Buy Shingles: How To Measure A Roof To

To accurately measure a roof for shingles, you must determine its total surface area, account for the slope (pitch), and add a "waste factor" for cuts and overlaps. Roofing materials are typically sold by the which equals 100 square feet. 1. Measure the Footprint

Start by measuring the horizontal dimensions of your roof. You can do this from the ground or by sketching a "bird's-eye" view of the structure. DIY Roofing: Re-Roofing Tips - Owens Corning how to measure a roof to buy shingles