To cover a standard 1,500-square-foot roof surface area, you will typically need approximately 45 to 50 bundles of shingles. Roofing materials are traditionally measured in "squares," where one square equals 100 square feet and generally requires 3 bundles of standard architectural shingles. Because standard roof calculations require adding an extra 10% to account for perimeter waste, hip-and-ridge cuts, valley trimmings, and slope complexity, purchasing 50 bundles ensures you do not run short during installation.
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