NBS 56 Wooden performance. Moisture content of timber
Outlines recommendations for moisture content for specific situations and the consequences of high moisture content. Discusses service classes to facilitate strength grading at a moisture content appropriate for the exposure conditions. Defines movement at change in humidity from 90-60% at constant temperature for a range of timber types, alongside workability, durability and suitability for joinery. Includes a note on preservatives.
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