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Old 11-22-2015, 01:29 PM   #1
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What kind of caulk is this?

I removed the original bus windows to clean and reseal them. Most of the original weatherstripping has been replaced by caulk. I'd like to replace it with something similar, since so far it has been effective in preventing leaks, and it still allowed me to remove the windows, which might be necessary in the future.

Here's a picture:


It's gray, still flexible, and not as messy as the tarry black sealant that lined the floors. Any idea what kind it is?
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Old 11-22-2015, 02:42 PM   #2
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Looks a lot like plumber's putty(?)
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Old 11-22-2015, 03:27 PM   #3
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I think it's butyl caulk. Ours looked like that also. We reinstalled all our original windows with Dicor butyl tape and it seemed to be the material.
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Old 11-22-2015, 03:40 PM   #4
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Thank you for the replies!

Quote:
Originally Posted by Tango
Looks a lot like plumber's putty(?)
It does--especially the kind that's like tape. But I noticed places where it was applied in a squiggling pattern, like you make with a tube, which the putty wouldn't do.

Quote:
Originally Posted by TheLovelyBus
I think it's butyl caulk. Ours looked like that also. We reinstalled all our original windows with Dicor butyl tape and it seemed to be the material.
I've never used butyl caulk before, but this sounds spot on as I read more about it. Thanks for the rec on the tape; that would be much easier than cleaning up after caulk.
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Old 11-22-2015, 07:18 PM   #5
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Quote:
Originally Posted by phoenix View Post
I removed the original bus windows to clean and reseal them. Most of the original weatherstripping has been replaced by caulk. I'd like to replace it with something similar, since so far it has been effective in preventing leaks, and it still allowed me to remove the windows, which might be necessary in the future.

Here's a picture:


It's gray, still flexible, and not as messy as the tarry black sealant that lined the floors. Any idea what kind it is?

Looks like old chewing gum the kids left behind. You should have been wearing rubber gloves.
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Old 11-22-2015, 08:36 PM   #6
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Quote:
Originally Posted by crazycal
Looks like old chewing gum the kids left behind. You should have been wearing rubber gloves.
hahaha, it really does. And looking at my hands, rubber gloves are probably a good idea when doing anything bus-related!
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Old 11-23-2015, 07:54 AM   #7
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check on Amazon for rv butyl tape

here BUTYL TAPE

This is what is "normally" used for hatches, windows etc
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Old 11-23-2015, 05:00 PM   #8
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Quote:
Originally Posted by bansil
check on Amazon for rv butyl tape

here BUTYL TAPE

This is what is "normally" used for hatches, windows etc
Thanks! I'm going with the first one on the list, the Dicor tape TheLovelyBus recommended.
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