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2. Wood preservation - Wikipedia

   en.wikipedia.org/wiki/Wood_preservation

   The PTI preservative imparts very little color to the wood. Producers generally add a color agent or a trace amount of copper solution so as to identify the wood as pressure treated and to better match the color of other pressure treated wood products. The PTI wood products are very well adapted for paint and stain applications with no bleed ...

3. Alkaline copper quaternary - Wikipedia

   en.wikipedia.org/wiki/Alkaline_copper_quaternary

   The copper in ACQ treated wood accelerates corrosion of galvanized steel fasteners (such as nails and screws) 10 times or more in comparison with CCA-treated wood. Stainless steel (AISI 316) is not affected. [7] Aluminium and Galvalum fasteners should be avoided. [8] One should use fasteners made of hot-dipped galvanized steel, copper, or ...

4. Chromated copper arsenate - Wikipedia

   en.wikipedia.org/wiki/Chromated_copper_arsenate

   Usually they lack the long-term robust qualities and resistance of chemically treated lumber. Some may be pressure treated with water alone, which while much more long lived than normal wood, will not repel insects as much as chemically treated but will resist mold and water damage much more than non-treated lumber.

5. Center for Environmental Health - Wikipedia

   en.wikipedia.org/wiki/Center_for_Environmental...

   Until 2003, most wood sold in the U.S. for outdoor use was treated with chromated copper arsenate (CCA), an arsenic-based preservative. [6] By late 2001, three national manufacturers of children's backyard play sets agreed to a CEH legal settlement calling for them to stop using arsenic in pressure-treated lumber within three months. [7]

6. Copper naphthenate - Wikipedia

   en.wikipedia.org/wiki/Copper_naphthenate

   Copper naphthenate is an active ingredient used predominantly in industrial and commercial wood preservation for non-pressure (dip/brush/spray) and pressure treatments (vacuum/full cell) to protect against fungal rot, decay, termites and wood-boring insects in unfinished wood and various fabricated wood products.

7. Deck (building) - Wikipedia

   en.wikipedia.org/wiki/Deck_(building)

   Decks are often built from pressure-treated wood. Pressure-treated wood is long lasting and holds up to wet and icy conditions. Pressure-treating chemicals are known to be toxic. [2] Both softwood and hardwood decks need to be finished after installation using either an oil or varnish to prevent weathering, wear, mould, algae and wood-boring ...