I have finished tiling my new shower with porcelain tiles and have just grouted using Bal superflex grout. i know I don't need to seal the tiles as they are porcelaoin but do I need to seal the grout? If so, what product would you recommend?
I don't know if it is fully waterproof. I used BAL superflex and it says it can be used in showers but it also says "water/frost-resistant". I just wondered if it is the done thing to also use a grout sealant or whether it is not necessary.
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