![POLYGUARD Rot Shield Plus Self-Adhesive Joist and Deck Flashing Tape, 4 in. x 108 ft. POL RSJT-RT - The Home Depot POLYGUARD Rot Shield Plus Self-Adhesive Joist and Deck Flashing Tape, 4 in. x 108 ft. POL RSJT-RT - The Home Depot](https://images.thdstatic.com/productImages/5ecd3335-247a-488a-a986-02fb867ff8c0/svn/polyguard-under-deck-ceiling-systems-pol-rsjt-rt-e1_600.jpg)
POLYGUARD Rot Shield Plus Self-Adhesive Joist and Deck Flashing Tape, 4 in. x 108 ft. POL RSJT-RT - The Home Depot
![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
![VORVIL Butyl Joist Tape for Decking with Scissors 10.2cm x 15.2m 1-Roll - Waterproof Flashing Tape for Deck Joists - Heavy Duty Wrap Protector - for Self Adhesive Seal : Amazon.co.uk: DIY VORVIL Butyl Joist Tape for Decking with Scissors 10.2cm x 15.2m 1-Roll - Waterproof Flashing Tape for Deck Joists - Heavy Duty Wrap Protector - for Self Adhesive Seal : Amazon.co.uk: DIY](https://m.media-amazon.com/images/I/71QihugKEBL._AC_UF1000,1000_QL80_.jpg)
VORVIL Butyl Joist Tape for Decking with Scissors 10.2cm x 15.2m 1-Roll - Waterproof Flashing Tape for Deck Joists - Heavy Duty Wrap Protector - for Self Adhesive Seal : Amazon.co.uk: DIY
![Walther Strong Non-Butyl Joist Tape - Innovating on Traditional butyl tape. Complete Protection Flashing Tape For Your Deck, Wood, Joist and Beams. Weather-Resistant & Waterproof. (Black 50MM x 20M) : Amazon.co.uk: DIY Walther Strong Non-Butyl Joist Tape - Innovating on Traditional butyl tape. Complete Protection Flashing Tape For Your Deck, Wood, Joist and Beams. Weather-Resistant & Waterproof. (Black 50MM x 20M) : Amazon.co.uk: DIY](https://m.media-amazon.com/images/I/61zsXh4Qy6L.jpg)