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Old 03-05-2018, 10:14 PM   #1
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Caulk Removal in Fiberglass Surround - Too Far?


I want to make sure I'm on the right train of thought here.

Removing the ancient moldy caulk from the previous owner. The bathtub and surround is fiberglass, but a two piece (bath and surround). The caulk is between the both.

Getting a lot of it out, it was pretty deep since it was going back. I've removed about half of it complete (front to back caulk) so it's empty in between the tub/surround. I'm jus wondering if I am removing too much and if this seemingly extra thick caulk is meant to be there for a reason vs. a standard bead.

Should I keep going and get it all out or stop where I am? Video attached:

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Old 03-05-2018, 10:32 PM   #2
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Re: Caulk Removal in Fiberglass Surround - Too Far?


Me, I would remove all the old caulk, and replace it with some of that " Flex- Seal", material that is meant to act as caulk.

Then finish it as a caulk: wet finger to smooth it, and get it looking great.

This rubberized stuff should seal, flex, and never mold again.

I was skeptical of the TV Swiftie's pitch, but tried it anyway, on an impossible place to repair, I had a choice of tearing it out, or using the flex-seal stuff.

The flex-seal is still holding 10 years later, and still looks fresh, even after hundreds of soakings in shower water.


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Old 03-06-2018, 07:02 AM   #3
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Re: Caulk Removal in Fiberglass Surround - Too Far?


Quote:
Originally Posted by WalkThisWhey View Post
I want to make sure I'm on the right train of thought here.

Removing the ancient moldy caulk from the previous owner. The bathtub and surround is fiberglass, but a two piece (bath and surround). The caulk is between the both.

Getting a lot of it out, it was pretty deep since it was going back. I've removed about half of it complete (front to back caulk) so it's empty in between the tub/surround. I'm jus wondering if I am removing too much and if this seemingly extra thick caulk is meant to be there for a reason vs. a standard bead.

Should I keep going and get it all out or stop where I am?
hopefully yours is not a unit that bolts together but regardless
I believe the entire seam was filled to help prevent a void
where water could become trapped and then be forced to
exit seam in unwanted or hidden places & cause water damage

IMO the seam should be cleaned & treated as possible for mold
& mildew with a proper cleaner/preventative & allowed to dry/cure

IMO the seam should also be cleaned to remove as much old calk residue
as possible, calking doesn't adhere well to old calk & or unclean surfaces

Peace
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Old 03-06-2018, 10:16 PM   #4
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Re: Caulk Removal in Fiberglass Surround - Too Far?


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Originally Posted by DR P View Post
hopefully yours is not a unit that bolts together but regardless
I believe the entire seam was filled to help prevent a void
where water could become trapped and then be forced to
exit seam in unwanted or hidden places & cause water damage

IMO the seam should be cleaned & treated as possible for mold
& mildew with a proper cleaner/preventative & allowed to dry/cure

IMO the seam should also be cleaned to remove as much old calk residue
as possible, calking doesn't adhere well to old calk & or unclean surfaces

Peace
Just what I wanted to hear! Yes that was my goal but I was afraid that all of the caulk acting as a physical bottom support vs. water barrier. I'll keep pluggin away at this removal
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Old 03-07-2018, 06:51 AM   #5
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Re: Caulk Removal in Fiberglass Surround - Too Far?


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Originally Posted by WalkThisWhey View Post
Just what I wanted to hear! Yes that was my goal but I was afraid that all of the caulk acting as a physical bottom support vs. water barrier. I'll keep pluggin away at this removal
as long as you pump/put back as much calking as possible to prevent voids;
your new calk should serve as fix for both support and water barrier IMO.

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My comments towards your questions & concerns are based on my work history, knowledge, & past experiences; they are my opinions given freely in hopes they truly help/bless U. That said, if U don't consult with & or hire a licensed professional locally, then please don't blame me when You DIY... Bottom line - Safety 1st & Always; got that???
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