What Is the Actual Thickness of Osb?

Thicknesses are available from 6 mm (1/4 in) to 28.5 mm (1-1/8 in). Panels may be sanded on one or both faces on special order.

What is the actual thickness of 1/2 OSB?

Because the actual thickness may vary measuring the plywood is the only accurate way to determine its thickness. A 3/4” sheet is actually 23/32” thick. A 1/2” sheet is actually 15/32” thick. A 1/4” sheet is actually 7/32” thick.

What is standard OSB thickness?

Common thicknesses for sheathing panels are: 5/16 inch (7.9 mm), 3/8 inch (9.5 mm), 7/16 inch (11.1 mm), 15/32 inch (11.9 mm), 1/2 inch (12.7 mm), 19/32 inch (15.1 mm), 5/8 inch (15.9 mm), 23/32 inch (18.2 mm), and 3/4 inch (19.0 mm).

HandprintOriented Strand Board (Common: 7/16 in. x 2 ft. x 4 ft.; Actual: 0.435 in.

Robert Thorne

Robert Thorne

Automotive & Future Transportation Editor

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.

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