Note that the green tone of treated wood will fade as the wood ages, without any effect on the wood protection. The organic solvent preservatives are typically used for field-treating cut ends of pressure treated wood. There are two available chemicals in this category: copper naphthenate and zinc naphthenate.Click to see full answer. Consequently, why is my pressure treated wood green?The green color you see on treated wood is caused by chemical reactions that take place between the preservative components and the wood. Copper is still the most widely used element in wood preservatives and creates a green color on the wood. can you still buy green pressure treated wood? Many lumber stores sell “green” PT wood (treated with copper compounds). Keep in mind that the green colour bleaches out quickly with sun and rain, so new PT wood won’t look the same as the old stuff for a while. Also you’re not supposed to paint or stain for at least 3 months to let the PT wood dry out. Also question is, how long does Green treated wood last? 40 years Is brown pressure treated wood better than Green? Wood treated without solvents Although it is a more expensive option, wood that has been pressure-treated using micronized copper azole (MCA), which is a darker brown in colour, is less prone to off-gassing, and the preservative is less likely to wash off. As a result, it protects and retains its colour for longer.
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