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Roof Sheathing Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.

Formel

Sheets = Roof Area / 32 sf per sheet × 1.10 (10% waste)

Trinn-for-trinn guide

  1. 1Calculate total roof area including overhangs, add waste factor
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

Løste eksempler

Inndata
2000 sf roof area
Resultat
Sheets = 2000/32 × 1.10 = 68.75 → 69 sheets

Vanlige feil å unngå

  • Not applying code-required safety factors or derating
  • Forgetting to account for waste and cut losses in material estimates

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