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  1. #1
    Member
    Join Date
    Jun 2004
    Location
    Grove City
    Posts
    640

    Waterproofing Marine Plywood??

    What does everyone use to waterproof marine plywood floors?



  2. Member
    Join Date
    May 2015
    Location
    Kiln Mississippi
    Posts
    837
    #2
    Epoxy thinned a bit on the first coats. Second coat to be applied after first coat cures but still tacky for full chemical bond.

  3. Member
    Join Date
    Jan 2010
    Location
    Indiana
    Posts
    7,671
    #3
    If you want to cut weight for not much more money, look at Penski Board composite. Strong and very light, just coat it with the resin and install. Holds screws very well and cuts like wood

  4. Member
    Join Date
    Jun 2004
    Location
    Grove City
    Posts
    640
    #4
    Any particular brand or source for the epoxy. Wondering where I can purchase it.



  5. Member
    Join Date
    May 2015
    Location
    Kiln Mississippi
    Posts
    837
    #5
    West Systems is my go to brand. Go to their website for instructions about thinning & waterproofing.
    You can buy online or West Marine stocks but high price.

  6. Member
    Join Date
    Jan 2012
    Location
    Houston
    Posts
    1,165
    #6
    System three is nice to work with. Their silver tip saturates glass better than their general purpose. 2:1 ratio is simple to work with.
    90 Shadow 20' Mod V w/ 200 Merc - Total resto and loving it!
    Here's my build from cap-off to boat in the water.
    http://www.bbcboards.net/showthread.php?t=336645

  7. Member
    Join Date
    Feb 2019
    Location
    Louisiana
    Posts
    61
    #7
    Bateau.com has a good 2:1 epoxy for a good price and they ship. They also have fiberglass and other supplies.