Roof Itch Requirements

Minimum required roof slope for roofing materials.

Roof itch requirements.

Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. The minimum pitch is typically 3 12 meaning the roof should rise 3 inches for every 12 inches of horizontal foot. Match roof material. It s very inexpensive and very accurate.

Anything above that will require you to put out higher cost because they are already considered as higher pitch. Buildings with multiple roof. Metal roof shingles require a minimum roof pitch of 3 12 or greater. If you need help figuring out the slope or pitch of your roof we recommend this slope finder on amazon it s very inexpensive and very accurate.

Let us recap on the minimum roof pitch required for each type of roofing material. The covered porch roof pitch should match the existing house. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. Minimum pitch for corrugated metal roof.

Asphalt shingles require a minimum roof pitch of 2 12 or greater. The recommended minimum roof pitch for shingles is 2 12 or simply two units of vertical rise to every twelve units of horizontal span. Match pitch of existing roof. Minimum roof pitch for a covered porch minimum roof pitch.

The way pitch also known as roof slope is measured is rise over run. So if your roof rises 4 inches for every 12 inches of horizontal length then the pitch of your roof is expressed as 4 12.