Minimum Roof Slope For Metal Shingles

Typically large footprint single story.

Minimum roof slope for metal shingles. The minimum pitch for metal roof shingles and lapped non soldered panels is 3 12. Low slope metal roofs require less material which reduces the overall load on the building s structure. Asphalt shingles continue to be the most widely installed roof covering option in north america. The minimum pitch for a standing seam metal roof is 1 4 or 3 inches rise to 12 inches run.

Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. Panels joined with an applied lap sealant can go as low as 12. Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12. After that the miimum pitch for metal panels depending on the methods used to join the panels.

According to the 2012 international building code 1507 4 2 deck slope minimum slopes for roof panels need to comply with the following. Asphalt shingles require a minimum roof pitch of 2 12 or greater. The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

The minimum roof slope for metal roofs is dependent upon the roof profile. For low slope metal roofs under 12 that are nearly flat modified bitumen roofing thermoset and. The minimum slope for lapped non soldered seam metal roofs without applied lap sealant shall be three units vertical in 12 units horizontal 25 percent slope. The following table provides the minimum required allowable roof slope for each type of roofing material mentioned in the code.

With regards to metal roofing the profile refers to the shape adopted by the metal sheets when they are bent to form the panels. Metal roof shingles require a minimum roof pitch of 3 12 or greater. In country with heavy snow and tough winter days the metal roof minimum slope is recommended to be 1 12. To get the minimum pitch for a metal roof the vertical rise per foot is divided by the horizontal slope.

Minimum pitch for metal roof. The minimum pitch for shingles is 1 6 which is equivalent to 4 inches rise to 24 inches run. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.