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Old 03-06-2013, 09:02 PM   #31
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Paintable caulk bubbling and "rising" under a professional spray?


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Originally Posted by ric knows paint View Post
Not that he needs any help in this discussion, but I kinda gotta agree with JSheridan on this one...To me it looks as though something has wicked up beneath the caulking causing the wrinkling and blistering.

You didn't say it was happening all over, is it possible the areas affected are where a too thin a film of caulk was left on the surface after smoothing with your finger and wet rag? ...and the wet rag you're using to smooth out the bead with, is it wet with water or with thinner? If with water, that may be part of the problem - while, personally, I kinda like Dap Caulks (Alex & Alex Plus), I'm not sure I would've chosen this 3.0 for this application - even though it says it's paintable within 30 minutes. There are enough resin and solvent differences between the finish paint and caulk to make me a little uncomfortable with this system.

As far as painted cabinets go, they are most certainly paintable. And a good paint job can look great on painted cabinets (even maple, birch, etc.)...I painted my cabinets with a water-borne system 13 years ago (stained and finished birch) and they still look great.
Hi Ric. Too thin of the film could be possible as well. I tried to wipe and squeeze out any excess caulk from the gaps but doing 16 doors in a basement it's obvious there was some left on. Out of 16 doors, about 11 of them exhibit the problem to varying degrees. It certainly isn't happening along every inch of every door. Some doors have the tiniest bit in 1 spot, others have a few inches at various places along the edges, and some have more, perhaps 6 or 7 inches in length. Then the next inch the edge could look flawless. Some may say this isn't an issue one would notice at all but I'm a perfectionist.

The rag was wet with water and I went through 4 clean new rags and 4 fresh buckets of water.

Here is a picture of the doors and drawers before I took a couple down to repair. They appear more yellow and blue than in person due to the lighting and the iPhone picture quality. We love how they look and it's not until you get about 3 feet away at eye level and look closely and purposefully that you can see the bad areas. We are very happy with our choice to paint the cabinets white so I hope no one took this thread as anything but me curious about why this happened and some options for repairing it.

Thanks Ric.
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Last edited by shiftlft; 03-06-2013 at 09:04 PM. Reason: Color clarification
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Old 03-06-2013, 10:17 PM   #32
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Paintable caulk bubbling and "rising" under a professional spray?


I think the pics look great, man...nice looking kitchen. I'm going to go back to one of my earlier statements about the rag & water - this may be a stretch, but maybe not...Dap 3.0 claims the resin to be an advanced polymer, borne in solvent (and evidently silicone-free) - their tech sheet states the surface must be dry prior to application and un-cured excesses be cleaned up with mineral spirits. Since water won't dissolve the caulk, it also won't remove the excess...but the introduction of water, at this stage, could (a) disrupt the caulk's ability to cure properly, and/or (b) possibly wick beneath the caulk film, creating a barrier the caulk cannot adhere to.

So, why did this only happen after the 2nd coat? Who knows. It may have happened within a few days after the first coat was applied anyway (as acrylics will shrink dramatically during their cure cycle), but the second coat was applied before it showed up...or it could be that just the weight and additional stress of twice the millage (2 coats vs. 1 coat) caused a thin caulk film, that perhaps had experienced an interruption to curing, to lift and blister.

Disclaimer: None of this should be considered definitive, and all suggestions to the actual causes are base solely on SWAG theory.

Good luck to you.
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Old 03-07-2013, 03:25 AM   #33
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Paintable caulk bubbling and "rising" under a professional spray?


SWAG, also an estimating concept. A seriously wild a$$ guess. As opposed to a WAG.
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Old 03-07-2013, 03:31 AM   #34
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Paintable caulk bubbling and "rising" under a professional spray?


Yes, nice job shift, nice looking kitchen.
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Old 03-07-2013, 09:50 AM   #35
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Paintable caulk bubbling and "rising" under a professional spray?


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SWAG, also an estimating concept. A seriously wild a$$ guess. As opposed to a WAG.
Please. Scientific Wild Ass Guessing...
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Old 03-07-2013, 10:51 AM   #36
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Paintable caulk bubbling and "rising" under a professional spray?


If it was goverment work it would be called plausible deniability..

Cabs look good from here though! I am also in the yes you can paint any wood cabs. There is just a difference in look. Oak will not look like birch etc.
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Old 03-07-2013, 08:35 PM   #37
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Paintable caulk bubbling and "rising" under a professional spray?


Hey Shift,
just reading this thread and was curious. What kind of sprayer did the painter use, airless, hvlp, etc.?
Mike Hawkins

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