Castle Rock Building Supply, Logo

126 Huntington Ave North
Castle Rock, WA 98611

Phone: (360) 274-8131

Treated Lumber

We carry pressure treated lumber in ground contact and deck wood. We can special order sizes that we don't have in stock. PT means ground contact pressure treated. DEK means above ground pressure treated deck wood or sun wood.

  • PT 1x4 - 8, 10, 12, 16ft
  • PT 1x6 - 12ft
  • PT 2x4 - 8, 10, 12, 16ft
  • PT 2x6 - 8, 10, 12, 14, 16ft
  • PT 2x8 - 8, 10, 12, 14, 16ft
  • PT 2x10 - 8, 10, 12, 14, 16ft
  • PT 2x12 - 8, 10, 12, 14, 16ft
  • PT 4x4 - 8, 10, 12ft
  • PT 4x6 - 8, 10, 12ft
  • PT 4x8 - 8, 10, 12, 16ft
  • Pole Barn is rough CCA treated lumber
  • Pole Barn 6x6 - 8, 10, 12, 14, 16ft

  • DEK 2x4 - 8, 10, 12ft
  • DEK 2x6 - 8, 10, 12, 16, 20ft
  • DEK 2x8 - 8, 10, 12ft
  • DEK 4x4 - 8, 10, 12ft