Even when wet, wood deck surfaces typically present less risk for slipping than composite . How to Prevent Slippery Wood Deck Surfaces. . Pressure washer; Laundry .Find&Save · Cars · Inside Scoop SFMy wood deck is very slippery when wet. Doeshttps//answers.yahoo/question/indexqid=20080418122234AAgD9Cv已解决· 共 9 条回答 4/18/2008· My wood deck is very slippery when wet. Does anyone have a suggestion for how to prevent . on the wood. You should try pressure washing the .