I'm tiling the wall behind our newly installed hob with 100mm square
tiles. It's obviously going to get splashed with stuff we're cooking on
the hob, which will wipe off the tiles no problem but is going to get
stuck in the grouting. Is it usual to seal the grouting with something
when tiling in this position and if so, what?
I've personally never heard of such a technique, but you could use a clear
acrylic sheet on them to give some sort of protective covering. This is
mostly used in commercial situations. I usually use waterproof grout which
lets me wash the splashes off though.
Don't fancy acrylic sheet. The grout is waterproof but I think will
discolour if it gets fatty splashes on it (the tiles have uneven wavy
edges so the grout lines are quite wide). Anyway if it's not normally
done I will stop worrying about it and use grout whitener every so
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