Plywood (and all timber) have less compressive capacity when load is applied perpendicular to the
grain, compared to when load is applied parallel to grain. The bearing or crushing strength of the plywood
may govern design where high localised point loads are applied to the plywood surface. For example, small
diameter metal castor wheels supporting high loads, on structural plywood flooring. Where bearing
strength is critical, the simplest solution is often to increase the bearing area. In the example of the small
diameter metal wheels, the use of larger diameter wheels and/or softer compound wheels will spread the
Characteristic bearing strengths are not incorporated in the F rating system. Characteristic bearing strength
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