Roof Plywood Thickness Code

8d ring shank nails should be used instead.

Roof plywood thickness code.

Never attach roof sheathing with staples. That s considered to be the minimum. Produced by apa the engineered wood association formerly the american plywood association in 1989. This video may depict some work practices that do not meet current safety standards.

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. Chapter 9 roof assemblies. 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.

That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick. See chapter 10 means of egress particularly 1011 12 stairway to roof 1011 12 2 roof access and 1011 16 ladders. 2018 international residential code.

Sheathing should be a minimum of 19 32 inch thick. Loads will vary with the. The typical thickness range for sheathing is 3 8 to 3 4 inch. 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.

On the upcodes website. Always ensure your work site is compliant with current osha regulations. Structural roof sheathing shall be designed in accordance with the general provisions of this code and the special provisions in this section. 2018 international building code.