tiling stone mosiacs on wall do i need a sealent?

[aabbcc112233]

hi there

im going to attempt to tile part of a kitchen wall in these mosaic tiles:


-do i need a sealer if so which one do you recommend
-do i seal them before i put them on the wall
-do i seal them before i grout them
- do i seal them after grouting

im going to be using white adhesive

thanks for any suggestions

 

[Old Mod]

Were you not advised to obtain sealer when you purchased them?

Natural stone should be sealed as rule both before and after grouting.
If this is a DIY job then it wouldn't hurt to seal them before u fix them either, this may help u to keep them clean as u work and prevent staining, but it's not necessary.
I'd seal again after fixing, maybe twice, once they've been thoroughly cleaned, and then sealed again after grouting.
Sealing periodically after that, so that kitchen and fat deposits can be more easily removed and kept to a minimum.

Best sealer I've encountered is Lithofin Stain Stop.
Very simple to use.
Follow instructions carefully, this is important.
If u do seal prior to fixing, and u lay them down to do so, do not let the seal pool in the face of the stone.


Good luck with the tiling, just as a side note, try and prep your walls so they are as flat as u can get them. With mosaic tiles they will reflect exactly the substrate behind.
So if the substrate is wavey (for want of a better description) your tiles will be wavey.

 

[Dave]

Be careful what sealer you use if you seal before fixing , a solvent based sealer could soften the glue of the mesh on the back of those tumbled travertine mosaics, if you over apply and it seeps over the edges to the back...

I tend to just fix , then grout and seal afterwards but I work with stone a lot , do know what can and can't be grouted first etc..

So , I advise you fix them and keep working clean..

Once fixed , clean and dry , then seal with either a solvent based sealer or a water based sealer , following the directions on the bottle.

Then grout after the recommended time and again once cleaned off and fully dry , apply another coat and seal the grout as well.
And as I said , ALWAYS following directions on the bottle .

 

[Just Rizzle]

what type of look do you want when job finished matt satin or glossy do you want the natural colours in the tile to be enhanced all questions you need to answer befor picking your sealer.
I always tile first then seal, grout then, seal again