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Hilary 10-02-2012 01:50 PM

repainting interior door
 
Is there something I need to do to prep a door to be repainted, other than lightly sanding to scuffle it? It seems like whenever I repainted using semigloss, it eventually peels off like rubber... PLEASE HELP?!?

user1007 10-02-2012 02:04 PM

Well, have you used quality paint store paint in the past? You have not only sanded but made sure the surface was washed with something like TSP right?

If you suspect any potential adhesion problems you should prime the door first with either a solvent based alkyd or a high bond waterbased primer.

Then two coats of quality paint store finish should stick just fine.

chrisn 10-02-2012 04:42 PM

If it is peeling off, then you have not preped it properly and most likely painting latex over oil

Hilary 10-02-2012 05:20 PM

The paint was likely builders grade semi gloss.... Using Duron Emerald semi gloss to repaint...used a medium sanding block to scuff surface - is that coarse enough? I'm sorry, but not sure what TSP is...

ToolSeeker 10-02-2012 06:49 PM

One other thing make sure all the loose and peeling paint is gone. keep peeling till you can't peel no more. TSP is tri sodium phosphate probably spelled wrong it is a cleaner used by painters. It is a non sudsing cleaner and it deglosses a little. Someone else on here probably has a better definition. You can get it at the big box stores or almost any hardware or Wally World.

chrisn 10-03-2012 02:48 AM

Quote:

Originally Posted by Hilary (Post 1022263)
The paint was likely builders grade semi gloss.... Using Duron Emerald semi gloss to repaint...used a medium sanding block to scuff surface - is that coarse enough? I'm sorry, but not sure what TSP is...


Still should not be coming off, you must have done something wrong

Emerald is a SW product not Duron and will not stick any better if the surface is not prepped right

and finally

PREP the surface PROPERLY:whistling2:

user1007 10-03-2012 08:34 AM

The finer side of a 3M sanding block is fine. I always prepped with old-fashioned sanding blocks and 100 grit paper or same fitted paper for my orbital sanders.

user1007 10-03-2012 08:39 AM

Quote:

Originally Posted by chrisn (Post 1022222)
If it is peeling off, then you have not preped it properly and most likely painting latex over oil

If you face a latex over oil situation, an alkyd primer is the great equalizer and problem solver. I liked Benjamin Moore's Fresh Start but Zinsser Cover Stain will work out just fine too.


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