As the leading roofing materials company in north america we re proud to help habitat for humanity put roofs over the heads of families in need of decent affordable housing.
Minimum slope for shingle roof gaf.
Degrees to pitch rise in run table.
That works out to about nine degrees if that works better for you.
Asphalt shingles minimum roof slope roof pitch r905 2 2.
What is the minimum pitch slope of an asphalt shingle roof.
At gaf we support habitat s philosophy of helping to provide a hand up not a handout to people and families founded in 1976 habitat has more than 1 500 local.
The appearance of some shingles particularly laminated shingles will be different on low slopes.
The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.
Asphalt shingles continue to be the most widely installed roof covering option in north america.
Asphalt shingles can only be installed on roof slopes of 2 12 or greater.
No homeowner or building owner looks forward to it installing a new roof.
Roof slope equivalents as rise.
This means for every 12 horizontal units the roof must rise a minimum of 2 vertical units.
As printed on the insideof the shingle bundle wrappers.
Shingles of all types need to have a slope to function properly.
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.
But whether you are in your forever home or location or you plan to sell soon you need to choose quality materials and the right roofing contractors in lincoln ne to install your new roof right.
If you have a low slope roof this is especially important.
Low slope roofs with gaf asphalt shingles.
Tpo s long term heat uv and natural fungal resistance plus flexibility without need for plasticizers also make tpo a reliable low slope roofing system.
Roof pitch multiplier table.
Learn about the liberty sbs self adhering base ply sheet.
Get automatic lifetime protection on your entire gaf roofing system when you install any gaf lifetime shingle and at least 3 qualifying gaf accessories you ll automatically get a lifetime limited warranty on your shingles and all qualifying gaf accessories.
The 2 12 number is rise over run or two units of vertical for every 12 units horizontal.
Run in degrees and as percentage the minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems.
Complete list of roofing types.
Heat welded seams provide superior strength.
They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.
The minimum requirement is 2 12.