Roofing Felt Requirments Florida

Apply a 19 inch 483 mm strip of underlayment felt parallel to and starting at the eaves fastened sufficiently to hold in place.

Roofing felt requirments florida.

Two new tables have been added. Another important florida roofing rule is the 25 percent rule. 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. 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.

On roofs with a slope of 4 12 or greater use a single layer of 15 lb. It also offers fire resistance required for home construction. Vertical joints should lap a minimum of 4 inches and be offset by at least 6 feet in successive rows see figure 2 2. 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. 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. There are slight differences to the rule for buildings in or out of an hvhz so it is important to know where your building lies. Florida s code with its emphasis on minimizing hurricane damage influences the development of codes in other states.

On roofs with a slope of 4 12 or greater use a single layer of 15 lb. 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. For other applications builders and roofers must use d226 type ii roofing felt or a synthetic felt that has met florida building code approval. Additionally in all areas of florida if the existing roof decking is fastened with 8d round head ring shank nails spaced.

Roofing felt also known as tar paper provides a protective underlayment over the roof deck and beneath the shingles. This law states that if more than 25 percent of a building s roof must be replaced within a 12 month period then the entire roof may need to be replaced. 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.