Quote:
Originally Posted by villagetinker
As a big time DIYer, the discoloration would depend on the sealer that you use. There are 2 basis types, one dries the same color as WET grout, the other type dries the same color as DRY grout. Now speaking from experience, DO NOT USE the 511 brand "20 year" grout sealer. I bought this product (2013) and we spent several days sealing all of the grout before we moved in (brand new house). Fast forward 3 or 4 years and the kitchen grout is stained and cannot be cleaned. After lots of emails to this grout sealer company they stated 'heavy traffic areas need to be resealed every 2 years'!! this is NOT stated anywhere on the container.
I would not worry about "matching" the grout, if you need a repair, have the repair done, wait a couple of weeks, and then treat the SAME way you treated the original grout, the result should match.
Due to problems with the 511 product, I purchased Grout Shield, and spent 2 weeks 2-3 hours at a time and completely resealed all of the grout in the house (an expanded Gardenia). This product looks more like paint, and they match your original color so well that I actually missed areas which we found the next time the floor was moped, the 511 product had failed and the grout looked wet. I was able to touch up with a small brush.
Hope this helps and if you would like to discuss at length, send me a PM with your phone number and I will be glad to give you a call.
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I used the 511 product about a year ago, two coats, kitchen .bath, entry and hall ways so far my experience has been good, water beads on the grout, food spills clean up without staining, it smells pretty bad I wore a chemical respirator and tried to spend as much time out of the house as I could, windows open In my case it only slightly darkened the light grey grout, hardly noticeable