Do I Need To Seal Wet Room Grout?

[AJH]

I've had a wet room professionally tiled, it's all been grouted.
Is it necessary to seal the grout in the shower area? Also is it necessary to put a silicon bead between the slate floor and the ceramic wall tiles?
Thanks

 

[Alan.P]

Has your wetroom been tanked ? no need to seal the grout and yes there should be a silicone bead on internal corners.

 

[AJH]

Has your wetroom been tanked ? no need to seal the grout and yes there should be a silicone bead on internal corners.

 

[AJH]

Hi, yes it was tanked. I'll ask the tiler to put silicon beads in the corners although I guess it needs to be done very neatly to look good?

 

[Wishiwasatoptiler]

If its contrasting coloured tiles you may want to go wit a clear silicone

 

[On one]

If I was doing it I would seal the grout as part of the process of..........
Clean the slate/seal the slate/grout the slate/.........and seal the slate and grout again.
The silicone bead???......for me it's.......leave the internal corners ungrouted,apply a silicone sealant(the same colour as your grout) in to the joint. The joints are best ungrouted so that the silicone gets into the joint and doesn't just sit on the surface of the grout.......well that's how I would do it.

 

[On one]

If its contrasting coloured tiles you may want to go wit a clear silicone

The only problem I find when using using clear silicone is that after a year or two the clear goes opaque/smoky and you can see mould growth building up behind the clear silicone

 

[AJH]

If I was doing it I would seal the grout as part of the process of..........
Clean the slate/seal the slate/grout the slate/.........and seal the slate and grout again.
The silicone bead???......for me it's.......leave the internal corners ungrouted,apply a silicone sealant(the same colour as your grout) in to the joint. The joints are best ungrouted so that the silicone gets into the joint and doesn't just sit on the surface of the grout.......well that's how I would do it.

That makes good sense

 

[AJH]

The only problem I find when using using clear silicone is that after a year or two the clear goes opaque/smoky and you can see mould growth building up behind the clear silicone

Yes I know what you mean, silicon is best not seen, I might just ask the tiler to seal the grout or do what you said and put it in the gaps between the tiles

 

[Lithofin BOB]

Sealing the grout can be part of the installation of the natural stone/ slate as above ,with the ceramic wall , sealing these grout areas can ease maintenance giving full water and oil reppelance to the cementisiouse grout,