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ADVICE. NEW GROUT

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Would appreciate advice please..........before I make the final payment this weekend Had new bathroom fitted this week. Big stone effect tiles set in what looks like a cement base. Opted for…
iglimpse Avatar
6y, 5m agoPosted 6 years, 5 months ago
Would appreciate advice please..........before I make the final payment this weekend


Had new bathroom fitted this week. Big stone effect tiles set in what looks like a cement base. Opted for grey grout, black or white would not have looked right.


But I am concerned because where water gets on the tiles, the grout changes to a darker colour until it dries out, approx 1/2 hour. Really spoils the look of the finish and is really untidy looking, especially on the floor.


Have looked around and found info on grout sealers. Do you know if they would stop this happening?


I have mentioned this to the workmen several times but they just shrug. Surely the grout sealing should be part of the job and therefore included? Is it not used in UK that much ?


Regards

Cathy
iglimpse Avatar
6y, 5m agoPosted 6 years, 5 months ago
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#1
Do they say 'grout sealer' is part of the job on their quote?
#2
ahhh ours does the same but as its the kitchen it isnt often...i cant see it being a big job to do it? have you googled it and found sealant? my o/h says he found a spray one dries fast covers 22m2
#3
Seems a very small thing to be bothered about, half an hour every so often
banned#4
They've used really cheap grout if its discolouring so quickly.

I just had my living room, dining room, hallway and kitchen done with 2' sq porcelain tiles. I asked the guy if it needed to be sealed and was told "not with this gear." The grout wasn't cheap (I think he said it was made from ground down porcelain), but we've had zero colour change so far. We saw his kitchen which was donw six years previous - and the grout loooked fine there too!.

Looking at the quote, this is the name of the grout.......Mapei Ultracolor Plus

Dont help your problem I guess (For which you need to buy some sealant), but interested to see if anyone else has heard of it.
#5
No not quoted in the job.

Bothered because bath over shower, the dark areas just look like old grout you see in showers. Spoils the effect.

USA sites seem to imply it is part of the job to seal ALL grout because the surface of grout is not smooth and prone to mildew. Does not seem to be part of the process in UK
#6
guv
They've used really cheap grout if its discolouring so quickly.I just had my living room, dining room, hallway and kitchen done with 2' sq porcelain tiles. I asked the guy if it needed to be sealed and was told "not with this gear." The grout wasn't cheap (I think he said it was made from ground down porcelain), but we've had zero colour change so far. We saw his kitchen which was donw six years previous - and the grout loooked fine there too!.Looking at the quote, this is the name of the grout.......Mapei Ultracolor PlusDont help your problem I guess (For which you need to buy some sealant), but interested to see if anyone else has heard of it.


Thanks but not quite the same problem. This is brand new grout which goes darker when water has got on it. Same happens with white grout but it is not visible. Seems like it is a good idea to seal all grouts ??
1 Like #7
There are different types of grout.

For wet areas you should have had waterproof grout to stop penetration that could get behind the tiles and in the worse case scenario cause them to dislodge.

If it's a bath or a sink it's not too much of an issue in most cases. however if it is a shower area or cubicle it could cause a lot of damage.

You should be able to get some grout sealer pretty cheaply and application with glazed tiles is pretty easy. Once done the water should bead on the surface and not change the tile colour (although the tile sealant itself may darken it a very small amount).

You need to keep an eye on it and possibly reapply in a year or so depending on how much you wet the area and what you use to clean your tiles as some tile cleaners can remove the sealant over time.

Finally, in my opinion using waterproof grout and/or sealing it should be included in the job.

Edited By: Plum on Oct 01, 2010 08:35: 1
#8
Not really concerned with water penetration behind the tiles because they are set on a sort of cement base (not adhesive), always possible, I know.

The tiles are not glazed, they are slightly rippled sand effect tiles.

Are you saying that if a waterproof grout had been used, would not get this darkening effect from the water?

Further opinion seems to indicate can use grout sealer but pain to get off and replace which needs doing approx once per year
1 Like #9
If you are not happy with what they have done, then you should tell them so and not pay in full until you are happy. Making a part payment is reasonable. If you do nothing, then it will probably niggle at you. It is not worth spending 1000's if you are going to be annoyed every time you use it when it could be sorted now for a few quid.

We asked the tiler to re-grout our shower room, which he did for no extra charge and I think it too him an hour or so (though I am not sure if he had new grout in his van or if he went to B&Q). He agreed that the grout to start with was wrong and as a result of his being so good about it, he has since had other work and recommendations from us.
#10
iglimpse
Not really concerned with water penetration behind the tiles because they are set on a sort of cement base (not adhesive), always possible, I know.The tiles are not glazed, they are slightly rippled sand effect tiles.Are you saying that if a waterproof grout had been used, would not get this darkening effect from the water?Further opinion seems to indicate can use grout sealer but pain to get off and replace which needs doing approx once per year

Nearly all grouts are really water resistant rather than waterproof. Only epoxy grouts are waterproof and when I enquired about this stuff I was told it is very hard to put on.

