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How much roofing for a 1,200 sq ft house with 10/12 pitch?

Answer
17.2 squares (52 bundles)
Actual roof area: 1,719 sq ft (with pitch)Includes 10% waste factorEstimated shingle cost: $1,820–$2,860

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How We Calculated This

Squares = (Footprint × Pitch Multiplier × 1.10) / 100

1,200 × pitch factor × 1.10 = 1,719 sq ft. Squares = 17.2. Bundles = 52.

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Calculated using verified formulas. Last updated March 2026.