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wilson 5000 roof mount install sealer needed?

JCunningham17

New Member
Jan 14, 2020
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do i have to use some silicon under and above the gasket. seller said no but figured id ask. im thinking good insurance. silicone grease or rtv?
 
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If it's like my Sirio mount it shouldn't need any. The Sirio mount on my car was on there 9 years and didn't leak.
 
Part of me wonders if the reason people thought they needed sealant was they over-tightened the mount when installing it and split the rubber seal. You see it a lot with rocker cover gaskets on cars where a mechanic will keep on tightening that nut/bolt until it can no longer move resulting in the inevitable leak from the split gasket.
 
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do i have to use some silicon under and above the gasket. seller said no but figured id ask. im thinking good insurance. silicone grease or rtv?
I use silicone grease like dielectric grease, (not silicone rtv sealant). Just coat the rubber gaskets, o-rings or whatever gasket you have and a little on the metal surfaces and it'll waterproof it really nice. That's what I've used for years in car accessory wiring that go through firewalls roofs etc. Never had a leaker yet
 
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