The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.
2 12 roof pitch options.
There are some standing seam metal roofing options available from atas and other manufacturers that can be installed on a roof with pitch of 1 12.
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I ve been reading and reading but haven t found a good answer.
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Or the colon can replace the slash as in 2 12 or 7 12.
The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7.
Roof pitch defined and explained.
Roof pitch designations are comprised of two numbers indicating a ratio.
You could also opt for a pvc flat roofing membrane.
Pitch is the term used to describe the angle slope or slant of your roof.
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.
What is the best value price compared to life compared to ease of installation material to go on top of shingle on a 2 12 pitched roof that is also comparatively easy for a handy man homeowner to install considering in order of importance price vs expected life time vs ease of installation.
A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely makes the cut off for one of the most popular roofing material options.