indoor paint to outdoor paint


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Old 02-07-09, 08:56 AM
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indoor paint to outdoor paint

I have a boat load of indoor paint that was given to me. I'm doubtful but is there any way to add something to this paint to make it usable outdoors? It is latex and high quality paint from Shewin Williams. (their Duration brand) It is Satin. Also, if there is a way to make it outdoor paint, can it be used on a primered cinder block building?

If it CAN'T be modified to be used outdoors, how long might it last if I did use it outdoors? Or is that absolutely positively a no way?
 
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Old 02-07-09, 01:11 PM
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Basically interior paint is not formulated to withstand the conditions from being outside.One biggie is UV rays from the sun but weather conditions are also an issue.

There are no additives that I know of to convert it for exterior use.I suspect it would break down fairly qickly.As a primer under exterior paint it might help seal up the pores of the block but I'm skeptical of doing it.
 
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Old 02-07-09, 03:35 PM
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Thank you. I knew outdoor paint was made for weather conditions but figured it never hurts to ask. Guess I'll paint my interior over and over and over and over again!!! LOL
 
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Old 02-07-09, 03:42 PM
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In the southern states you can get by with using interior latex as a stucco primer or an intermediate coat on block [block needs blockfill primer first] I used to work for a contractor in fla that used up all his scrap interior paint as stucco primer. For the cheap paint jobs we were contracted to do - it made a decent job. I don't know if the same results can be had in a colder climate.

You will still get a better job using the correct coatings!!!
 
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Old 02-07-09, 11:56 PM
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Thank you Mark! I don't think I'm quite south enough, but GOOD to know!!!
 
 

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