Roof Deck Exiting Requirements Fbc

The roof deck is usually concealed prior to removing the existing roof system 3.

Roof deck exiting requirements fbc.

Eave drip edges shall extend 1 2 inch 13 mm below sheathing and extend back on the roof a minimum of 2 inches 51 mm. Overlap to be a minimum of 3 inches 76 mm. Provide drip edge at eaves and gables of shingle roofs. Table 201 1 are deemed to comply with the requirements of section 507 2 2 511 5 of the 2004 florida building code existing building.

A single exit or access to a single exit shall be permitted in accordance with section 1006 3 2. Underlayment in the 7th edition 2020 florida building code building fbcb and the florida building code residential fbcr have been strengthened. When replacing roofing the existing wood roof deck may have to be re nailed in accordance with the current provisions of chapter 16 high velocity hurricane zones of the florida building code building. The florida building code adopts by reference the florida fire prevention code as adopted by the state.

The required number of exits or exit access stairways or ramps providing access to exits from any story or occupied roof shall be maintained until arrival at the exit discharge or a public way. Free egress from the roof to the stairwell is required for occupied roofs but is not mandated by the ibc or nfpa 101 for unoccupied roofs. Drip edge at eaves shall be permitted to be installed either over or under the underlayment. Roof decks and roof coverings must be designed to chapter 16.

Nonclassified roof coverings shall be permitted on buildings of group r 3 and group u occupancies where there is a minimum fire separation distance of 6 feet measured from the leading edge of the roof. Board roof decking secured with at least two 8d nails into roof framing members shall be deemed to be sufficiently connected. There may however be a local requirement for free egress from unoccupied roofs so it s best to check with the local code official. Board roof decking secured with smaller fasteners.

Sstd 12 astm e 1886 and astm e 1996 or miami dade pa 201 202 and 203.