How To Remove Tile From A Concrete Floor (DIY) | Family Handyman

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How to Remove Tile From a Concrete Floor

By Family Handyman

Family Handyman's Editorial Process

Updated on Jul. 14, 2023

Create a smooth surface for new tile

Introduction

If you don't have room for another layer of tile over an old tile floor, you'll have to scrap off the old tile. It's a tough job, but the right tools will make it go faster.

Tile Removal: Start with a chisel and hand maul

There’s no easy way on how to remove tile. Unlike tile on cement board or wood, there’s no underlayment or subfloor that can be pried up and thrown away. How to remove tile from concrete requires knocking out the tiles and adhesive. How to remove tile takes time and hard work. Even a small bathroom will take half a day, at a minimum.

Tools Required

• Cold chisel
• Dust mask
• Electric tile stripper
• Hammer
• Hand maul
• Jackhammer
• Knee pads
• Safety glasses
• Shop vacuum
• Trowel

Project step-by-step (3)

Step 1

Chisel up tiles

Work the chisel between the tiles and the concrete, hammering them up with a 2-lb. maul.  Use a 3/4- or 1-in. masonry chisel and a 2-lb. hand maul. Start at a broken tile or between tiles where the grout has loosened. Work the chisel under the tiles, forcing them loose. Strike the face of stubborn tiles to break them up for easier removal. Wear safety glasses, gloves, pants and a long-sleeve shirt, since hammering the tile sends sharp shards flying. Also wear a dust mask.

Typically, older floors with mastic adhesive will come up easier than floors laid with thinset mortar. Rent a small jackhammer with a chisel point if the tile refuses to come loose. For larger rooms, consider renting an electric tile stripper or using other concrete demolition tools.

Step 2

Smooth the old concrete

After all the tile is broken up, spread thin-set mortar over the concrete to level and smooth it before laying the new floor.

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Chisel and scrape the adhesive off

After you remove the tiles, chisel and scrape the adhesive off the concrete as well. If you can’t get it all, don’t worry. You can leave bits of adhesive up to 1/8 in. thick. Then use the flat side of a 12-in. trowel to apply a 1/8-in. layer of latex thin-set mortar over the floor. This is to fill in voids and level around remaining bits of adhesive. If you’re installing new tile, use the same latex thin-set to set the tile. Thin-set holds ceramic tiles better than mastic and is easier to work with.

Keep in mind that the easiest solution of all is to leave the old tile in place and install new tile directly over the old. The new floor will be slightly higher, so you’ll have to trim the door and extend the toilet ring. For more details, talk with an expert at a local tile store.