Roof Plywood Thickness Code

Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick.

Roof plywood thickness code.

Chapter 9 roof assemblies. Loads will vary with the. This video may depict some work practices that do not meet current safety standards. 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.

Always ensure your work site is compliant with current osha regulations. On the upcodes website. 8d ring shank nails should be used instead. This minimum will only work if the rafters are set 16 inches apart at most and if the roof doesn t have too much load.

See chapter 10 means of egress particularly 1011 12 stairway to roof 1011 12 2 roof access and 1011 16 ladders. 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. Sheathing should be a minimum of 19 32 inch thick. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.

Structural roof sheathing shall be designed in accordance with the general provisions of this code and the special provisions in this section. Most roofs will be sheathed in plywood at least 3 8 inch thick. 2018 international building code. Avoid roof complaints with proper framing sheathing and roofing techniques.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Roof sheathing conforming to the provisions of table 2304 7 1 2304 7 2 2304 7 3 or 2304 7 5 shall be deemed to meet the requirements of this section. The typical thickness range for sheathing is 3 8 to 3 4 inch. 2018 international residential code.