Asphalt roofing cement should meet astm d 4586 type ii.
Slope roof shingles.
What are gaf asphalt shingles.
The roof shingle calculator is a free estimator that serves a useful purpose during any roof repair or replacement project.
It is often compared to slope but is not exactly the same.
Apply 1 spots of asphalt roofing cement under each corner and at about 12 to 13 in from each edge.
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Metal roof shingles can only be installed on roof slopes of 3 12 or greater 25 slope.
Steep slope use six nails and four spots of asphalt roofing cement for every full shingle for every full shingle as shown below.
If you have a low slope roof but would love to have a shingled look rather than other solutions like rolled sheet roofing you are in luck.
Larger flat roofed applications low slope such as residential condominium complexes row homes and town houses and smaller applications such as residential porch and garage transitions from the main home where the slope of the roof changes dramatically from steep slope to low slope on the same structure.
Your one stop guide to gaf roofing products explore the full spectrum of gaf colors and styles of shingles.
Roof pitch roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.
Residential low slope roofing can generally be divided up into two broad categories.
Once you enter the basic roof dimensions and enter the type of roof you will get a very accurate result telling you exactly the amount of shingles that are required to cover your new roof.
What is the minimum slope for an asphalt shingle roof the short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.
This means for every 12 horizontal units the roof must rise a minimum of 3 vertical units.
Gaf asphalt shingles combined with the proper underlayment make ideal low slope roof shingles that do an excellent job of preventing water build up and leaking.
In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.
Browse owens corning roofing shingles by color shingle lines price features wind resistance and or warranty to find the right roof for your home.
More families have found shelter and peace of mind under a timberline roof than any other brand.
In the roofing trade the go to term is pitch and it is expressed in terms of 12 inches so the pitch of a roof is determined by how many inches the slope rises for every 12 inches it runs horizontally.
