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baconsdozen
Joined: 03 Dec 2007
Posts: 1119
Location: Under the car.
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 Posted: Sat Oct 09, 2010 3:43 pm Post subject: Paint reaction and sealing |
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My old taxi has had a few resprays over the years.Touching up scratches or repairing rust now becomes a problem in that the paint reacts.I've tried using different sorts (aerosols,I don't have a garage so a spray job is out of the question) The top coat looks fine for an hour or so but then wrinkles and cracks,is there a sealer I could use to stop the reaction,stripping back a whole wing to bare metal for a small rust bubble isn't really my idea of fun.
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Thirty years selling imperial hand tools for old machinery(Now happily retired). |
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Phil - Nottingham
Joined: 01 Jan 2008
Posts: 1252
Location: Nottingham
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| Posted: Sat Oct 09, 2010 4:06 pm Post subject: |
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Barcoat isolator - I have used it before - its water based and only a thin quickdring coat is needed. Excellent but watch when rubbing down primer on top of it
http://www.roverp4dg.org.uk/phpBB2/viewtopic.php?t=2422
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baconsdozen
Joined: 03 Dec 2007
Posts: 1119
Location: Under the car.
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Jim.Walker
Joined: 27 Dec 2008
Posts: 1229
Location: Chesterfield
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| Posted: Tue Oct 12, 2010 10:12 am Post subject: |
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Probably a good wash down with Sugar Soap before using Barcoat would not hurt. It takes off almost everything which might contaminate the surface to be painted.
Jim.
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baconsdozen
Joined: 03 Dec 2007
Posts: 1119
Location: Under the car.
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| Posted: Tue Nov 02, 2010 2:29 pm Post subject: |
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I tried barcoat and gave everything a good wash down.On advice I also sprayed first with a primer filler rather than just primer and everything looks OK. I'm only using aerosols and spraying over the bright yellow primer/filler I was suprised how thin some of these modern paints are,it took a lot of coats to cover.I have used the concentrated Hycote before and that covers much better,its harder to blend in though being so dense.
Untill the rust works its way through again at least the doors look a bit better.
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