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.

On the upcodes website. Structural roof sheathing shall be designed in accordance with the general provisions of this code and the special provisions in this section. That s considered to be the minimum. Chapter 9 roof assemblies.

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. Most roofs will be sheathed in plywood at least 3 8 inch thick. This video may depict some work practices that do not meet current safety standards. Always ensure your work site is compliant with current osha regulations.

Produced by apa the engineered wood association formerly the american plywood association in 1989. 2018 international building code. Never attach roof sheathing with staples. Loads will vary with the.

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. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Sheathing should be a minimum of 19 32 inch thick.

2018 international residential 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. The typical thickness range for sheathing is 3 8 to 3 4 inch.