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  1. #1
    Join Date
    Sep 2012

    Unhappy New Kiln Dried Wood decking - white sap

    We replaced our deck with kiln-dried "better quality" wood, and installed a new stainless steel cable rail system, back in June.

    2 months after the deck was completed, and stained, we are seeing a white substance (potentially sap) bleeding through some of the boards. (see attached zip file)

    The decking is the Ecolife product from Cox, and has a moisture rating of 0.019pcf.

    Both the lumber company manager who sold us the product, and the Cox wood sales rep came out to look at the deck. Their response was that this is normal, it is yellow-pine. Their recommendation was to use turpentine and a rag, and try to rub off the sap, and re-stain. There was no guarantee that the sap would not come back.

    We are questioning why we even bought this "supposedly" better wood. Is the white substance really wood SAP ? Any recommendations as to fix and prevent this from happening ?
    The railing and the deck does look really nice, except for the dozen boards we have with this white substance :-(
    Attached Files Attached Files

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