Minimum Roof Pitch For Snow

With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 20 0 for slate roofs.

Minimum roof pitch for snow.

If you are adding an addition to your home or installing skylights knowing the existing pitch is important. Begin by measuring 12 inches on your level and marking it with a pencil. However you can only use this pitch with built up roofing or specialized synthetic roofing. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run.

Minimum roof pitch for shingles. The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems. The smallest pitch of a roof is 0 5 12. The following table provides the minimum required allowable roof slope for each type of roofing material mentioned in the code.

The standard of lower pitch actually ranges between 1 12 to 5 12. Anything above that will require you to put out higher cost because they are already considered as higher pitch. You can safely measure the roof pitch from inside your attic with a level that is either 18 or 24 inches a tape measure and a pencil. What is the smallest pitch of a roof.