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np2008 02-20-2008 02:35 PM

paint coming of from doors and frames
 
I have decided to paint doors and frames in my bedroom and sanded the frames first. What happened is that a layer of paint started to come out. The there is another layer holds pretty good but the top layer is now peeling. I don't know what is going on. My guess is the old owners of the house ( I recently bought the house) painted with water based on oil based paint. How can I be sure if this is the case and if that is the case what is the best and/or easiest way to solve the problem.

It is okay to just paint on top of the paint with a light sand?

slickshift 02-20-2008 04:33 PM

You can wipe the painted surface in question with Oops! or Goof Off!, or even better denatured alcohol
If the color wipes off, it's latex
If it does nothing, it's oil

But at this point, you've kind of got a mess, and you cannot "just paint over it" anyway
Regardless of why the paint is failing, the best fix is the same

Scrape an sand off any loose or questionable coating
Clean well
Prime with an oil-based primer
Top coat with a quality paint, preferable an enamel, your choice oil-based or waterborne

rk_king2004 02-21-2008 12:38 PM

First, get the door of the hinge and set it on a saw house and sand with 120 grit to open the paws in the wood, then dust away all the sanding and use a tach cloth to remove any extra dust, then prime and paint.
___________________
home interior painting

tverhoef 02-24-2008 02:39 PM

get some solvent denatured or laqure thinner whip area then get green sand paper the latex paint won't roll as bad when your sanding for you will still have some paint left on the case work. I live in CA and we don't need to use oil as much as in the East Coast and so I don't recomned oil but water base primer So just prim and paint.

Wood Butcher 02-24-2008 04:17 PM

is it a quality door, or just cheap hollow masonite? sometimes you are better off just picking a new masonite slab door from one of the homecenter (about $30). You'll spend that half of that in sandpaper, chemical cleaners, primer, tack cloth... not to mention time and cleanup

np2008 03-06-2008 04:36 PM

Thanks everybody who replied.

The doors are low quality I can replace them but the problem is the door frames. I'm trying currently sanding them, putting an oil based primer and will put a water based paint on it. I hope this will work. If not, I guess I'll go ahead and clean all the paint on it and will do the work again.

I know taking my chance maybe is not a smart thing in this condition but currently I don't have much time to do a lot work on these doors and door frames. I hope I'll have enough time later if/when this proves to be a bad idea.

End Grain 03-06-2008 06:03 PM

Reminds me of when latex paint is brush onto a painted enamel surface with no primer or sanding or undercoat. Peels off with your fingernail like a piece of dead skin off a sunburned armed or leg. :eek:


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