Roof Sheathing Code Requirements

2304 7 floor and roof sheathing.

Roof sheathing code requirements.

Sheathing should be a minimum of 19 32 inch thick. 8d ring shank nails should be used instead. 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. Solid sheathing is required in areas where the average daily temperature in january is 25 f 4 c or less or where there is a possibility of ice.

Structural floor sheathing and structural roof sheathing shall comply with sections 2304 7 1 and 2304 7 2 respectively. The typical thickness range for sheathing is 3 8 to 3 4 inch. 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. 2014 fbc building 5 th edition 23 wood 2304 general construction requirements 2304 7 floor and roof sheathing.

The rsrs designation indicates the fastener is a ring shank roof sheathing nail. 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. Jump to full code chapter. Table r803 2 3 1 specifies the maximum fastener.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Asphalt shingles shall be fastened to solidly sheathed decks.