Is your tile shower already leaking? Don't regrout it. Test it.
Stains on the ceiling below, loose tiles, musty smell — that's not a grout problem. Grout was never the waterproofing; the membrane behind it was.
We flood-test the pan and open only what's needed. Sometimes it's a fixable pan or valve. Sometimes the smart money rebuilds the shower once, properly, with a modern membrane system.
Either way: photos, straight options, written prices. And the rebuild carries our 5-Year Watertight Guarantee.