your thoughts on this mad cap idea

Discussion in 'Fiberglass and Composite Boat Building' started by jamie1965, Aug 22, 2012.

  1. jamie1965
    Joined: Aug 2012
    Posts: 4
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: st neots england

    jamie1965 New Member

    can a thin plastic film be used to seal the air away from wet gelcoat for it to cure hard, if so could the sheet of plastic film be place over the roof of a boat which has just been rolled with 3 coats off gelcoat then if all the edges sealed with tape,if you could use a vacuum cleaner from under the roof say though the are vent to suck the air out ( like vacuum packed ) would this not leave a super smooth cured coating apart from some sanding still needed
     
  2. Herman
    Joined: Oct 2004
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    Location: The Netherlands

    Herman Senior Member

    You want either topcoat (waxed gelcoat) or high gloss additive (Duratec)
     
  3. CDK
    Joined: Aug 2007
    Posts: 3,324
    Likes: 148, Points: 63, Legacy Rep: 1819
    Location: Adriatic sea

    CDK retired engineer

    That only works for a completely flat roof. On all other shapes the plastic will get folds that ruin the gelcoat surface.
     

  4. Frosty

    Frosty Previous Member

    Forget about gell coat. just paint it. urethane or similar.

    In your sun void climate epoxy may be OK.
     
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