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Old 13-11-2012, 17:04   #1
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Lexel As Deck Hardware Caulk?

Anyone with experience using Lexel As Deck Hardware Caulk?

When reading the manufacturer's blurb it says: Not for immersion with sea life? But for deck hardware?
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Old 14-11-2012, 15:37   #2
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Re: Lexel As Deck Hardware Caulk?

Manufacturer's site: LexelŽ - The superior alternative to silicone.
MSDS: http://www.sashco.com/hi/pdfs/LexelClear_MSDS.pdf
Tech data, or the closest thing to tech data I can find: http://www.wpw.com.au/pdf%27s/Lexel_Silicone%20TDS.pdf

I tend to be cautious of any product with such a high marketing-to-data ratio in its technical specs. It's still not entirely clear what the stuff really is or what its properties are. (Compare to a real technical data sheet, eg. 3M's 5200: http://multimedia.3m.com/mws/mediawe...SevTSeSSSSSS-- )

If you already have some, then sure, it'll probably work as bedding compound. I wouldn't go out of my way to buy it for that purpose, though.
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Old 14-11-2012, 15:45   #3
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Re: Lexel As Deck Hardware Caulk?

Another note: When something claims "superior to silicone", what they usually mean is "superior to that cheap latex bathroom caulk that has a trace of silicone rubber in it so that they can put SILICONE on the label in 90 point font".

Real silicone adhesives, eg. those from Dow and Tremco, are one hell of a lot more tenacious. But they're also more finicky than the cheap stuff.
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Old 14-11-2012, 16:04   #4
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Re: Lexel As Deck Hardware Caulk?

This reminds me of A Wharram builder I met in Galveston years ago. He drove all the screws in his 40-something footer with a hammer; the heads were to get them out with he said. And even though WEST was in vogue, he stuck with polyester resin as adhesive, and sheathing. I guess it goes without saying he was a circumnavigator-to-be.

Given the amount of work involved in rebedding hardware, and the likelihood of wet core, if applicable, if the Lexel doesn't work out. I can't see trying it to what? save $6-7 a tube. The search function will tell you that polysulfide or butyl rubber are your best bets. Not 5200 or silicone or Dap, Alex, Tough as Nails ....

That said, someone somewhere will swear that Lexel is the greatest. There was a thread just last week explaining why if it says for marine use or similar that may NOT signal a ripoff.
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Old 14-11-2012, 16:20   #5
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Re: Lexel As Deck Hardware Caulk?

If there is a lot of work involved I'm in the "use the proven product" camp.
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Old 14-11-2012, 16:23   #6
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Re: Lexel As Deck Hardware Caulk?

I am with you which is why I asked. It was being suggested to me I was asking Why not 4200, 5200, life-seal, life-caulk, or butyl rubber?

I am gonna stick to tried and true. I love Butyl rubber and lifecaulk. 5200 too when called for.

Again thanks and sorry to ruffle any feathers.
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Old 14-11-2012, 19:14   #7
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Re: Lexel As Deck Hardware Caulk?

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Old 14-11-2012, 19:33   #8
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Re: Lexel As Deck Hardware Caulk?

I have messed with this stuff a bit. It skins over really quickly. The smell of it makes me think that it would promote crevice corrosion - the same smell as non-marine silicon goo (which has the same problem). I would be weary.

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