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What’s the best way/product to bed u-track when screwing it to fiberglass hard-top?

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What’s the best way/product to bed u-track when screwing it to fiberglass hard-top?

Old 11-27-2020, 11:23 AM
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Default What’s the best way/product to bed u-track when screwing it to fiberglass hard-top?

Couple options: butyl tape, 3m double sided tape, 4200, 5200(probably not a top choice!) ??..

Could only find one other thread on here about this and it was a short one!
thanks in advance😎
Old 11-27-2020, 02:49 PM
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So you are trying to prevent moisture intrusion into the hardtop, right? So a good quality sealant, like 4200. You don't need adhesion, so not 5200. Tape won't help much.
Old 11-27-2020, 04:27 PM
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I’ve had great luck with white butyl tape,
use it more and more now.
bedded all my pilothouse windows with it.
works very good.
don’t handle/apply it in direct sun or extreme heat!
super sticky. Also don’t over-tighten it.
Evenly snug it all up and if you can keep snugging it up over a couple hours.
or next day.
Old 11-28-2020, 01:37 PM
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Originally Posted by 74lbSteve View Post
So you are trying to prevent moisture intrusion into the hardtop, right? So a good quality sealant, like 4200. You don't need adhesion, so not 5200. Tape won't help much.
like to use it for seal and to primarily lighten the load on the screws, lot of stress on those curtains at speed.
Old 11-29-2020, 05:55 PM
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Here use this for all your sealant selection issues:

https://www.youtube.com/watch?v=G-aQzoHqM80

https://www.youtube.com/watch?v=GnQG7eUyHxU



Assuming you will screw it in and not need strength. Would probably use this stuff. Have had very good results on this in right application.

https://www.homedepot.com/p/Loctite-...6891/206156418

Last edited by Xcomunic8d; 11-29-2020 at 06:06 PM.

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