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TORQUE & TAPE — The Blue-Collar Skills Guide

Replacing Shower Tile Grout: The Mistakes That Let the Water Through

Jun 11, 2026 · 9 min

Shower grout that looks fine from the outside is often the grout that's been sending water into the wall for a year or more. Cracked corner joints. Failed adhesion at the tile face. Grout at the corners instead of caulk. This episode covers the full regrout job from diagnostic to seal: how to find where the water is entering, why the oscillating multi-tool is non-negotiable, the prep that determines whether the new grout holds, the right consistency, float technique, caulk placement, and sealing sequence. Based on a hard lesson in a fifty-year-old house where the grout looked presentable and the backer board had been dissolving for two years. Torque & Tape — available on Spotify, Apple Podcasts, and everywhere you listen.

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