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What Do You Put Between Concrete And Wood? [Solved]

In most cases, either pressure-treated lumber or naturally durable lumber (defined by the IRC as the heartwood of redwood, cedar, black locust, and black walnut) is acceptable. In some cases, separating wood from concrete with a water-impervious membrane or vapor retarder is all that’s required.

Air-seal joint between framing and concrete foundation.

Matt Risinger explains different methods of how to air-seal the joint

Attach Wood to Cement Block, Concrete or Masonry | HANDYBROS |

Looking to attached

How to Replace Wood Expansion Joints in Concrete Slabs

Join Vicki & Steph from Mother Daughter Projects as they replace the