Generally speaking, pressure-treated wood is for use in situations where the wood won't be kept dry. Untreated wood tends to only last 8 years or less when exposed to the elements, due to insect ...

But if you come into some wood another way—and don’t have a lot of experience working with it—you may not know how to tell whether it has been pressure-treated.

Pressure-treated lumber offers durability, ... When used as fence posts, untreated wood may last for 10 years in one environment, but decay and weaken in fewer than two years in another.

Unless, that is, your neighbor followed most building codes and used pressure-treated lumber. The basics of pressure-treated lumber are close to common knowledge: it’s what you use outdoors, it ...

Eecently my wife, Ann, heard a piece on National Public Radio warning listeners about the dangers of CCA-treated lumber in the garden. At about the same time, I received an e-mail from a reader ...

In the heat of the day, a square meter of the wood could radiate away about 16W of power. At night, that figure shot up to 63W, for a 24-hour average of 53 Watts per square meter.

This is a liquid you can paint onto any untreated lumber. Copper is a natural biocide. It’s the primary component in treated lumber you purchase for outdoor use.