dadiOH wrote:
wrote:

I have a new shower and I would like the seal the grout before we
start using it. It is a standard sand type grout.

Any suggestions or recommendations?

Latex or silicon?


Silicon sealer

Silicone is easier to use, but there are a number of (what I think are
better) products on the market that are heavy silanes. I find these to
be easy to use and quite effective. One such product is
http://www.epoxy.com/39.htm

Just Google: grout sealer silane

There are also water proofing materials based on nanoparticle admixtures
that are being developed which are starting to reach the market.