FIELD GUIDES
Measure first.
Plan with confidence.
Practical roofers guides with clear assumptions, measurement steps, and checks to use alongside the calculators.
All guides
01Roof Pitch and Area Explained
Roof surface area is larger than plan area on a pitched roof, so estimates use slope geometry as well as the building footprint.
→02Choosing a Roofing Waste FactorA roofing waste allowance covers cuts, laps, starter details, breakage, and unusable remnants, but the right allowance depends on roof complexity and product.
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