Gelcoat patch aid question

Discussion in 'Fiberglass and Composite Boat Building' started by pescaloco, Feb 6, 2009.

  1. pescaloco
    Joined: Feb 2006
    Posts: 301
    Likes: 10, Points: 18, Legacy Rep: 81
    Location: so. california

    pescaloco Senior Member

    Hey there guys

    can some one give me the scoop on patch aids.
    I am looking for the best product to speed up small gelcoat repairs.

    I have to color match some white and offwhite's (not brand new boats)
    so if the color changes or is just plain wrong when it kicks, I would like to be able to speed up the process and get it right.

    If you could recommend a brand name and supplier of a patch aid
    and if you could comment on the compatibility with Duratec High Gloss.

    Thanks Mark
     
  2. ondarvr
    Joined: Dec 2005
    Posts: 2,779
    Likes: 466, Points: 83, Legacy Rep: 506
    Location: Monroe WA

    ondarvr Senior Member

    I know you're trying to match an aged color, which is difficult to do, but anything you add to gel coat will change the color, that includes patchaid and the high gloss additive, so you're fighting a few different battles.

    Stop by the local Composites One location, they should a couple different types on hand and check to see which one is the clearest. Some can be clear when made, but may change color in a short time, so even a type that should be clear may have color and create issues.

    As you add anything, even if it's clear, you're reducing the pigment %, lower pigment levels will change the color and cause premature weathering. We normally recommend adding as little as possible and every color is a little different, so you need to experiment a little.
     
  3. pescaloco
    Joined: Feb 2006
    Posts: 301
    Likes: 10, Points: 18, Legacy Rep: 81
    Location: so. california

    pescaloco Senior Member

    Ondarvr

    Thanks, for the reply I sent an e-mail to composite one
    do you have a preference of product or mix of products ??
     
  4. ondarvr
    Joined: Dec 2005
    Posts: 2,779
    Likes: 466, Points: 83, Legacy Rep: 506
    Location: Monroe WA

    ondarvr Senior Member

    The other thing that will take place is as you sand the repairs the surrounding discolored gel coat surface will be removed leaving a color identical to, or at least much closer to, the original color.
     

    Attached Files:


  5. pescaloco
    Joined: Feb 2006
    Posts: 301
    Likes: 10, Points: 18, Legacy Rep: 81
    Location: so. california

    pescaloco Senior Member

    Thanks alot Ondarvar

    Appreciate it !!!
     
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