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  1. #1
    Join Date
    Aug 2005
    Location
    Hampshire
    Posts
    876

    Default Removing paint from GRP

    Looks like the last owner has hand painted on domestic white paint over the GRP. I want to get it off, will Nitromors or similar damage the gelcoat? Any other thoughts?

  2. #2
    Join Date
    May 2001
    Location
    UK East Coast
    Posts
    22,814

    Default

    Ordinary Nitromors will damage gelcoat. There's supposed to be a special Nitromors for fibreglass, but opinions are mixed about it. You might try Dilunett (now called Marine Strip), which is safe on gelcoat. Or Interstrip.

  3. #3
    Join Date
    Oct 2004
    Location
    S. Hampshire
    Posts
    1,841

    Default

    If you can get a small quantity of acetone, test it on the gloss paint. Some paints soften with acetone and some dont. If it does, you can get larger amounts from any GRP shop
    Def: Yachting - a way of spending the kids inheritance

  4. #4
    Join Date
    Jun 2001
    Location
    Cumbria
    Posts
    5,095

    Default

    Be careful with acetone - it can soften gelcoat too!

    I've had mixed experiences with paint stripper on GRP. I used Nitromors on a GRP car once, with no trouble at all, but splashed some on my boat once, when stripping a toe rail and within about 30 seconds the gelcoat was bubbling!

  5. #5
    Join Date
    Jun 2005
    Location
    Mid Devon
    Posts
    5,136

    Default

    I've just come across a stripper for GRP called 'Enviromose' from builders merchants. It was about 45 for 5 litres and works really well. It also doesn't take your skin off! Google it to get more details
    Last edited by PCUK; 11-07-11 at 22:33.

  6. #6
    Join Date
    Sep 2007
    Location
    Edinburgh
    Posts
    173

    Default

    I have used polycel advanced paint stripper, its solvent based. I had to strip the paint from the moulded in non slip just to make things more difficult. I'd paint the stuff on, wait a couple of hours then blast it off with a pressure washer. I did have to repeat a few times as there were several coats.

  7. #7
    Join Date
    May 2008
    Location
    River Blackwater - Essex
    Posts
    17

    Default peel away 7

    http://www.decoratingdirect.co.uk/viewprod/p/PALPA7/

    worked well on painted decks, ok to use on fibreglass.

    Lee

  8. #8
    Join Date
    Dec 2010
    Location
    Alberta, Canada
    Posts
    72

    Default

    Not sure how much paint we are talking about, but when I remove painted on boat names I use spray-on oven cleaner! In Canada it's called "Easy-Off", not sure about UK.
    Does not affect gelcoat.

  9. #9

    Default

    I must agree with Lee, we have used this in the past and works really well.

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