Applying finishing resin LATER over laminating to prevent clogging?

Discussion in 'Fiberglass and Composite Boat Building' started by burke, May 12, 2017.

  1. burke
    Joined: May 2014
    Posts: 58
    Likes: 1, Points: 8, Legacy Rep: 16
    Location: Maine

    burke Junior Member

    If I overcoat a polyester laminating resin a day or a month later with a waxed finishing resin, will that prevent sandpaper from clogging? Won't that sticky layer of the laminating resin surface just be buried and still clog if the sandpaper grinds through it?

    Thanks
     
  2. jorgepease
    Joined: Feb 2012
    Posts: 1,614
    Likes: 47, Points: 48, Legacy Rep: 75
    Location: Florida

    jorgepease Senior Member

    Once you block off the air with the final layer, the sticky stuff should cure
     
  3. ondarvr
    Joined: Dec 2005
    Posts: 2,275
    Likes: 237, Points: 63, Legacy Rep: 506
    Location: Monroe WA

    ondarvr Senior Member

    If it's still sticky it will cure and not clog the paper, but like in my answer before, most polyesters should be tack free (at least enough to sand) a week or so after being applied if catalyzed correctly.
     
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