Deck 2 Wall Spacer, "The Ultimate Deck Saver-Inch. Deck 2 Wall spacers provide an easy way to space your deck from the ledger. Spacing your deck from the ledger can help prevent dry rot that can affect the ledger, the house, the siding, and the rim or band joist. Deck 2 Wall is easy to install and replaces the common method using multiple washers or other more difficult applications to space the deck from the ledger. Works great on all kinds of deck applications and is not affected by treated lumber projects. - SKU: SRWP216