How to install quartz tile flooring

Written by emily beach | 13/05/2017
How to install quartz tile flooring
Quartz is among the world's most durable natural materials. (Quartz mineral image by mirec from

Quartz is an extremely strong and durable product used to cover floors, worktops and other surfaces. It offers the rich beauty of natural stone and is available in a wide variety of colours and finishes. While this material is expensive, it can last for decades if properly installed and maintained. To protect your investment, take the time to prepare your subfloors and install your quartz flooring correctly.

Cover the entire floor surface with 1.2 cm (1/2 inch) cement board. Score and snap the sheets with a utility knife so they cover the entire floor without overlapping. Fasten them to the subfloor using 3 cm (1 1/4 inch) screws every six inches. For concrete subfloors, use a hammer drill to insert 3 cm (1 1/4 inch) concrete screws.

Coat the seams of the cement board with a layer of thin-set mortar. Apply this material with a trowel, then cover it with mesh tape. Add a second layer of mortar over the mesh tape to hold it in place, then allow the mortar to dry before proceeding.

Snap a chalkline from the midpoint of each wall to find the centre of the room. Use this as your starting point to help mask any irregularities in the walls.

Layout your tiles starting in the centre of the room. Establish the pattern you'll use for installation, including borders and any designs.

Cut tiles using a wet saw with a diamond blade. Wear safety glasses while using this saw, and plan to make all cuts outside to minimise the mess.

Lift each tile one at a time and butter the back with thin-set. Apply the thin-set with a fine-toothed trowel, spreading the mortar thin. Place the tile back onto the subfloor and use a striker hammer or rubber mallet to gently tamp it in place. Use a level to check that the tile is level before proceeding.

Use plastic spacers to maintain even grout lines between the tiles. Grout joint sizing is a matter of personal preference, though lines of quartz floors generally range from 2 to 6 mm (1/16 to 1/4 inch).

Finish buttering and tamping the remaining tiles, and then remove all plastic spacers.

Pour sanded grout onto the floor one small section at a time. Use a grout float to push the grout into the joints between the tiles. Wipe the surface of the quartz clean using a damp sponge before moving on to the next section.

Things you need

  • Cement backerboard
  • Utility knife
  • Straight edge
  • 3 cm (1 1/4 inch) concrete screws
  • Hammer drill or drill
  • Thin-set mortar
  • Trowel
  • Mesh tape
  • Tape measurer
  • Chalk line
  • Wet saw with diamond blade
  • Safety glasses
  • Striking hammer or rubber mallet
  • Level
  • Plastic spacers
  • Grout
  • Grout float
  • Water
  • Clean sponge

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