Roof Load Calculator Roof Length (ft): Roof Width (ft): Roof Pitch (ratio): Roofing Material: Asphalt ShinglesClay TilesConcrete TilesMetal RoofingSlate Snow Load (psf): Wind Exposure: NormalHigh Wind AreaHurricane Zone Calculate Load Total Roof Area: 0 sq.ft Material Load: 0 lbs Total Live Load: 0 lbs Safety Factor: 0 (1.5 recommended)