Min Metal Building Roof Pitch

This link will take you to section 1507 requirements for roof coverings to jump to the subsection for your type of material click the name of the material in the code index on the left side of the page you may have to click on the.

Min metal building roof pitch.

The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7. Various materials can serve as sturdy roofing materials from metal sheets to clay tiles to protect the building from the elements. Asphalt shingles require a minimum roof pitch of 2 12 or greater. Corrugated metal roofing has the same minimum pitch.

The minimum pitch allowed for metal shingles is a 3 12 ratio whereas metal panelling can be applied down to a 1 12 ratio. Metal roof shingles require a minimum roof pitch of 3 12 or greater. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. Not only can low slope metal roofing contribute to the bottom line it can also contribute to leed credits which are awarded to buildings that use high recycled content and other green construction materials.

Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. With regards to metal roofing the profile refers to the shape adopted by the metal sheets when they are bent to form the panels. Panels joined with an applied lap sealant can go as low as 12. Minimum pitch for metal roof.

However you can only use this pitch with built up roofing or specialized synthetic roofing. Profiles with a higher ridge at the panel connections can be installed lower. Also pitch is often expressed in a shorthand style using just the first number. Pbr which is typically used for industrial metal buildings can be installed as low as half inch pitch for example.

This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. The minimum roof slope for metal roofs is dependent upon the roof profile. To get the minimum pitch for a metal roof the vertical rise per foot is divided by the horizontal slope. The minimum pitch for metal roof shingles and lapped non soldered panels is 3 12.

A typical low slope metal roof has at least 25 recycled content and at the end of its long useful life is 100 recyclable. Let us recap on the minimum roof pitch required for each type of roofing material.