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-   -   Priming interior wall repaints (http://www.diychatroom.com/f4/priming-interior-wall-repaints-15602/)

dyier 01-14-2008 05:31 PM

Priming interior wall repaints
 
When is it necessary and when is it not necessary to prime interior walls you are repainting?

Dougit 01-14-2008 06:09 PM

Painting interiors with primer
 
I've been painting alot of rooms lately and the only time a wall was primed was after a patch had dried. Using drywall compound priming was a must. Because blistering bubbles under new paint would show up if not used over the patch. Using good paint makes a difference. Not using a primer will show new patch work if a Satin or Semi Gloss is used. I Like SW or BM paints the best.

mandisaur 01-14-2008 06:52 PM

Doesn't it depend on the type of wall it is, too? I was always under the impression drywall should be primed as a rule of thumb, but I'm not aware of how it is for other surfaces.

slickshift 01-14-2008 08:10 PM

Quote:

Originally Posted by dyier (Post 88485)
When is it necessary ....to prime interior walls you are repainting?

Very rarely
Raw wood and drywall, raw joint compound, mostly found in repairs in re-paints
Sealers may be needed for stains
Oil paints need primer if going over with latex
Glossy paints should have it after sanding...especially in bathrooms
Extreme color changes could be a reason
Mostly problem areas, like a wallpaper removal, or chalky or flaking old paint, those would need a specialty primer

Quote:

Originally Posted by dyier (Post 88485)
and when is it not necessary ...to prime interior walls you are repainting?

Most basic color re-paints over good condition previous latex paint do not require primer
They need proper prep, which includes cleaning, sanding, and dusting
But not primer


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