2 5 12 Roof Pitch

2 5 12 to 19 12 pitches clay or cement tiles can be used on a wide range of roof pitches.

2 5 12 roof pitch.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. On blue prints architects engineers usually display the pitch of a roof in the format shown on the image where number 4 represents a rise and number 12 represents a length. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. For pitches of 2 5 12 up to 4 12 the roof requires double underlayment.

Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. A roof with a 6 rise for every 12 run has a 6 per foot or 6 in 12 pitch. Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them. 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.

Sometimes pitch is also expressed in. Asphalt shingles continue to be the most widely installed roof covering option in north america. The combination of two numbers are used to display or show the roof pitch. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot.

Slopes above 19 12 are not recommended since tiles on very steep roofs can rattle.