Master satellite roof takeoffs, pitch multipliers, shingle bundle calculations, and industry estimating standards.
Learn how to measure roof square footage online using free satellite maps. Step-by-step guide to calculating 2D footprints, applying pitch multipliers, and estimating roofing material squares.
Master the roof pitch multiplier formula. Detailed chart converting pitch rise/run (1/12 to 12/12) to slope angles in degrees and area expansion factors.
Learn how to calculate bundle counts per roofing square. Includes asphalt shingle bundle math, waste factor percentages (10%-15%), and material ordering rules.
Convert roof pitch ratios (rise/12) to slope angles in degrees using trigonometry formulas and conversion tables.
Compare free online satellite roof measurement tools vs paid EagleView and RoofScope reports. Evaluate pricing, turn-around speed, accuracy, and ROI.