grout question

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Topic by Millo posted 09-21-2013 07:14 PM 2274 views 0 times favorited 2 replies Add to Favorites Watch
View Millo's profile


5 posts in 2496 days

09-21-2013 07:14 PM

Hello again, everyone…

I’m a frequent question-asker at Lumberjocks and I’m in a ‘small repair’ spree at my place.

Our house is about 3 yrs old and on its 2nd year we had a horrible drought w/ over 80 days of plus-hundred-degree maximum temperatures, when in the middle of the day relative humidity was often 15%. Suffice it to say, cracks happened.

I am wondering how I can handle these particular cracks on grout—does not have to be too pretty, they just need to be sealed. I was wondering if there is something that attaches to grout that looks kinda like it. If not, it’s fine. Sillicone caulk? It’s a bit more important that it looks good in the kitchen counter/wall joint, not necessarily so in the wall/floor tile joint.


View Dan Lyke's profile

Dan Lyke

331 posts in 4485 days

09-27-2013 01:52 AM

I am far from an expert on such things, but my impression is that that’s what happens when you don’t have your tile on a cement backer board. Maybe the right solution is to tear it out and replace the backer?

-- Dan Lyke, Petaluma California, http://www.flutterby.net/

View Becky's profile


81 posts in 3624 days

09-28-2013 02:16 PM

Not to drive traffic away from this site, but Millo I agree with Dan – I’m not sure your cracking issue is entirely just due to weather. I’d suggest visiting the John Bridge tile forum. I use them for all of my tiling questions and issues. The guys are very nice and range from pros to DIY’ers to just folks looking to save some $$. Those guys have been my life saver in previous tiling jobs I’ve taken on in my home. I would also believe the cracks are due to movement of your subfloor and not the tile itself. Fixing grout cracks is time consuming – you’d have to scrape out the grout (grout removal tool looks like a screwdriver with a triangle blade head on it) and replace it. Same with the caulking – I’d replace it with something considered flexible so hopefully it will avoid cracking further.

-- aspiring jill of all trades

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