OSB Flooring in Basement Reno We used one layer if 2×2 osb with dimple board backing and then attache 4×8 sheets of tongue and groove OSB on top. Sanded, sealed, filled joints and then coated it with 4 coats of water-base urethane. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ
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