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Thread: Vermiculite touch ups

  1. Back To Top    #1

    Join Date
    Apr 2015
    Newburgh IN

    Vermiculite touch ups

    I am in the process of replacing my liner and have tons of spots on my floor that need addressed. In the hopper bottom several of the top edges have crumbled up. I was going to skim coat the whole bottom. I have two hopper sides walls done but I may have mixed the vermiculite incorrectly. I mixed it two parts portland cement to one part vermiculite. I got this from one of the other pool forums. Will this hold up? Most of it is just very lightly skim coated but the dents and top edges are thicker.

    Any advice would greatly be appreciated!

    Thanks Jacdschu

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    Azgirl71's Avatar
    Join Date
    Apr 2015
    Sierra Vista, Az

    Re: Vermiculite touch ups

    Welcome to TFP! I don't have an answer for you but wanted to bump your post for others to see.
    Intex AG vinyl 15' x 48" 4,300 gallons due to skimmer install, Krystal Clear SF pump combo 2800 GPH, Krystal Clear SWG, Pool Blaster Max vacuum, Hayward thru the wall skimmer, TF 100 test kit with speed stir, K 1766 Taylor salt test, My SLAM Process

  3. Back To Top    #3
    dw9000's Avatar
    Join Date
    Aug 2014
    NW Ohio

    Re: Vermiculite touch ups

    The mix is 8 cubic feed (2 bags) vermiculite to 1 part portland.
    Verm usually comes in 4 cubic foot bags, portland 94 lb bags.
    - or - you can buy Pool Crete (which is pre mixed), has both.

    Typical mix would be 20 gals water, throw in bag of portland (mix for 75 ses). Then dump in both bags verm, don't overmix you just want it mixed, otherwise verm will start to deteriorate. You really need a paddle/mortar mixer for this, as a normal barrel concrete mixer uses gravity for the material to fall and mix, and the verm is very lite.

    Good luck
    In-ground block / vinyl liner 33' x 22' x 5',, approx 25k gals
    Cartridge Filter
    Floor drains, 2 skimmers, 3 return lines (2" plumbing ultra-flex PVC)

  4. Back To Top    #4

    Join Date
    Oct 2011

    Re: Vermiculite touch ups

    How did it set-up? Check the edge and see how well it bonded? Once the liner is in, it shouldn't move too much. The hardened mix should still be softer than with no vermiculite.
    20x44 IG vinyl. Intelliflo, Pentair Cartridge Filter (420ft^2), Raypac 336K, Kreepy Krauly

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