2 5 12 Roof Pitch

Pitch is thus the ratio of the rise in inches to a 12 inch run and is often expressed using a semicolon for example 6 12.

2 5 12 roof pitch.

For pitches of 2 5 12 up to 4 12 the roof requires double underlayment. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. Sometimes pitch is also expressed in. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof.

This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Asphalt shingles continue to be the most widely installed roof covering option in north america. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

Slopes above 19 12 are not recommended since tiles on very steep roofs can rattle. 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. The combination of two numbers are used to display or show the roof pitch. 2 5 12 to 19 12 pitches clay or cement tiles can be used on a wide range of roof pitches.

A roof with a 6 rise for every 12 run has a 6 per foot or 6 in 12 pitch.