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Old 05-20-2019, 10:06 PM   #1
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Tacky paint, what are the causes?


I've been painting my garage doors for the past few days, been using a spray gun. Two coats of Glidden "Gripper" grey primer, let 24 hours between coats. Painted first coat of paint, Behr Alkyd Satin Finish yesterday and today applied 2nd coat. There were two panels that were previously separated from the rest of the doors, and I let them dry in the basement as the forecast said it might have some thunderstorms. Temperature in NC today was around 89 and humidity around 45%. After about 6 hours, the paint on those panels were tacky, to the point where my skin would stick to it. What are the probable causes and how can I fix it? I was thinking in using a big air mover that I have to see if it helps. Tomorrow will be a sunny day and maybe if I let it out in the sun might help? Any feedback will be greatly appreciated. Thanks.
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Old 05-20-2019, 10:43 PM   #2
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Re: Tacky paint, what are the causes?


Too thick a coat, too little time given the atmospheric conditions. Better paint might have helped as well.
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Old 05-21-2019, 12:42 AM   #3
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Re: Tacky paint, what are the causes?


Putting them out in the sun might do it.

I learned on here [the hard way] that exterior grade paint doesn't dry as "hard" so that it can deal with temperature variations across the seasons (freezing in the winter, baking in the summer, etc.)

I'd painted all the interior trim and some of the doors upstairs with exterior gloss white, the stuff is still tacky three years later so I'm probably going to have to strip it all down and re-do it >.<
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Old 05-21-2019, 04:28 AM   #4
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Re: Tacky paint, what are the causes?


Setting them in the sun may help. Slow drying is usually a cross between poor drying conditions and the type/brand of paint used. Contaminates on the substrate can also affect the drying time.
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Old 05-21-2019, 06:01 AM   #5
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Re: Tacky paint, what are the causes?


Its an alkyd. Its gonna be tacky for a while, even a day or two. Theres no getting around it.
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Old 05-21-2019, 07:35 AM   #6
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Re: Tacky paint, what are the causes?


behr.
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Old 05-21-2019, 10:30 AM   #7
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Re: Tacky paint, what are the causes?


We've been using Behr deck stain for years, and the last time we "painted" for a refresh, the stain stayed tacky for weeks. HD replaced the 5-gallon bucket, and we waited a month or so before topping it off with another coat. Now, here we are 2 years later, and every time it rains, the deck surface still feels almost tacky.... and this is true for the unexposed surface under the screened in deck area as well! Its all in need of another refresh at this point, but we are NOT going to strip and sand! We are just going to top it lightly and call it done, and hope it turns out OK.
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Old 05-21-2019, 10:33 AM   #8
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Re: Tacky paint, what are the causes?


Behr has a long history of being tacky for extended periods. You can read all about it online in hundreds of places if you are willing to look.
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Old 05-21-2019, 10:45 AM   #9
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Re: Tacky paint, what are the causes?


Any potential solution for a top coat over the Behr?
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Old 05-21-2019, 10:46 AM   #10
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Re: Tacky paint, what are the causes?


So it might be the Behr in our case too, that's what I unwittingly used on my interior trim >.<

Although I haven't had the problem with my exterior stuff and Behr... Garage doors, porches, siding, and trim work are all done and dry to non-tacky. Our low humidity maybe? Or maybe because we bake in full sun basically 20hrs a day all summer. The house siding is dark brown and regularly reads higher than 100*F no one around here touches the house in the summer lol
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Old 05-21-2019, 12:18 PM   #11
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Re: Tacky paint, what are the causes?


Quote:
Originally Posted by F250 View Post
Any potential solution for a top coat over the Behr?
no. it would probably crack over time.
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Old 05-21-2019, 03:49 PM   #12
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Re: Tacky paint, what are the causes?


The Behr Alkyd isnt a bad paint. Its totally different from the deck stain, so dont compare the two. Behr Alkyd is a poor mans advance, and advance takes a while to cure too.
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Old 05-21-2019, 04:29 PM   #13
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Re: Tacky paint, what are the causes?


We've had good success from the higher cost interior Behr paints. The exterior stain also did very well for about 6 years (3 efforts at re-topping every two years). It was the fourth batch which went awry.
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Old 05-22-2019, 11:20 PM   #14
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Re: Tacky paint, what are the causes?


Just a quick update:

I checked again the next morning and the tackiness has reduced significantly. But it took probably 20 hours for the paint to dry to the touch. As the day was hot (about 89F yesterday), I left them to bake in the sun for another 4-5 hours and they turned out fine.

I read the comments above about Behr paints and will keep that in mind next time.
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Old 05-23-2019, 02:13 PM   #15
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Re: Tacky paint, what are the causes?


\o/ Good to hear your's dried!
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