Prolam has introduced a new hot-melt polyurethane reactive (PuR) coating for the underside of laminated trailer floors that the company claims eliminates the challenges of traditional water-based paint coatings.

The undercoating, called P•u•R, has superior moisture resistance and outperforms traditional water-based coatings. In climates with extreme weather conditions, water-based paint systems currently used to protect the underside of trailer floors can break down when subjected to intense water spray and road debris. Specific areas, like trailer wheel locations, are more prone to this degradation.
Once water-based paint breaks down, the wood absorbs moisture, causing warping, swelling and deterioration of glue bonds.
According to Benoit Risi, general manager at Prolam, P•u•R coating provides protection for wood trailer floors that standard water-based paint coating can't offer. Risi said the P•u•R coating provides a superior moisture barrier, which increases durability and reduces floor maintenance costs. P•u•R surpasses water-based coatings in industry standardized tests for elongation, abrasion, adhesion and water absorption, and can be applied to the underside of laminated trailer floors in several possible configurations. Prolam is a trailer floor manufacturer launched in 1997 that utilizes a zigzag joint technology.
For more information, visit www.prolamfloors.com.
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