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How to Regrout Bathroom Tile: Fixing Bathroom Walls

Replace grungy, eroded grout in your shower. Simplify the tough grout removal part with an inexpensive power grinder. It speeds up the job so you can move on the easier parts, regrouting and polishing the tile.

By the DIY experts of The Family Handyman Magazine

  • COMPLEXITY
  • ComplexityComplexityComplexity Moderate
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    The techniques are easy. However, even with the grinding tool, cleaning the joints takes time and patience.

  • COST
  • CostCost $20 - $100
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    New grout, sealer, and caulk cost less than $30. The grinder accessory kit costs about $25 and a Dremel tool costs about $40.

How to Regrout Bathroom Tile: Fixing Bathroom Walls

Replace grungy, eroded grout in your shower. Simplify the tough grout removal part with an inexpensive power grinder. It speeds up the job so you can move on the easier parts, regrouting and polishing the tile.

By the DIY experts of The Family Handyman Magazine

Step 1: Grind and scrape out the old grout

Renewing old grout has always involved long hours of hacking away at old, worn grout with a tiny grout saw. Simplify the job by purchasing a grout removal kit that attaches to a Dremel tool. (See photo below). It has a high-speed carbide bit that effortlessly chews away old grout, and guides that keep you from chipping the tile edges. Make sure to wear safety glasses while grinding (Photo 1). Use the grout saw to scrape out edges and corners and to clean out the joints.

Grout removal attachment

Buy a Grout Removal Attachment

A grout removal kit contains the grinding guide and a grout saw for cleaning along edges where the grinder can't reach. It's designed to fit a Dremel tool.

Step 2: Regrout the tile

Vacuum up any dust or debris left after the grinding process. Take a chunk of your current grout to a home center or tile shop to find a match. Also buy a latex additive to mix into the new grout to make it more durable. Mix the grout slightly thicker than peanut butter and then apply it (Photo 2).

Step 3: Clean and polish the tile

Let the grout set up for approximately 20 minutes until a film develops over the tile, then clean the area as shown in Photos 3 and 4. After the grout has dried for a week, protect it with a grout sealer.

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Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

    • Safety glasses

You'll also need a sponge, a grout removal kit, a grout float and rubber gloves.

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

    • Grout
    • Grout sealer
    • Tub and tile caulk

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January 22, 9:34 AM [GMT -5]

Sorry forget the dremel it's a dud... you'll have a better experience using a craftsman multi-tool cordless ... I got it done 10 times faster.. -- oh and I was using the best dremel money could buy If you can afford to have two batteries for the multi-tool it's better but only if you can afford it... otherwise it only takes 30 minutes to charge

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