2 In 12 Roof Pitch Angle

Simply put it s a shallow roof.

2 in 12 roof pitch angle.

Asphalt shingles continue to be the most widely installed roof covering option in north america. 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. What is a 2 12 roof pitch if a roof rises 2 in a length of 12 this is 2 12 roof pitch. Generally such roofs have a pitch ranging from 1 2 12 to 2 12.

This means if a roof rises 4 in the length of 12 your roof pitch would be 4 12 or 18 43 degrees. That means the roof doesn t shed water as easily as steeper roofs which is why choosing the right type of roofing material is so important. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

Flat roofs which aren t perfectly flat require a small slope to allow for water runoff. These roofs have a pitch less than 4 12.