News - Plastic Coating Wood, CCA, etc.
|Right below you will find excerpts from studies that we have found that have been provided by scientists and educational research facilities that concern CCA, how it is necessary to use it in outdoor woods, and the types of plastic coating of the wood, required to safely protect you from those chemicals.
Any time we find useful information that will make your decision making process easier, we will share it here on this page, so be sure to come back often to check on it.
Please take notice that CCA was originally used to keep wood from experiencing decay and that a cool deck coating recommended by these studies are high molecular weight polymers - just like EPL! Other leading types of wood deck refinishing products do not provide the sufficient coating that is recommended for protection from CCA.
CCA's are no longer allowed in outdoor lumber - new treatments called ACQ (alkaline copper quaternary) and Copper Azole are non-arsenic pressure treatments that have replaced the need for CCA. These two new chemicals have yet to prove themselves in their efficiency to protect the wood from rot and to maintain the appearance of your wood.
Reports On CCA In Pressure Treated Wood* Report to the Environmental Protection Agency (EPA): Preliminary Evaluation of Non-Dietary Hazard and Exposure to Children from Contact with CCA Treated Wood Playground Structure
FIFRA, SAP, Final Report, Dec.12, 2001.
There exists some disagreement on the hazard of CCA. There was, however, consensus among the experts on the need to "inform the public of the ability of certain coatings to substantially reduce leachable and dislodgeable CCA chemicals and thus to reduce potential exposure to arsenic and chromium" and to "begin advising the public about the use of coatings now". They also indicate "...water repellants are ineffective."
* FLORIDA CENTER FOR SOLID AND HAZARDOUS WASTE MANAGEMENT
May 1998: Methods to Increase Product Service Life Supplemental Treatments
See page 37 of 84 for the following excerpt: Supplemental treatments include water sealants and plastic coverings for CCA-treated wood products. These treatments help to maintain the CCA chemical within the wood product thereby providing greater protection against decay. (Archer, personal communication, 1998
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