Yellowing white paint on radiator


Postby spantik » Thu Feb 17, 2011 5:12 pm

This is the first time this has happened to me and I've done nothing different in the prep!

I rubbed down a cold, previously painted radiator (satin white) that was in good nick - just tired. I painted it with two coats of Crown white gloss - not sure if it was non drip/ solvent based/ water based - does it matter? Looked good until the radiator was switched on and now it is yellow within two weeks of use!!! Good job it's behind the bed - I am not a happy chappy (female actually).

I have read the posting to dave57 Dec 09 2010 from the shedman. Anyone in agreement/ have other ideas?

Thoroughly annoyed. :x
spantik
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Joined: Wed Oct 10, 2007 9:14 am

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Postby theshedman » Fri Feb 18, 2011 11:52 am

Hi spantik, you really need to put on an undercoat before you gloss. Gloss on it's own will not do anything as it has no covering power and the yellowish colour from underneath will just bleed back through. It is just as it says a finishing coat. I usually give it one or two coats of oilbased undercoat followed by a topcoat. Waterbased gloss doesn't yellow as quickly as oilbased gloss but by the time it has yellowed it is time to redo it anyway and any paint that is behind stuff and away from natural light will yellow quicker than usual anyway.
theshedman
Posts: 205
Joined: Thu Jul 09, 2009 11:11 am


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