Roof Plywood Thickness Code

This video may depict some work practices that do not meet current safety standards.

Roof plywood thickness code.

That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Never attach roof sheathing with staples. 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. 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.

On the upcodes website. Avoid roof complaints with proper framing sheathing and roofing techniques. Sheathing should be a minimum of 19 32 inch thick. 8d ring shank nails should be used instead.

Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick. The typical thickness range for sheathing is 3 8 to 3 4 inch. 2018 international building code. 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.

Produced by apa the engineered wood association formerly the american plywood association in 1989. Chapter 9 roof assemblies. Always ensure your work site is compliant with current osha regulations. 2018 international residential code.

See chapter 10 means of egress particularly 1011 12 stairway to roof 1011 12 2 roof access and 1011 16 ladders. Loads will vary with the. Most roofs will be sheathed in plywood at least 3 8 inch thick. 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.