water proof sealer that doesn't glue parts together

Submitted: Friday, Apr 17, 2009 at 07:49
ThreadID: 67922 Views:2244 Replies:5 FollowUps:5
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Hi Guy's I have some submersible lights for my boat trailer (my second set) anyway these I didn't crack when I tightened the 6 screws to the clear so called water tight cover.

Thing is just like the 7 year old set the plastic cover has already cracked just by road vibration I suspect (only one use)

Anyway what I am wanting is a flexible non setting sealer I could use to help the rubber ring keep the water out. I have tried Vaseline but thats a bit thin need something a bit thicker.

Any ideas?

Thanks Justin.
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Reply By: turbopete - Friday, Apr 17, 2009 at 08:01

Friday, Apr 17, 2009 at 08:01
I often notice that if I use vaseline something thicker would be better ,,cant find a way to get it thicker but will keep trying ho hum
AnswerID: 359932

Reply By: austastar - Friday, Apr 17, 2009 at 11:40

Friday, Apr 17, 2009 at 11:40
When replacing the overcab window in our campervan the glazier advised sealing it with Selly's No More Gaps, as it would seal and not glue the window in permanently.
cheers
AnswerID: 359958

Follow Up By: Roughasguts - Saturday, Apr 18, 2009 at 05:39

Saturday, Apr 18, 2009 at 05:39
Thanks mate.
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FollowupID: 627973

Reply By: Ozhumvee - Friday, Apr 17, 2009 at 11:48

Friday, Apr 17, 2009 at 11:48
I've used selleys wet seal with success on a variety of things that it wasn't designed for. While it does go "off" it stays very rubbery and can be separated down the track. It will eventually reach the stage after a few years that it will need a bit of persuasion with a stanley knife or similar but still comes off.
It can also be painted unlike silicone.
Peter
1996 Oka Motorhome

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AnswerID: 359960

Follow Up By: Member - Allan B (QLD) - Friday, Apr 17, 2009 at 12:21

Friday, Apr 17, 2009 at 12:21
The clue is to use a silicone sealant but wipe a film of oil or grease over one face before applying the sealant to the other face. Then join the two parts normally. The oily face prevents the sealant from sticking and can be easily disassembled.

This technique also works with No More Gaps.

Paintable silicone sealant is readily available if needed.

Cheers
Allan
Cheers
Allan

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Follow Up By: Roughasguts - Saturday, Apr 18, 2009 at 05:42

Saturday, Apr 18, 2009 at 05:42
Thanks Ozhumvee, I might go down that route yet.

Not a bad idea there Allan, pretty obvious so why didn't I think of it, and the Vas is already smeared on there.
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Reply By: Member - Shane D (QLD) - Friday, Apr 17, 2009 at 19:20

Friday, Apr 17, 2009 at 19:20
Mate,
spend the coin and get LED's, once mounted they never need maintenence, 100% waterproof, just don't cut the cable too close to the light, join the wires as far away from the rear as possible.
Shane
AnswerID: 360050

Follow Up By: Roughasguts - Saturday, Apr 18, 2009 at 05:46

Saturday, Apr 18, 2009 at 05:46
Thanks Shane the jury is still out for me on LED's for the boat trailer apart from some leds I hear are still burning out before there time there is still wicking of the internal wiring. And worse theft at boat ramps.

But I will get them eventually when the price comes down and everyone has them, Cheers.
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FollowupID: 627975

Reply By: Member - Mike DID - Saturday, Apr 18, 2009 at 08:44

Saturday, Apr 18, 2009 at 08:44
Lanolin Grease is one of the most waterproof greases around and it won't affect plastics the way petrochemicals do.

Sheep spent centuries developing it.
AnswerID: 360102

Follow Up By: Roughasguts - Saturday, Apr 18, 2009 at 09:01

Saturday, Apr 18, 2009 at 09:01
Thanks Mike, Hmmm how thick is lanolin grease does it get runny in the heat?
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