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Aft Canopy Sealant Alternative

RV 14 Grinder

I'm New Here
Plans call for fuel tank sealant to be applied during final installation. Any alternatives that anyone has used? Silicone? 3m 4200?
I was wondering if a bonding component was required or a simple seal was all that was needed.
Any insight, experiences or suggestions welcome.

Cheers
 
I’ve seen BostiK 1100FS polyurethane used.
 

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Plans call for fuel tank sealant to be applied during final installation. Any alternatives that anyone has used? Silicone? 3m 4200?
I was wondering if a bonding component was required or a simple seal was all that was needed.
Any insight, experiences or suggestions welcome.

Cheers

Eric at Van’s builder support told me than Van’s uses 3/4” foam tape
 
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