Roofing Felt / Underlayment Calculator
Estimate 15 lb and 30 lb roofing felt rolls needed for a roof.
15 lb Felt Rolls
6 rolls (400 ft² each)
30 lb Felt Rolls
11 rolls (200 ft² each)
Adjusted Roof Area
2,200.0 ft²
Roof Area
2,000.0 ft²
Overlap
10%
Estimate 15 lb and 30 lb roofing felt rolls needed for a roof.
15 lb Felt Rolls
6 rolls (400 ft² each)
30 lb Felt Rolls
11 rolls (200 ft² each)
Adjusted Roof Area
2,200.0 ft²
Roof Area
2,000.0 ft²
Overlap
10%