Roof Sheathing Requirements For Concrete Tile

The metal and underlayment shall be joined with a bed of flashing cement and a 4 strip of asphalt saturated cotton or fiberglass fabric.

Roof sheathing requirements for concrete tile.

Cricket or saddle coverings shall be of sheet metal of the same material as the roof covering. Wind concrete and clay roof tile installation manual has been updated to comply with asce 7 16. 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. Roof slopes between 2 and 12 and up to 4 in 12 require double underlayment as detailed in table 905 1 1 2.

Underlayment materials required to comply with astm d226 d1970 d4869 and d6757 shall bear a label indicating compliance to the standard. Two new tables have been added. Minimum 2 in 12 for clay and concrete tiles. See special installation requirements of manufacturer and irc.

Class a roof assemblies include minimum 16 ounces per square foot copper sheets installed over combustible decks. The concrete tile roof has two saddle structures that are made of rolled peel and stick roofing. The concrete and clay roof tile installation manual gives guidance on two attachment methods for hip and ridge tiles. Underlayment for asphalt shingles clay and concrete tile metal roof shingles mineral surfaced roll roofing slate and slate type shingles wood shingles wood shakes and metal roof panels shall conform to the applicable standards listed in this chapter.

Roof sheathing fastening secondary water barriers. At tricky areas such as around roof vents chimneys and skylights self adhesive bituminous membrane can help achieve a watertight seal. Mortar set or attachment to a ridge board. 1 through 201 3 64 shall be accepted as meeting the mandated roof to wall retrofit requirements.

I found the local building codes for crickets and saddles are quoted as. Clay and concrete tile roof systems installed as required by the florida. Corrosion resistant roof nails or fasteners of compatible metals. The metal shall be fastened 6 on center with 12 ga.

Tiles shall be installed in accordance with the manufacturer s installation instructions in areas where the wind speed exceeds 100 mph and where the roof is located more than 40 feet above grade. R902 2 fire retardant treated shingles and shakes. Class a roof assemblies include ferrous or copper shingles or sheets metal sheets and shingles clay or concrete roof tile or slate installed on noncombustible decks. Where it can be demonstrated by code adoption date documentation and permit.

On the basis of post disaster field in vestigations use of a ridge board is recommended. Otherwise the roof is concrete tile. For attachment of the board refer to table 21 in the addendum to the concrete and clay roof tile.