Pressure-treated lumber is rated by the amount of chemical infused in it per cubic foot of wood. This is stated on the tag stapled to the lumber's endgrain. Ground-contact rated lumber has ...

Ground-contact pressure-treated wood is cured with more chemicals and is thus appropriate for use just above the ground, at ground level, or wherever ventilation is poor. What is pressure-treated ...

Pressure-treated wood has been around for nearly 70 years, yet most of us still know very little about this popular outdoor building material. To start, pressure-treated wood is softwood lumber ...

These days, most pressure-treated lumber that you might get at a local home improvement store is one of two kinds: ground contact and non–ground contact. Ground-contact lumber, which can be ...

To prolong the lifespan of non-pressure-treated wood, it's important to use gravel or crushed stone at the base of the hole ...

If you decide to use pressure ... that the wood can be used for above-ground use in sills, railings or joists. A rating of 0.40 means the wood is acceptable for ground or freshwater contact ...

Pressure-treated lumber was first patented ... because they are made to be stuck into the ground, where the wood is in contact with the most moisture. If you are in the market for wood to build ...

The three common wood species from the United States used for building decks include redwood, cedar and pressure-treated wood that come from various wood species such as spruce, fir and pine.