Roof Sheathing Code Requirements

Table r803 2 3 1 specifies the maximum fastener.

Roof sheathing code requirements.

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. 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. Structural floor sheathing and structural roof sheathing shall comply with sections 2304 7 1 and 2304 7 2 respectively. The rsrs designation indicates the fastener is a ring shank roof sheathing nail.

Sheathing should be a minimum of 19 32 inch thick. Jump to full code chapter. Never attach roof sheathing with staples. 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.

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. 8d ring shank nails should be used instead. 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.

Asphalt shingles shall be fastened to solidly sheathed decks. 2304 7 floor and roof sheathing.