Structural Wood Corporation: Treated Glulam & Timber

Often, the use of glulam or solid timber is for an atmosphere exposed to moisture. Southern Yellow Pine that is pressure preservative treated with ACQ to a retention of 0.60 is available for ground contact or other exposure to moisture.

Exposed Wood

Another form of treatment to glulams involves pressure treating the laminate stock with CCA before gluing. Use of this product is not recommended for residential applications or contact with the ground.

Species naturally resistant to decay such as Western Red Cedar, Alaskan Yellow Cedar or Port Orford Cedar are also available for locations subject to direct exposure to precipitation.

Load Tables are provided below for common applications of treated column selections. Care must be taken by the user to ensure all code requirements for live, wind, snow, and severe conditions are incorporated into the selection. For further questions, contact SWC.