Benefits of Watershed™ Stability Overlay on Microllam® LVL

Watershed Stability Overlay (WSO) is a protective barrier applied to Microllam® LVL during the manufacturing process and is currently available on southern pine and yellow poplar species products. WSO is used to reduce moisture related cupping, swelling and surface mold growth. Technical Bulletin #501 contains more information on WSO including a product description and results comparing WSO to other products in standard moisture exposure tests. Additional information can be found in the feature and benefit literature.

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