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Old 02-06-2018, 09:09 AM   #1
GHR
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CBP Polyblend matching caulk fail - what the heck did I do wrong?

I'm posting this here. I think pros might have insight.

So I am nearly done with the vanity and backsplash project. Ditra over plywood. Kerdiband behind first 3" of the backsplash. Using 1/16" grout lines with wall tiles that have integrated spacers. Here is the last post from the main project but that is all but done this is a different issue: http://www.johnbridge.com/vbulletin/...4&postcount=74

Before I grout those 1/16" grout lines (knowing that grout tends to get into and be hard to get out of grout lines so small) I decided to caulk first in the corner and deck/backsplash with Polyblend color matched sanded caulk.

In my previous experience with this caulk in my tub surround it was not very good mainly because the tubes continue to dispense even when pressure from the caulking gun is removed making a tremendous mess!

I taped off both sides of the space with blue easy-release painters tape. The bead was lumpy as can be. Terrible looking from the tube. I smooth it out with my finger so it was not all lumpy pressing much of it against the tape.

This was around 6PM yesterday evening. This morning 14 hrs later I removed the tape, but the caulk is still wet enough to be tacky and much of the caulk ALSO came away from the space with the tape! It looks terrible. I tried to gently cut what was on the deck away and it stuck like glue to the razor.

I've used silicone II caulk and done similar method or even used no tape and it looks better than this. And it wasn't tacky over 12 hrs later. Is that normal for this "siliconized" caulk to be tacky so long after being set?

So what the heck did I do wrong? And why is CBP Polyblend Caulk such crap!?

What do I do to get this junk out of the space where it is?
How do I NOT fail in putting caulk in that space? If I get the caulk out
should I just grout it?
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Old 02-06-2018, 09:23 AM   #2
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I'm moving this Henry. Pros answer questions in the Advice Forum also.
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Old 02-06-2018, 09:35 AM   #3
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Okee dokie...

Just thought I might have someone see it faster.

I might have a time limit on the drying time of what is left in there.

Any advice from the big Kahuna?
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Old 02-06-2018, 09:48 AM   #4
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Sounds like you got an old tube of caulk. Is there a date anywhere on the tube?

I would recommend using a color matcjed 100% silicone anyways. Color Rite has matching colors for everything. They have a sanded version, but it's still pretty shiny, I prefer their satin finish.

http://colorriteinc.com/color-sil
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Old 02-06-2018, 09:51 AM   #5
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I went looking for more information on drying time of this caulk and even their datasheet doesn't specify a dry to touch time.

Only says cure is 24 hrs for water exposure.

Must be I pulled off the tape too soon.

But wow caulk that takes 24 hrs to dry to touch?

CBP looks to pitch most of their stuff on YouTube but no video of this stuff.
I wonder why?
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Old 02-06-2018, 09:56 AM   #6
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If I'm using tape, I pull it off immediately after caulking.
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Old 02-06-2018, 09:59 AM   #7
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Question

Quote:
HS345 Sounds like you got an old tube of caulk. Is there a date anywhere on the tube?

I would recommend using a color matched 100% silicone anyways. Color Rite has matching colors for everything. They have a sanded version, but it's still pretty shiny, I prefer their satin finish.

http://colorriteinc.com/color-sil
I just bought this tube yesterday afternoon. There are two codes. One is the model code I think. Says CODE 62243/380 ART REVISION 4/14. 380 is the model of the Haystack color. Then there is a printed code which I presume is what would be the date code 17333RD02001

I would not be surprised if it's outdated stock but I cannot read that code. I've had problems with Lowes selling old-expired thinset back when I was building my shower about 10 yrs ago.

Where would I get Color Rite? I really want this done while I have momentum to finish. My indoor projects tend to take ages if I let them sit.
This has been a record short time of only 3 weeks. :P
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Old 02-06-2018, 10:02 AM   #8
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I tried removing the tape last night, but that picture of the left edge (last photo above) was actually the partial result of my attempt. The stuff was too tacky so I put the tape back and stopped figuring it needed more time. Today I just yanked it all off not really thinking it would still be tacky.

Seems this caulk likes to stick to tape. And the tape dragged the stuff out of the spaces. That was what was happening last night.
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Old 02-06-2018, 10:08 AM   #9
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I think the manufacturing date is November 29th, 2017.

"17333" would be day 333 of 2017.
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Old 02-06-2018, 10:10 AM   #10
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When I say I remove the tape immediately, I mean IMMEDIATELY. While the caulk is still wet.

From those numbers it looks like the manufacturer date is 4/14, definitely old.

Unfortunately the Color Rite has to be ordered. Shipping is very fast, I usually have it here in Ohio within two business days. They are out of Oklahoma.
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Old 02-06-2018, 10:12 AM   #11
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If that is right then it's far from being old...

Would it be safe to say I'm unsatisfied enough that Home Depot would take this tube back for refund? Anyone know if Home Depot caters to CBP enough to s
I could show them the photos of this too tacky caulk problem now 16 hrs later...
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Old 02-06-2018, 10:21 AM   #12
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Home Depot will definitely take that back. Just tell them it's bad, lumpy. Date of mfg is moot, it's bad. They will even take it back without a receipt, but only for store credit.
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Old 02-06-2018, 10:25 AM   #13
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If I had removed it immediately it was just sticking to the tape and would have ended up all over the place. When I say this stuff was messy that might not be even a 1/10000th % of the correct word.
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Old 02-06-2018, 10:30 AM   #14
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OK. Now hth do I remove this stuff?

I just tried my thin blade and it's sticking like stretched gum as I try to dig at it. Do I need to try to let it fully set then try to dig it out?


Worst part is it worked OK in the upper part of the corner. Photo.

That is literally the only area where it did not stay tacky wet.

It's also the thickest layer of it and widest area. I pressed on it though and it's soft as mush But if I were to leave that be it would be good. But near the bottom half it did same as everywhere else and pulled with the tape.
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Old 02-06-2018, 10:52 AM   #15
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Question

Just got off a tech support "chat" with CBP...

The date is last quarter of 2017 so that is fine.

What I'm entirely unsatisfied and I will be returning this junk over is their claim it take
3-4 DAYS to dry in cold or humid conditions. And it's "normal".

I'm in Houston, Texas. It's 68 bloody degrees here in February. It's humid but usually dry enough inside my house that my
thermostat complains of low humidity. The warning is set for humidity under 70% so it's DRY inside here.

There is nothing on their container,in their tech sheet or anywhere else that states this
3-4 days. I did not finish the chat in complete disgust.


So how do I remove this stuff and replace it with something that is not going
to be tack wet a 16 hrs later?
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