Roofing Felt Requirments In Florida

Vertical joints should lap a minimum of 4 inches and be offset by at least 6 feet in successive rows see figure 2 2 at left.

Roofing felt requirments in florida.

Florida s code with its emphasis on minimizing hurricane damage influences the development of codes in other states. Starting at the eave apply 36 inchwide 914 mm sheets of underlayment overlapping successive sheets 19 inches 483 mm end laps shall be 6 inches and shall be offset by 6 feet. On roofs with a slope of 4 12 or greater use a single layer of 15 lb. Asphalt saturated felt starting at the eaves and lapping upper courses over lower by a minimum of 2 inches.

Apply a 19 inch 483 mm strip of underlayment felt parallel to and starting at the eaves fastened sufficiently to hold. For other applications builders and roofers must use d226 type ii roofing felt or a synthetic felt that has met florida building code approval.