So your grout would darken at some point, but I am surprised that at a week or so old you are noticing the darkening so quickly. Is it just in the shower. or does it just take a splash of water?

What I am also curious about is that my understanding is you need glazed tiles for them to be waterproof. I myself have natural stone tiles and thes have to have sealer applied. I have to do this once a year in the show and really elsewhere as needed (when water stops beading).

Does the water bead on the surface of the tiles?

Edited By: Plum on Oct 01, 2010 10:08: 1
banned#11
its a bathroom!

why worry that the grout looks a little damp for half an hour. Once I have had a bath / shower, I tend not to use the room again for longer than that and its not a room I show any guests to :D
#12
I do care what it looks like.....stained grout. I KNOW it's not stained, just disappointed with the finish. They never explained this would happen, might have had a choice then.

Surely someone must have invented grey grout that does not leave water marks ?
#13
iglimpse
I do care what it looks like.....stained grout. I KNOW it's not stained, just disappointed with the finish. They never explained this would happen, might have had a choice then.Surely someone must have invented grey grout that does not leave water marks ?

You are right to be concerned as this is what you are paying someone to do, and for them to excel in what they do. If you are unhappy, they should also be concerned instead of shrugging their shoulders. The least they could do is to provide an explanation that would satisfy you as the client.

Try to find out what brand & type of grout they used. Then google it to confirm your findings. It should be waterproof if it is being used in the bathroom. You say the tiles are set in a concrete base. I would imagine the bathroom is then on the ground floor. If tiled onto a wooden base, the adhesive & grouting should be waterproof & flexible. A good brand where you can rest assured would be BAL. If you can confirm the the grouting is waterproof, a change in colour to a slightly darker shade of grey would be normal (my bathroom & kitchen tiles do the same using waterproof & flexible grouting). If you are not happy, withhold some of the payment until the grout brand & type can be verified. He would probably have some in his van (even an empty packet).

Advice from Plum & AberdeenDad are spot on.
banned#14
iglimpse
I do care what it looks like.....stained grout. I KNOW it's not stained, just disappointed with the finish. They never explained this would happen, might have had a choice then.

Surely someone must have invented grey grout that does not leave water marks ?

its not stained - its just water on the grout for half an hour

do you have a bath then stay in the bathroom after getting out for another half an hour looking at your tiles?
#15
csiman
iglimpse
I do care what it looks like.....stained grout. I KNOW it's not stained, just disappointed with the finish. They never explained this would happen, might have had a choice then.Surely someone must have invented grey grout that does not leave water marks ?
its not stained - its just water on the grout for half an hourdo you have a bath then stay in the bathroom after getting out for another half an hour looking at your tiles?


The bath toilet shower room will be used by 6 people daily and for visitors.


It is not about the time spent in there, it is about people explaining things that are important to you.

I cannot imagine why you would not use a waterproof grout in a bathroom oO
banned#16
iglimpse
csiman
iglimpse
I do care what it looks like.....stained grout. I KNOW it's not stained, just disappointed with the finish. They never explained this would happen, might have had a choice then.Surely someone must have invented grey grout that does not leave water marks ?
its not stained - its just water on the grout for half an hourdo you have a bath then stay in the bathroom after getting out for another half an hour looking at your tiles?



The bath toilet shower room will be used by 6 people daily and for visitors.


It is not about the time spent in there, it is about people explaining things that are important to you.

I cannot imagine why you would not use a waterproof grout in a bathroom oO

then ask your plumber that question........

seems like they have bodged it tbh
#17
csiman
iglimpse
csiman
iglimpse
I do care what it looks like.....stained grout. I KNOW it's not stained, just disappointed with the finish. They never explained this would happen, might have had a choice then.Surely someone must have invented grey grout that does not leave water marks ?
its not stained - its just water on the grout for half an hourdo you have a bath then stay in the bathroom after getting out for another half an hour looking at your tiles?
The bath toilet shower room will be used by 6 people daily and for visitors. It is not about the time spent in there, it is about people explaining things that are important to you. I cannot imagine why you would not use a waterproof grout in a bathroom oO
then ask your plumber that question........seems like they have bodged it tbh


Apart from the water / grout issue, where sealant has been used around the bath the grout above it seems to be permanantly darker. Maybe that will change but after 3 days, it is still dark. I really do think and non waterproof grout has been used. and I am now angry.


I certainly intend to ask the firm many questions..............as I said, final payment due soon.....NOT.


Just good to get some thoughts from you guys as well.

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