Minimum Pitch For Shingle Roof Tile

Asphalt shingles continue to be the most widely installed roof covering option in north america.

Minimum pitch for shingle roof tile.

What is the minimum slope for an asphalt shingle roof. The following table provides the minimum required allowable roof slope for each type of roofing material mentioned in the code. The international residential code irc specifies a minimum 4 12 pitch 4 inches of vertical rise for every 12 inches of horizontal run for a clay or concrete tile roof except that a pitch as low as 2 1 2 12 is allowed when two layers of underlayment are applied. You are required to have a double layer of asphalt saturated felt paper or a single layer of ice water shield under your.

The irc recommends a minimum pitch of 2 5 12 for these materials. Both clay and concrete tile are available in many colors and are naturally weather resistant. The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems. Clay tiles are colorfast which means their tints improve rather than fade over time.

Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Normal shingle installation is allowed for all roofs with a pitch of 4 12 and above. Asphalt shingles require a minimum roof pitch of 2 12 or greater.

Concrete is long lasting with a minimum lifespan of 50 years depending on climate. Low sloped roof shingle installation. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.