Roofing Felt Requirments Florida

Roofing felt also known as tar paper provides a protective underlayment over the roof deck and beneath the shingles.

Roofing felt requirments florida.

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. Additionally in all areas of florida if the existing roof decking is fastened with 8d round head ring shank nails spaced. Another important florida roofing rule is the 25 percent rule. All areas of florida if the existing roof decking is fastened with either staples or 6d nails the entire roof deck will need to be re nailed with 8d round head ring shank nails spaced no greater than 6 inches on center.

Vertical joints should lap a minimum of 4 inches and be offset by at least 6 feet in successive rows see figure 2 2. 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. 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. On roofs with a slope of 4 12 or greater use a single layer of 15 lb.

A layer of felt or nonbituminous satu rated felt not less than 18 inches 457 mm wide shingled between each course of a wood shake roof covering. 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 in place.

For other applications builders and roofers must use d226 type ii roofing felt or a synthetic felt that has met florida building code approval. Two new tables have been added. Roof wind loads the frsa tri florida high wind concrete and clay roof tile installation manual has been updated to comply with asce 7 16. Florida s code with its emphasis on minimizing hurricane damage influences the development of codes in other states.

Asphalt saturated felt starting at the eaves and lapping upper courses over lower by a minimum of 2 inches. Additionally the prescriptive fastening requirements for wood structural panel roof sheathing in section r803 2 of the fbcr have been updated to comply with asce 7 16. It also offers fire resistance required for home construction.