Pressure-treated lumber is wood that has been immersed in a liquid preservative and placed in a pressure chamber. The chamber forces the chemical into the wood fibers, making them less likely to deteriorate with outdoor use.

Available as follows:

1 x 2
1 x 4
2 x 4
2 x 6
2 x 8
2 x 10
2 x 12
3 x 12
4 x 4
4 x 6
4 x 8
4 x 10
4 x 12
6 x 6
6 x 8
6 x 10
6 x 12
8 x 8

4’ x 8’ CDX Plywood (1/2” or 3/4”)