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Infusing chemicals into the base of wood is the primary objective of pressure treatment. A wood product will be placed in an air tight tank and the air is completely removed. The storage tank is completely filled with preservartives in a high pressure environment. The tank is then drained and the remaining preservative reused. You then remove the lumber to get it ready to be sent via the shipyard. This happens to be how <---****HYPERLINK****--->"http://www.usexportdirect.com">pressure treated lumber is developed.
By doing this it offers an unappatizing meal for insects. This unique application boomed the "http://www.usexportdirect.com">wholesale wall timber companies and other businesses in the lumber industry.
Currently, there are four levels of pressure treatment for <---****HYPERLINK****--->"http://www.usexportdirect.com">pressure treated lumber, no matter what type of preservatives used. Below are the common and suggestive rating:
0.25 Placed above solid foundation
0.40 Ground contact
0.60 Foundation wood that permanent
2.50 Salt water
You can discover if the board is pressure treated by looking for the tag or white ink wiritng on the board of the numbers above. Since climates differ you shouldn't need be concernced with thses numbers as the lumber yard will be. In order to get the best product for your project tell you building supplier the pt number either it is below, above, or on.!
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