2 12 Slope Roof

A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance.

2 12 slope roof.

For roofs that will experience heavy snow or wind and will span the same distance use 2 6 rafters. Using a tape measure make a pencil mark 12 inches from the end of a carpenter s level. A pitch over 9 12 is considered a steep slope roof between 2 12 and 4 12 is considered a low slope roof and less than 2 12 is considered a flat roof. Asphalt shingles continue to be the most widely installed roof covering option in north america.

Thus pitch is typically greater in areas of high rain or snowfall. The exact roof slope in degrees is given by the arctangent. You can use either 2 6 or 2 4 rafters for roofs with a 3 12 pitch or greater but it depends on the overall size of your shed. The table below shows common roof pitches and the equivalent grade degrees and radians for each.

Low pitched roofs have the pitch below 4 12 33 3. Most roof s have a pitch in the 4 12 to 9 12 range. In degrees 10 2 in 12 or 1 in 6 is considered a minimum. To obtain an accurate roof pitch measurement properly measure the rise and run.

This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. 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. Definitions vary on when a roof is considered pitched. They are the easiest ones to construct and.

I ve been reading and reading but haven t found a good answer. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Arctan 3 12 14 0 the primary purpose of pitching a roof is to redirect water and snow. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

Conventional roofs have the pitch ranging from 4 12 to 9 12 33 3 to 75. Then you ll be able to measure slope from an unfinished attic space under the roof. Simply put it s a shallow roof. For roofs that won t experience heavy snow loads a gable roof can span up to 22 with 2 4 rafters.

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.