![Deck floor board spacing gaps: Proper gap size to leave between deck boards for drainage and drying, and extra steps to take to protect deck joists from rot. Deck floor board spacing gaps: Proper gap size to leave between deck boards for drainage and drying, and extra steps to take to protect deck joists from rot.](https://inspectapedia.com/decks/Deck-Drainage-Venting-557-DGs.jpg)
Deck floor board spacing gaps: Proper gap size to leave between deck boards for drainage and drying, and extra steps to take to protect deck joists from rot.
![Plank Rite Steel Deck Spacing and Fastening Tool 3 Pack for Use with 5-1/2 Inch Deck Boards | Works for Treated Wood or Composite Decking | Deck Jig for Professional Neat Finish Plank Rite Steel Deck Spacing and Fastening Tool 3 Pack for Use with 5-1/2 Inch Deck Boards | Works for Treated Wood or Composite Decking | Deck Jig for Professional Neat Finish](https://m.media-amazon.com/images/I/71WNCV0Z8IL.jpg)
Plank Rite Steel Deck Spacing and Fastening Tool 3 Pack for Use with 5-1/2 Inch Deck Boards | Works for Treated Wood or Composite Decking | Deck Jig for Professional Neat Finish
![DeckWise WiseGuides 1/8 in. Gap Deck Board Spacer for Hidden Deck Fasteners (6-Count) SPCR-1/8-Blue-6pc - The Home Depot DeckWise WiseGuides 1/8 in. Gap Deck Board Spacer for Hidden Deck Fasteners (6-Count) SPCR-1/8-Blue-6pc - The Home Depot](https://images.thdstatic.com/productImages/e4bde675-5472-4ccb-8c9f-3046dc5d1b9b/svn/deckwise-hidden-deck-fasteners-spcr-1-8-blue-6pc-4f_600.jpg)