Tons of hairline cracks in Shaw sink

jeanarJanuary 28, 2009

I have a theory that our drain was "overtightened" in our new sink and that is the cause of the ton of hairline cracks in the bottom of our Rohl farmhouse ink. It's fireclay. Does anyone know if this might be the case? Or something else? Just a crappy sink?

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Go to the manufacturers web site and see if they have the mounting instructions for the drain which would include precautions on over tightening. If not, contact them directly and explain your situation.

    Bookmark   January 29, 2009 at 9:34AM
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Search using these two words like this

Define: crazing

Today, I got this and more:

Causing it was probably either a thermal stress or a mechanical one.


    Bookmark   January 30, 2009 at 11:31AM
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I went to the web site for this sink. It's 1 1/2" thick on the bottom, so over tightening would be unlikely.
David's suggestion of a thermal stress sounds like the problem. Pouring boiling water into the sink without running water from the faucet to temper the heat could be the cause.
When I ordered a corian sink with a countertop, the homeowner was cautioned not to do the above without turning on the faucet first.

    Bookmark   February 3, 2009 at 1:11PM
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