Calculated estimate20.84
roofing squares
Planned roofing quantity
Overhang-adjusted footprint1,664 sq ft
Pitch slope factor1.118
Calculated sloped area1,860.41 sq ft
Roofing squares before allowance18.6
Added roofing allowance223.25 sq ft
Area including allowance2,083.66 sq ft
Roof access is hazardous. Use plans, aerial measurement, or a qualified roofer; verify decking, flashing, ventilation, fastening, wind, fire, snow, and permit requirements locally.