Roof Itch Requirements

The covered porch roof pitch should match the existing house.

Roof itch requirements.

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. Match pitch of existing roof. Minimum roof pitch for shingles it is important for shingle roofs to function properly and one method of ensuring that this is achieved is to observe the pitch requirements for the shingles. The standard of lower pitch actually ranges between 1 12 to 5 12.

The recommended minimum roof pitch for shingles is 2 12 or simply two units of vertical rise to every twelve units of horizontal span. Buildings with multiple roof. Anything above that will require you to put out higher cost because they are already considered as higher pitch. Minimum required roof slope for roofing materials.

A ratio is the most common way of expressing roof pitch or roof slope but degrees are also possible. The minimum pitch is typically 3 12 meaning the roof should rise 3 inches for every 12 inches of horizontal foot. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. It s very inexpensive and very accurate.

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. Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. Asphalt shingles require a minimum roof pitch of 2 12 or greater.

Minimum roof pitch for a covered porch minimum roof pitch. Metal roof shingles require a minimum roof pitch of 3 12 or greater.