Roof Plywood Thickness Code

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.

Roof plywood thickness code.

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 international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. 8d ring shank nails should be used instead. Produced by apa the engineered wood association formerly the american plywood association in 1989.

Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick. That s considered to be the minimum. Never attach roof sheathing with staples. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

Sheathing should be a minimum of 19 32 inch thick. Avoid roof complaints with proper framing sheathing and roofing techniques. 2018 international building code. Loads will vary with the.

Most roofs will be sheathed in plywood at least 3 8 inch thick. The typical thickness range for sheathing is 3 8 to 3 4 inch. Structural roof sheathing shall be designed in accordance with the general provisions of this code and the special provisions in this section. Always ensure your work site is compliant with current osha regulations.

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. 2018 international residential code. This video may depict some work practices that do not meet current safety standards. Chapter 9 roof assemblies.