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Can Microllam® LVL be pressure treated?

Microllam® LVL should only be used in dry (interior use) applications and should not be pressure treated.  LVL is not suitable for the pressure treatment process due to material density and glue lines. Also some wood species used in Microllam® LVL production may not be appropriate to absorb the chemicals used in treatment. 

The best choice for exterior use is our Parallam® Plus PSL. Our treated Parallam is made from Southern Pine which is a species that can be easily treated.

For more information: 

Preservative Treatments Approved for Trus Joist Engineered Wood Products

Parallam® Plus PSL information

 

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