A two-story 2,000 sq ft house can have a much smaller footprint than a sprawling one-story house of the same living area. Garages, porches and roof geometry add another layer of variation.
Measure the roof, not just the house
Convert measured roof surface into roofing squares with the Roofing Square Calculator. One roofing square equals 100 square feet of roof surface.
Test different material options
Use the Roof Replacement Cost Calculator to compare asphalt, metal, tile, wood and slate planning ranges.
Include removal and access
Tear-off, disposal, multi-story access and complex roof planes can move the final bid even when total surface area stays the same.
Ask about hidden-cost allowances
Decking repairs, flashing, ventilation and permits are common areas where proposals can include different allowances or exclusions.
Run your own numbers: Estimate the project with the Roof Replacement Cost Calculator.