If you have a concrete subfloors, ensure that it meets requirements for the adhesive or adhesive system selected.

For wood subfloors, use 3⁄4” CDX grade plywood or a minimum of 5/8” CDX plywood.

Test the moisture content of the wood subfloor and wood flooring with a pin type moisture meter. Wood subfloors must not exceed 12% and the wood flooring should be within 3% of the wood subfloor.