Question 1

What pitch is best for my climate?

Accepted Answer

Heavy snow: 6:12-12:12 (steep, to shed snow). Heavy rain: 4:12-8:12 (good drainage without excessive wind load). Hot/dry: 2:12-4:12 (low-slope reduces material cost and wind resistance). Hurricane zones: 4:12-6:12 with proper fastening.

Question 2

What is the minimum pitch for shingles?

Accepted Answer

Asphalt shingles require minimum 2:12 with underlayment modifications, standard is 4:12+. Metal panels: minimum 1:12-3:12 depending on type. Clay/concrete tiles: minimum 4:12. Slate: minimum 4:12. Always check manufacturer specifications.