grout still looks dirty after 3rd try

[cindym]

Hello, I'll try to keep this short and give the necessary details.

We had a complete bathroom remodel. Converted area where old tub was to walking shower. The contractor tore out old tub, prepped surface and built out bench, had fiberglass put in, etc.

They insisted we use fusion pro grout on the floor because it is stain free. We concurred. The tile of the shower and floors was done and grouted and there is no problem with the grout. It was just regular sanded grout that was mixed.

They installed the epoxy grout on the shower floor. It seemed fine, but we noticed a couple of weeks later, it was soft. We had not waited the 7 days because we were told next day usage was fine.

So contractor tore grout out and replaced with Fusion Pro grout again. We waited 7 days and the grout was still soft.

When the contractor returned we told them we just wanted regular grout since this did not seem to be curing. So, they installed the regular sanded mixed grout. We waited 3 days, and it was hard but there were places on it that were dirty and discolored. If I scrubbed on them, they would get somewhat better but not completely.

Contractor came out again and regrouted, but did not tear out old grout. Once again it's with the sanded grout. It looked great at first. Even after 3 days there were only 2 areas that were a little dark. After I ran the shower water to clean it and it dried, there are many different places on the grout that look dirty.

Why would it look dirty after being washed? We are just very tired of this and don't know what to do, or why this is happening.

Thanks ahead of time for your input.

[cindym]

To clarify: The first two times when using the fusion pro, there were no discoloring issues just not curing.

[Kman]

Welcome to the forum, Cindy.

First, what size tile and grout joints are on the shower floor?

Second, do you know any details about how the shower was constructed, i.e. the waterproofing system that was used, the type of wall board that was used, etc. Anything you can tell us about that would be helpful.

And if you have any pictures from the time during construction and even finished pictures, that would help. Post them using the paper clip icon in the reply box.

[Elkski]

How can epoxy grout not get hard? how can you even attempt to clean out all of not hard epoxy grout? was the epoxy grout a different color than the new sanded cement grout?
Must see pictures.

[cx]

Teddy, she's using Fusion Pro from Custom. It is not an epoxy grout.

[cindym]

Sorry if there was confusion. They used Fusion Pro Grout the first two times. It's the one that would not cure. It looked fine, but would not cure even after 11 days. I called the manufacturer. He said the reason it didn't cure it there was likely moisture when they grouted the second time since the shower had been used and the first time we only waited 3 days before use.

I'll get more information and post pictures.

[rmckee84]

Sounds like a mix of haze and residue from the multiple grout attempts followed by sticking more grout over the existing? With cement grout you can't grout over an existing grout and have consistent results, it simply doesn't work that way.

[Kman]

Originally Posted by Kman

First, what size tile and grout joints are on the shower floor?

Cindy, there was a good reason for asking the question above. Do you know the answer?