Panel sealant ?

Question

Miles' boot floor is welded in and primered. The edges to be welded were treated with Hi-Zinc mig paint pre assembly so hopefully should be rust resistant - more or less galvanised by the heat of the welding. and I have a big tin of Isopon zinc paint to go round underneath and give anything thats the least bit exposed a good coat before spraying on Rustkote and a layer of Waxoyl . That just leaves the panel gap between the floor and body which originally was beaded with a mastic of sorts I am leaning towards a silicon polyurethane sealant similar to

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or

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any other suggestionsthat don't involve not sealing so the water can runout through the gaps? Derek Kato 200TDi Disco Miles 300 TDi Disco

Tom Woods · Accepted Answer

You could use proper car seam sealer.frosts sell it:

Dougal · Answer

or from one of the big names in the business - Sikaflex and Teroson (now part of Henkel/Loctite)

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search for 'sealant'.Sikaflex 221 is well known and should do what you're looking for.

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look for 'sealant'. Avoid the common silicone sealants and their industrial cousins.

Bill · Answer

In message , Dougal  writesJust for info, why is this? I've always suspected that, for example in the case of building sealants, the difference between the ones from prestigious manufacturers and el-cheapo ones was that with the expensive ones you could track down and make use of the warranty. You pay for the warranty in the price. Or am I wrong?Isn't it a bit like the suppliers of unlit skips? You pay for the insurance for when someone crashes into them. I'm sure I'm not wrong with this. It's a national disgrace.

Dave Liquorice · Answer

One reason could be that some silicones release acetic acid as they cure.

Panel sealant ?

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