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Roof

Exterior

Roofing Calculator

Estimate roof area, roofing squares and shingle bundles.

Building length * ft Building width * ft Roof pitch rise per 12 inches * in Waste allowance % Bundles per roofing square * Price per bundle $

Estimated requirement

Assumptions

Assumes a simple roof whose horizontal footprint is length × width. Complex valleys, dormers and hips may require additional waste.

Planning estimate only. Verify quantities, product coverage, local prices, structural requirements and building codes before purchasing or construction.

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