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Hull cover leakage #288699
03/31/18 08:50 AM
03/31/18 08:50 AM
Joined: Jun 2012
Posts: 93
The Netherlands
Arjan13 Offline OP
journeyman
Arjan13  Offline OP
journeyman
Joined: Jun 2012
Posts: 93
The Netherlands
Hello all,

Just a short question I know some of you can answer probably quite easy.

Untill the day we find ourselves a new Infusion we sail on our old Inter18. As the boat is getting old we have decided to do a larger service to the hulls. We will grind some damages and put in New gelcoat, waterfront the full gelcoat and polish and so on.

However we also have some leakage at the hull covers. We always found the leak with some soap and filled it with silicone, but that is not really a long lasting solution.

Is there something else we could use?

-- Have You Seen This? --
Re: Hull cover leakage [Re: Arjan13] #288700
04/01/18 04:47 AM
04/01/18 04:47 AM
Joined: May 2006
Posts: 1,342
Kingston SE South Australia
JeffS Offline
veteran
JeffS  Offline
veteran
Joined: May 2006
Posts: 1,342
Kingston SE South Australia
If you can get rid of all traces of silicone, Marine grade Sikaflex is awesome but it won't stick on top of silicone


Jeff Southall
Nacra 5.8 1667 Ram Raider
Nacra 18 Square
Taipan 5.7 134
Arrow 1576
Re: Hull cover leakage [Re: Arjan13] #288704
04/03/18 01:52 PM
04/03/18 01:52 PM
Joined: Jun 2001
Posts: 420
Toledo, Ohio (western end of ...
Mike Fahle Offline
addict
Mike Fahle  Offline
addict
Joined: Jun 2001
Posts: 420
Toledo, Ohio (western end of ...
Here is a chart from 3M of marine sealants to make it easy to choose the best one for your application. This is just 3M but these are all good.

See: http://solutions.3m.com/wps/portal/...GeneralBoatRepairs/SealantAdhesiveGuide/

Re: Hull cover leakage [Re: Arjan13] #288706
04/04/18 10:32 AM
04/04/18 10:32 AM
Joined: Mar 2009
Posts: 895
Solomon's Island, MD
S
samc99us Offline
old hand
samc99us  Offline
old hand
S
Joined: Mar 2009
Posts: 895
Solomon's Island, MD
Remove and re-seat with 3M 4200. You want to use a removable sealant as eventually it will fail.


F18 Infusion
Re: Hull cover leakage [Re: Arjan13] #288711
04/06/18 03:47 AM
04/06/18 03:47 AM
Joined: Jun 2012
Posts: 93
The Netherlands
Arjan13 Offline OP
journeyman
Arjan13  Offline OP
journeyman
Joined: Jun 2012
Posts: 93
The Netherlands
Thanks, this is good help, I will start this weekend, the season is starting here ;-)

Re: Hull cover leakage [Re: Arjan13] #288717
04/11/18 12:32 PM
04/11/18 12:32 PM
Joined: Sep 2005
Posts: 1,186
38.912, -95.37
_flatlander_ Offline
old hand
_flatlander_  Offline
old hand
Joined: Sep 2005
Posts: 1,186
38.912, -95.37
sikaflex 291 is what you want
It is a Swiss product, and what all boat builders are using these days
Less than half the cost of 3M

Unfortunately not available in small tubes, like 3M products


John H16, H14
Re: Hull cover leakage [Re: Arjan13] #288720
04/12/18 08:28 AM
04/12/18 08:28 AM
Joined: Mar 2009
Posts: 895
Solomon's Island, MD
S
samc99us Offline
old hand
samc99us  Offline
old hand
S
Joined: Mar 2009
Posts: 895
Solomon's Island, MD
John,

Does Sikaflex 291 harden in the tube after opening? I recently learned that freezing the 3M products prolongs their in-tube life indefinitely.

-Sam


F18 Infusion

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