Can I use a siliconized acrylic caulk to paint over silicone caulk?

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Old 10-09-18, 03:18 PM
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Can I use a siliconized acrylic caulk to paint over silicone caulk?

Have some messy silicone caulk lines around the top of my shower tiles. Wondering if a siliconized acrylic caulk will stick to it well enough to then paint over it?

Another idea is zinsser 123 primer. Anyone tried it over silicone?
 
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Old 10-09-18, 04:01 PM
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Nothing is going to stick to that silicon, better just get the tools out and start removing.

BTW, as you obviously have found, using silicone in a shower is a mess, the siliconized caulks with micro band are the correct caulks to use!
 
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Old 10-09-18, 04:07 PM
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The correct answer is that you need to use BIN pigmented shellac to prime 100% silicone. Sometimes 2 coats. Then it can be painted.
 
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Old 10-11-18, 04:00 AM
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What is your definition of messy caulk? If it's messy the odds are paint won't fix it although as X stated a coat or two of pigmented shellac will make the silicone caulk paintable. Unless paint alone would make a big improvement I'd do like Marq suggested and cut out the silicone and recaulk it neatly.
 
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Old 12-01-18, 06:03 PM
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yes it will work. I do it all the time when I am painting
 
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