2 In 12 Roof Pitch Angle

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.

2 in 12 roof pitch angle.

These roofs have a pitch less than 4 12. 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. A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance. This means if a roof rises 4 in the length of 12 your roof pitch would be 4 12 or 18 43 degrees.

Flat roofs which aren t perfectly flat require a small slope to allow for water runoff. Simply put it s a shallow roof. 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.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Generally such roofs have a pitch ranging from 1 2 12 to 2 12.