Grout color changes when wet?

Reply

  #1  
Old 02-01-12, 03:59 PM
Member
Thread Starter
Join Date: Feb 2012
Location: USA
Posts: 1
Grout color changes when wet?

Ok, here's what I expected to happen: My upstairs shower has brilliant white grout that has been there since the 1970s. The grout color does not change when it is wet.

So, when I re-grouted my downstairs shower I expected the same result. The dried grout is brilliant white when dry. Lowes recommended their "Keracolor U which is a preimnum grade, preblended polymer-modified unshanded Portland cement tile grout that only requires water when mixed."

As I cleaned up after the new grout had set, I noticed the new grout would turn grayish when wet, and then back to white when dry.

I figured it needed to be sealed, but after 3 coats of the Homax Penetrating Grout Sealer the problem remains.

I dripped some water on the grout and it doesn't seems to absorb it, hopefully the sealer is doing its job.

But the white-to-gray metamorphosis is NOT what I wanted.

Thoughts?

Bruce
North Carolina

, but turns grayish when wet. "No problem" I thought, after I seal the grout it will be ok.
 
Sponsored Links
  #2  
Old 02-02-12, 06:17 AM
Member
Join Date: Jan 2006
Location: USA
Posts: 3,493
Bruce

Sealer does not make the grout waterproof. It's purpose is to keep the grout from staining easily. Sealer will slow down the penetration of water but will not stop it. In general, grout will darken as it gets wet and lighten back up when it dries out.
 
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes