Silcock and expandable foam?

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Old 03-25-14, 12:31 PM
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Silcock and expandable foam?

I had to replace a outdoor spigot with a frost free silcock.

My brother who is a plumber is really riding me that I used expandable foam to seal the gap in the hole where there silcock exits my sillplate.

Is there any harm in expandable foam touching the stainless? steel 1/2" pipe of the new silcock?
 
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Old 03-25-14, 12:39 PM
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What was his concern? If you left the foam exposed to sunlight,it will turn butt ugly, but it will insulate.
 
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Old 03-25-14, 01:29 PM
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Maybe he was just giving me grief, but he said the expandable foam will cause the stainless? silcock to corrode and eventually leak/burst.

The chrome or stainless part is just a sleeve correct? Theres copper under it I assume?
 

Last edited by zmike; 03-25-14 at 01:51 PM.
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Old 03-25-14, 02:34 PM
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I don't know of a chemical in dried foam that would react with the finish.
 
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Old 03-25-14, 07:33 PM
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It's just chrome plated and it's not going to corrode anything.
 
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