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daluu 09-27-2012 11:18 PM

caulking & mold
Besides possible spread of mold/mildew & health concerns, is there really any need to recaulk existing caulk that's a bit (but not majorly) moldy? I mean it's not like the caulk will fail & allow water intrusion will it?

chrisn 09-28-2012 04:25 AM

Best bet, dig it out and replae it.

oh'mike 09-28-2012 04:28 AM

If the mildew won't scrub off the surface---but is growing behind the caulk---it is wise to cut out the old caulk and replace--

Mold behind the caulk usually means the bond has failed and is allowing crud to get in there--and grow mold.

joecaption 09-28-2012 09:07 AM

Or whatever is behind that caulking is failing. Classic to find drywall used behind tile in a wet area, fails every time.
Any loose tiles, missing grout, do the tiles move when you push on them?

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