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8:12 Roof Pitch

8/12 is a classic steep pitch with strong architectural presence — the go-to for colonial, Cape Cod, and traditional Northeast homes.

🏠 Standard Pitch

Pitch Ratio

8:12

Angle

33.7°

Slope

66.7%

Rise per 12" Run

8 inches

Run: 12.0Rise: 8.033.7°Rafter

🏠 Common Uses for 8:12 Pitch

  • Classic colonial and Cape Cod styles
  • New England traditional homes
  • Cottage and farmhouse designs
  • Homes in heavy snow zones

🌦️ Best Climate Fit

  • Heavy snow regions (New England, Rocky Mountains)
  • High rainfall areas
  • Northern climates where snow load is a concern

✅ Advantages

  • Classic, timeless architectural look
  • Excellent snow and rain shedding
  • Longer roof lifespan due to better drainage
  • Substantial attic/living space potential
  • Can handle most premium materials

⚠️ Drawbacks

  • ×Definitely not walkable — requires scaffolding for repair
  • ×20-25% higher cost than 4/12 (more materials + labor)
  • ×Higher wind uplift exposure
  • ×Requires experienced roofers

🧱 Recommended Materials for 8:12

Asphalt ShinglesArchitectural ShinglesStanding Seam MetalClay TileSlateWood Shakes

About 8:12 Pitch

A 8:12 (also written as 8/12) roof pitch means the roof rises 8 inches for every 12 inches of horizontal distance. Expressed as an angle, this is approximately 33.7 degrees, with a slope of 66.7%.

Asphalt shingles (most popular), architectural shingles, or wood shakes. Standard residential pitch range.

Compared to a flat roof of the same footprint, a 8:12 pitch roof has about 20.2% more surface area due to the slope. Factor this into your material calculations using a pitch multiplier of ×1.202.