What is this wonderful goop? - Fiberglass RV


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Old 05-20-2020, 02:03 PM   #1
Nik
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What is this wonderful goop?

Can someone please identify this wonderful sealant which I had such an easy time removing? It's sealed well, but comes up very easily. I love it and I want to get more before replacing this vent. Thanks!
Here's a 10 second video to show the consistency of this stuff.
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Old 05-20-2020, 02:04 PM   #2
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I get a 404 error on the video, but if it's the gray stuff, that's Butyl.
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Old 05-20-2020, 03:50 PM   #3
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Shop for Butyl Rubber Sealant Tape.

As you've seen, it remains flexible and adheres well. It's used to seal windows, air conditioners, vents and other items that penetrate the shell.
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Old 05-20-2020, 03:51 PM   #4
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I get a 404 error on the video, but if it's the gray stuff, that's Butyl.
Or could it just be plain old putty tape, which is also gray. Donna, is it correct that butyl will stretch out but the putty tape just breaks?
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Old 05-20-2020, 07:38 PM   #5
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Thank you all.

I found the butyl tape under the flange of the fan.

This stuff I'm removing is poured or squirted on and spreads out. It's too organically formed to be a tape.
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Old 05-20-2020, 09:16 PM   #6
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It might be Tremco Butyl Sealant, available in three colors including "Aluminum Stone".

https://www.tremcosealants.com/marke...butyl-sealant/

Try looking for Butyl Sealants or Butyl Caulk. There's a lot of products out there.

On edit: add -tape to the text in the search reduce the number of hits on tape products.
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Old 05-21-2020, 06:19 AM   #7
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Could be Dicor self leveling lap sealant. Comes in various colors.
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Old 05-21-2020, 09:43 AM   #8
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sealer

It is called lap and joint sealer any rv shop will have it. it is self leveling works great.
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Old 05-21-2020, 12:18 PM   #9
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Could be Dicor self leveling lap sealant. Comes in various colors.
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It is called lap and joint sealer any rv shop will have it. it is self leveling works great.
I'm glad to see that some people answering questions here actually know what they are talking about, unlike me!
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Old 05-21-2020, 01:39 PM   #10
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Thanks!

Sure looks like Dicor's Lap Sealer. Thanks for your help.
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