How to Clean Mildew on an MDF Floor

Written by sal marco
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How to Clean Mildew on an MDF Floor
MDF floors require specialised cleaners. (Digital Vision./Photodisc/Getty Images)

Medium density fiberboard (MDF) offers a stable flooring option. Manufacturers make finished MDF flooring in a range of colours and to resemble wood, stone and ceramic tiles. MDF flooring comes in layers with the MDF sandwiched in the middle of a backing, decorative layer and finally wear layers. Layers protect the MDF from water. MDF flooring, also known as laminate flooring, allows homeowners to have the look of an exotic wood or expensive stone without the cost. Mildew grows on MDF flooring in areas where the floor is damp or has little light or airflow. Generally, mildew sits atop the MDF flooring and does not penetrate through the wear layers.

Skill level:
Moderately Easy

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Things you need

  • Respirator
  • Gloves
  • Eye protection
  • Laminate floor cleaner
  • Rags
  • Mop
  • Hydrogen peroxide
  • Spray bottle
  • Sponge

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  1. 1

    Don a respirator, gloves and eye protection to avoid direct contact and inhalation of mildew.

  2. 2

    Spray the floor with specialised cleaner as recommended by the flooring manufacturer. Some laminate floor cleaners require dilution prior to use while others come as ready-to-use. Wet a clean rag or mop and wring out all excess water leaving the rag or mop barely damp. Scrub the mildew-laden area with the rag or mop to clean the mildew off the flooring surface. Dry the floor with a clean dry rag to remove excess moisture.

  3. 3

    Mix equal amounts of water and hydrogen peroxide in a spray bottle. Spray the mildew with the mixture and allow it to sit for five to 10 minutes. Spray the hydrogen peroxide and water mix onto a clean sponge and rub away the mildew spots. Rinse the sponge in plain water and wring out as much excess moisture as possible. Wipe the area to remove residue. Dry the area with a clean rag.

Tips and warnings

  • Use a dehumidifier in damp areas to help prevent the growth of mildew.
  • Set up a fan to increase airflow thereby decreasing the chance of mildew growth.
  • Test a hidden area of the flooring before using hydrogen peroxide to larger areas to evaluate potential surface damage.
  • Wet mildew before rubbing it to prevent the release of mildew spores into the air.
  • Do not use ammonia or bleach on laminated MDF flooring. Bleach or ammonia may remove the wear layers.
  • Do not use abrasives of any type as they will scratch the floor.
  • Avoid allowing water or moisture to remain on the floor.
  • Use only cleaners specifically intended for laminated MDF floors.

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