Shingle Roof Slope

The roof shingle calculator is a free estimator that serves a useful purpose during any roof repair or replacement project.

Shingle roof slope.

The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems. Metal roof shingles can only be installed on roof slopes of 3 12 or greater 25 slope. This means for every 12 horizontal units the roof must rise a minimum of 3 vertical units. Once you enter the basic roof dimensions and enter the type of roof you will get a very accurate result telling you exactly the amount of shingles that are required to cover your new roof.

Asphalt shingles continue to be the most widely installed roof covering option in north america. That works out to about nine degrees if that works better for you. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Shingles of all types need to have a slope to function properly.

The minimum requirement is 2 12. The roof pitch between 2 12 and 4 12 is considered as a low pitch roof so shingles can be installed in the roof slope between 2 12 and 4 12. Considering the roof slope requirement is important. For example if it is a very low slope water including snowmelt or rainwater drains slowly and this increases the chances of.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Why is 2 12 the minimum.