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rodspink



Member Since: 12 Apr 2015
Location: Aberdeenshire
Posts: 187
Scotland 
Defender body capping sealant.
Hi All.

What would you reccomend for putiing under the cappings before I refit them. Im tempted to not use a sealant at all and possibly use a 1mm thick rubber strip. This will make removing them in the furute easier.

Thanks

Rod
Post #683731 2nd Feb 2018 11:22pm
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nitram17



Member Since: 09 Jun 2014
Location: newcastle
Posts: 2261
If they are painted properly i would coat the surface with dinitrol and forget as they will outlast you!They only rust because they are not painted underneath!
Post #683756 3rd Feb 2018 3:51am
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rodspink



Member Since: 12 Apr 2015
Location: Aberdeenshire
Posts: 187
Scotland 
Yeah I have considered this too. Sure it will be a fine enough option.
Thanks for the reply.

Rod
Post #684477 6th Feb 2018 11:00am
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mikeh501



Member Since: 07 Jan 2013
Location: United Kingdom
Posts: 1142
United Kingdom 
just done mine. wouldnt bother trying any sealant. i painted the body before fitting, and then used a closed cell foam between the capping and body.
Post #684539 6th Feb 2018 5:11pm
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nitram17



Member Since: 09 Jun 2014
Location: newcastle
Posts: 2261
Do you not think that the CCF will collect moisture over time ..obviously you are attaching a ferrous metal capping to ali sheet so you need to avoid moisture between the surfaces to stop bi metal corrosion ....and where the rivets join the two ...a good coat of paint on both surfaces should be enough but a dinotrol coat or a ceramec moly coat should prevent future corrosion ...its the moisture you need to prevent .
Post #684692 7th Feb 2018 12:19am
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mikeh501



Member Since: 07 Jan 2013
Location: United Kingdom
Posts: 1142
United Kingdom 
Yeah I did wonder that, but ended up using the foam which was supplied with the capping.

All my capping are now galv and I painted the body under capping with rust buster epoxy one to one. It’s a fantastic coating for this. For the rear capping they have been sealed on application with sikaflex as well.

The unpainted body directly attached to unpainted non galv body capping lasted near 20 years and they weren’t even completely corroded. I’m hoping my upgrade will last a bit longer !
Post #684712 7th Feb 2018 8:31am
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