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If using ground contact timbers and joists for the structure of a deck (in this case a treehouse), is it a good idea to use joist tape to help protect against rot over the course of many years, or does it being ground contact render it not helpful.

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  • What is "joist tape"? Are you using it on portions where the wood touches the ground or just in general? Please edit to provide some more clarity.
    – FreeMan
    Aug 26, 2022 at 13:03
  • Huh... apparently joist tape is sticky flashing applied to the tops of joists to protect against water infiltration and seal around screw holes. TBH, it sounds like a marketer's dream product - use the same kind of sealant tape designed to seal doors & window flashing and come up with a new use for it. IMHO, it'd be optional in all deck installations, but I'd wait for someone with more experience to chime in.
    – FreeMan
    Aug 26, 2022 at 13:07
  • Also, just stumbled across this highly related question.
    – FreeMan
    Aug 26, 2022 at 14:24

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