Biewer Permanent Wood Foundation - 2 x 4
Treated Foundation Lumber
MPN: 204WF|2|4|16 204WF|2|4|16 MFG #: 204XXF

Permanent Wood Foundation (PWF) is a strong, engineered foundation system using modern pressure-treated plywood and lumber products for below ground structures.

The load-bearing, lumber-framed foundation wall is sheathed with plywood.

PWF walls are designed to resist and distribute earth, wind, seismic loads and stresses that may crack other foundation materials.

KDAT (kiln dried after treatment)

Material is CCA treated, to .60 retention

  • Environmentally friendly and safe to use
  • Provides warm, comfortable below grade living space
  • Can lower energy costs
  • Easy to finish
  • Year-around construction