New pressure treated wood can corrode in charge of structural closure.
This year, changes in the composition of pressure treated wood increases the concern to accelerate corrosion of metals and mounting brackets used to connect wood in foundations, bridges and other outdoor structures.
Professional and Do-it-yourself-owners must be compatible with pressure-treated wood, stainless steel or at least heavily coated galvanized closures and parentheses, government and industry warn officials.
Consideration by the wood and metal closing and taking classes shows the new preservatives, the first was shown a copy of wood construction treaty earlier this year are more corrosive on metal that the former Conservative Contents of arsenic.
Experts say the rate of corrosion varies depending on conditions such as humidity, and it remains unclear how long it will take to see the failures of different types of metal cap.
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