![The guy doing my deck said joist tape just traps moisture and worsens wood rot but I see everyone on here saying it's a must, is he right? : r/Decks The guy doing my deck said joist tape just traps moisture and worsens wood rot but I see everyone on here saying it's a must, is he right? : r/Decks](https://preview.redd.it/the-guy-doing-my-deck-said-joist-tape-just-traps-moisture-v0-jb3occsdprlb1.jpg?width=640&crop=smart&auto=webp&s=50e0a3d909f04faf6fc11fdd13c88625dc6a0a8a)
The guy doing my deck said joist tape just traps moisture and worsens wood rot but I see everyone on here saying it's a must, is he right? : r/Decks
![Deck Joist Tape, 4" X 50' Joist Tape for Decking, 2 Rolls Deck Tape Butyl Flashing Tape : Amazon.co.uk: DIY & Tools Deck Joist Tape, 4" X 50' Joist Tape for Decking, 2 Rolls Deck Tape Butyl Flashing Tape : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/716n3ILIoeL._AC_UF350,350_QL80_.jpg)
Deck Joist Tape, 4" X 50' Joist Tape for Decking, 2 Rolls Deck Tape Butyl Flashing Tape : Amazon.co.uk: DIY & Tools
![Walther Strong Deck Tape - Complete Deck Joist Protection Tape - Protects New or Existing Timber Frames from Water/Moisture Rot & Frame Weathering. 50MM x 20M - 25 Year Guarantee : Amazon.co.uk: Walther Strong Deck Tape - Complete Deck Joist Protection Tape - Protects New or Existing Timber Frames from Water/Moisture Rot & Frame Weathering. 50MM x 20M - 25 Year Guarantee : Amazon.co.uk:](https://m.media-amazon.com/images/I/61ctlmeN2KL._AC_UF1000,1000_QL80_.jpg)