How to prevent bathroom mildew and mould

Mildew and mould can cause serious health issues for people living in hospitals or aged care environments. Symptoms of mould may include:

  • – Nasal and sinus congestion, runny nose.
  • – Respiratory problems, such as wheezing and difficulty breathing, chest tightness.
  • – Cough.
  • – Throat irritation.
  • – Sneezing.

Elderly people and people with existing respiratory conditions are at a higher risk.

Mildew can be found on many different surfaces including cotton, linen, wool, leather, tiles and walls. It is a thin, black, or sometimes white, growth that will turn into mould if left untreated. Moulds are made from plant group fungi. Mildew and mould is common in humid summer weather, especially in poorly ventilated or wet areas such as bathrooms.

The Coverite team has compiled a list of six simple ways to help keep your bathroom tiles clean, reduce soap scum and prevent mould and mildew from taking hold.

  1. Leave the lights on. Ceiling lights reduce humidity and create a less comfortable environment for mould and mildew.
  2. Decrease humidity by keeping the space well ventilated. When possible, leave the bathroom door ajar when showering. Always turn ceiling or window exhaust fans on while showering to help suck the humid air out of the room.
  3. Apply Rain-X Repellent Spray to the shower walls and floors. Rain-X will cause the water to bead and slide off the surface.
  4. Towel dry tiles after every use. Use a cloth towel to remove surface water. Do not allow standing water to sit on the walls or floor tiles for long periods of time.
  5. Spray your tiles regularly with white vinegar. This is a natural and cost effective way to reduce mildew growth and disinfect your tiles.
  6. Switch to liquid soap. Soap scum is caused by the paraffin in bar soap. Try switching to liquid or gel body soap to stop mould and mildew from forming.


  1. maria jory

    To prevent mould and mildew on walls and ceilings, we have installed a showerdome. It stops steam forming in the bathroom which eliminates mould and mildew on surfaces.
    Haven’t had to use an exhaust fan in 10 years or leave windows open in the winter.

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