What is the weight of pressure-treated lumber?


Quick Answer

The weight of pressure-treated lumber varies depending on the size of the boards. A 2-by-4-inch lumber board that is 8 feet long has a weight of 17 pounds. A 4-by-12-inch board that is 16 feet long weighs 224 pounds.

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Full Answer

Pressure treatment is a way of preserving wood to extend its useful life and increase its durability. The process uses chemical preservatives. The wood treatment industry in the United States stopped treating wood with arsenic and chromium in 2003 as part of an agreement with the Environmental Protection Agency. The chemicals were replaced with copper-based pesticides. As of 2014, wood treated with the new method is considered to be generally safe to handle, although it can pose hazards if it comes into contact with food.

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