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Key steps of Tiling installation

The Key Steps Involved In The Tiling Installation Process


Starting a bathroom renovation endeavor can elicit both anticipation and apprehension. Flooring is one element that can significantly alter the appearance and functionality of a lavatory. Tiles are widely used as lavatory flooring due to their durability, low maintenance requirements, and aesthetic appeal. This manual provides comprehensive guidelines for bathroom floor tiling installation, ensuring an aesthetically pleasing and durable surface.

Tools and Materials You Will Need

Before we begin the installation process, we must examine the essential tools and materials that will be required:


  • Chisel
  • Floor scraper
  • Level
  • Rubber mallet
  • Utility knife


  • Tile membrane
  • Waterproof membrane tape/strips
  • Floor tiles
  • Tile spacers
  • Unmodified thinset mortar

Safety First

When preparing the substructure or removing old tiles, always wear the appropriate protective equipment, including eye protection and a dust mask, to shield yourself from dust and detritus.

Preparing to Install Floor Tile

Step 1: Preparing the Subfloor

Proper flooring preparation is critical for the successful installation of tiles. Before anything else, remove any outdated flooring and sanitise the area thoroughly. Prior to continuing, ensure that the plywood flooring is level and devoid of protrusions or debris. Concrete subfloors that are irregular or fractured must be repaired.

Step 2: Applying the Waterproof Membrane

In a bathroom, preventing water damage is critical. With care, apply a water-resistant coating to the flooring, paying particular attention to joints and margins to waterproof the seams and create an impenetrable barrier. Employ waterproof membrane tape or strands.

Installing Floor Tile

Step 1: Planning Your Layout

Determine the initial layout of your tiles through dry fitting. This phase allows for the final product to be viewed and any necessary revisions to be made before committing to the location. Use tile spacers to ensure that the spaces between tiles are uniform.

Step 2: Mixing and Applying Thinnest Mortar

The initial thin-set mortar should be blended until it looks like peanut butter. Using a notched trowel, apply a homogenous layer of mortar to a small subfloor area. The perforations facilitate the maintenance of a uniform depth, ensuring that tiles are positioned at a level.

Step 3: Laying the Tiles

After firmly pressing each tile into the mortar, position them in the centre of the room. When grouting, maintain consistent spacing with tile spacers. As you progress, assess the level of each tile and make any necessary adjustments.

Step 4: Cutting Tiles as Needed

Trimming tiles may be necessary to accommodate fittings, corners, and borders. For intricate shapes, utilise a damp saw or tile nipper; a tile cutter is utilised for direct cuts.

Step 5: Allowing the Mortar to Set

After installing each tile, allow the mortar to cure as the manufacturer specifies. It usually requires at least twenty-four hours. Avoid contact with the tiles during this time.

Grouting the Tile

Step 1: Mixing and Applying Grout

After the mortar has hardened, remove the tile spacers and prepare the grout according to the instructions provided by the manufacturer. Using a silicone float, grout should be applied diagonally to the tile lines while firmly compacting into the spaces.

Step 2: Cleaning Excess Grout

Utilise a moist sponge to eliminate any excess grout from the tile panel. Care must be taken to prevent grout from escaping the crevices. Frequently cleanse the squeegee to prevent the reapplication of grout to the tiles.

Step 3: Sealing the Grout

Once the grout is fully dry, which takes about 72 hours, seal it with a grout sealer to keep it dry and stop it from changing colour. This is especially important in bathrooms where the grout will likely get wet.

Finishing Touches

After installing the tiles and grout, you are nearly finished. Things like the sink and toilet that were taken out must be replaced. To make a seal that can’t be broken, put silicone sealant on the ends of the tile where it meets the walls or fixings. Putting the handrails back in place or removing them completes the look of your newly tiled bathroom.


Even though tiling a bathroom floor might seem like a big job, you can do it yourself and make a big difference in how the room looks with enough planning and attention to detail. If you take your time and follow these steps, you can make a paved floor that is beautiful, strong, and won’t get wet for many years.

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