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How to clean tile grout: Easy D.I.Y. tips for a fresh, bright finish

Light coloured tile kitchen needs grout cleaning.

Overview

Sparkling fresh grout lines can make a huge difference to your bathroom or kitchen. Over time, grout can gather dirt, stains and mould and become an unsightly grey, brown or even black. Giving them a good clean will transform your tiles. We’re sharing expert tips and step-by-step instructions for the best way to clean grout.

Safety tip: Always wear the appropriate safety equipment (safety glasses, gloves, ear muffs and a mask, for example) and always follow the instructions for the product or equipment.

Steps

  1. 1

    Prepare the tiles and grout for cleaning

    Begin by sweeping or vacuuming the floor to eliminate any loose hair, dirt, or dust. Next, use a dry, clean cloth to wipe down the surface, making sure to remove any lingering dust or loose particles. It's important to ensure that the surface is completely dry, as a dry surface is essential for effective tile grout cleaning.

    A person vacuuming the floor.
  2. 2

    Apply grout cleaner to the grout lines

    Put on your safety equipment (like rubber gloves and safety glasses) and apply the tile grout cleaner evenly along the grout lines, adding a few extra sprays to any stubborn areas. Allow the product to absorb according to the instructions on the label.

    If you’re after a more natural approach, try creating your own homemade tile grout cleaner. Mix equal parts baking soda and white vinegar in a bowl to form a paste the consistency of toothpaste. Using a sponge or your fingers, apply a liberal amount to the grout lines. Allow this to sit for five to 10 minutes.

    Applying the long life grout cleaner.
  3. 3

    Scrub the grout to remove dirt and stains

    Once the time is up, use an old toothbrush or grout brush to work the cleaner into the grout. Give the area a good scrub to help lift any dirt, debris or stains.

    If you’re using your homemade mixture and the grout doesn’t scrub clean easily, reapply the paste and leave it to sit for an hour before scrubbing again.

    A person is cleaning grout lines with a long-handled grout brush.
  4. 4

    Rinse away the grout cleaner and let the surface dry

    Use your shower head or a mop and a bucket of water to thoroughly rinse the cleaning solution off the tiles and grout. You can help the process by loosening any remaining bits of tile grout cleaner with a sponge and water. Allow the surface to dry completely.

    Tip: Opening a window or turning on the exhaust fan will help speed up the drying process and increase ventilation.

    A person mopping the floor with cotton mop.
  5. 5

    For a fresh and sparkling dishwasher...

    Check out our article on how to clean your dishwasher.
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Health & Safety

Asbestos, lead-based paints and copper chromium arsenic (CCA) treated timber are health hazards you need to look out for when renovating older homes. These substances can easily be disturbed when renovating and exposure to them can cause a range of life-threatening diseases and conditions including cancer. For information on the dangers of asbestos, lead-based paint and CCA treated timber and tips for dealing with these materials contact your local council's Environmental Health Officer or visit our Health & Safety page.

When following our advice in our D.I.Y. videos, make sure you use all equipment, including PPE, safely by following the manufacturer’s instructions. Check that the equipment is suitable for the task and that PPE fits properly. If you are unsure, hire an expert to do the job or talk to a Bunnings Team Member.