02:34PM | 10/07/13
Had a certain unmentionable named store mix us some exterior paint samples. We had them make us a few gallons of exterior paint and primer and one. When we ran out of those first 3 gallons we had them make us a lot more. Now that we are almost done painting the house down to the last gallon I notice the outside Of the paint can says interior paint!!!!!!!! Which means we painted 90% of the outside of our house with interior paint because of their mistake and me not noticing it. It is latex water-based paint, Painted on the wood and stucco. We live in sunny Southern California.
Now what do we do?


01:14PM | 10/09/13
The chemical difference between interior and exterior latex paints is minimal, and the primary variant is the amount of pigment with exterior having a lot more. For the stucco portions of your house, latex paint is the appropriate choice and the greatest detriment your accidental paint formula will experience is fading color. If you decide to paint it again in the future, never use oil based paint on top of latex. It will flake off because latex breathes and oil does not. For the exterior wood, since it expands and contracts readily, the paint may peel off sooner than you'd like, in which case, it will come off easily and the surface can be repainted. Again, the more likely result will be the color quickly fading.


02:10PM | 08/09/14
I believe you have it wrong. You can't paint latex over oil, the latex will start peeling if bumped.


07:28PM | 08/12/14
I think it should be ok. it just wont last as long. I'm sure it is aggravating. [url=]painting[/url] is an art, and using the right paint is an art! lol


05:43PM | 04/26/15
It's been over a year since you've had this problem (interior paint used on exterior). How does it look now? I have the same problem but a much smaller scale.


12:24AM | 09/18/15
well your post is old news now, however here's some expert knowledge...exterior paint is designed to withstand the elements better, so I would have just run a quick coat of exterior over the interior paint you applied, and as long as the prep/ priming was done correctly there wouldn't be a problem: the interior paint would bond and cure to the material, then the exterior paint would bond to the interior paint and it would have the extra protectants...if the paint job still is in good shape I would still run a coat of exterior paint over it.
Oil base...never ever ever ever ever ever ever ever ever ever ever ever use it!!!! I hope I was clear. Back in the day oil used to contain lead so it was "da bomb", now it's just a pain in the ass, and w/ technology in paints and primers theres no reason to use oil...that being said you can put oil on top of anything, even latex paint, and it will stick...(if it wouldn't then why would they have oil base primers like kill..and oil base primer is the only thing that will seal a stain out) CANNOT put latex on top of oil UNLESS you actually used an oil base primer like kill 1st otherwise it peel off in a heart beat


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