Keep in mind the lighter the grout the more it darkens simply from the humidity of the shower.
Shower floor grout looks wet.
The tiled floor has been laid for about 2 years and this problem has only just occurred in the last few weeks.
If this isnt the case with yours you should allow grout to dry completely clean it with a small rotary wire brush a little dremel works great.
The contractor told me the shower is bullet proof however the grout looks wet and looks dirty.
We had our guest bathroom shower remodeled one year ago 2 weeks ago my wife noted shower floor grout wet around the edges with some spots dry.
Epoxy grout is the best choice for showers because is water and stain resistant and requires no sealing.
The wet area is not caused by using shower as the shower screen protects this space.
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As soon as we started using the shower the grout again started darkening like it was wet.
We had a wet room installed about 8 months ago.
He opened the wall to adjacent closet in the next room to assess the shower pipes and no leaks found.
Ft shower is 5 by 3 there is a very strong fan that is on timer and is on for 30.
The floor is tiled with large 60x60cm porcelain tiles laid on impey waterguard membrane and the shower tray is impey aquadec easyfit with the membrane laid over the top.
It is a new build first floor bathroom new extension on older house with a.
Its a large bathroom approx 150 sq.
Had the guy who remodeled the shower come look at it.
Some grout has a sealer additive already in the mix.
48 hours later the spots are still looking wet but are not wet to the touch.
The bathshower sits on normal wood floor boards while the tiled floor sits on protected plastic water proof base.
The spots started spreading until the whole floor of the shower has dark colored grout although it is not even.