9mm Underlayment Carb Compliant - 4' X 5' Sheet
For use under vinyl floors, VCT, and general use where 1/4? or 3/8? plywood is an approved underlayment. Five-ply (1/4?) and 7-ply (3/8?) birch construction gives Powerhold underlayment a significant advantage over more traditional 3-ply underlayments in strength, hardness and durability. CARB compliant.
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