Roof Sheathing Code Requirements

Building codes for roofing reqiure a minimum 1x4 and the spaces between battens should not exceed 3 1 2 inches figure 2 46 wood shingles over spaced sheathing and figure 2 47 wood shakes installed over wood sheathing are illustrated below.

Roof sheathing code requirements.

Never attach roof sheathing with staples. The rsrs designation indicates the fastener is a ring shank roof sheathing nail. Asphalt shingles shall be fastened to solidly sheathed decks. Table r803 2 3 1 specifies the maximum fastener.

Sheathing should be a minimum of 19 32 inch thick. 2304 7 floor and roof sheathing. Asphalt shingles shall be fastened to solidly sheathed decks. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. 2014 fbc building 5 th edition 23 wood 2304 general construction requirements 2304 7 floor and roof sheathing. 8d ring shank nails should be used instead. Structural floor sheathing and structural roof sheathing shall comply with sections 2304 7 1 and 2304 7 2 respectively.

Sheathing thickness is greater than 15 32 inches roof sheathing is required to be fastened with astm f1667 rsrs 03 2 0 131 nails or astm f1667 rsrs 04 3 0 120 nails. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process.