The Pros And Cons Of Composite Vs Wooden DeckingContentsFlatten Joists To Avoid A Wavy DeckDeckingStraighten Out Cupped Or Warped BoardsStore TrexFlatten Joists To Avoid A Wavy DeckThe set up can be quite simple — simply put on a silicon sealant to the tip cap or on the top of the deck board, then put the cap in place. You can tap the cap u