and es 1 rated edge systems from sheet metal supply.
Learn about the liberty sbs self adhering base ply sheet.
The standard of lower pitch actually ranges between 1 12 to 5 12.
Starting at the bottom turn down the sheet mark it and trim the dog s ear off.
Liberty sbs self adhering roofing system will provide long lasting protection for the low slope areas of your property without the danger or hassles associated with the installation of other conventional roofing products.
Then apply standard asphalt shingles over the membrane.
Finishing at the top turn up the sheet.
Anything above that will require you to put out higher cost because they are already considered as higher pitch.
When working on a low pitch roof you ll want to get the most mechanical turn up possible.