How to Clean a Concrete Basement Floor in 3 Steps

How to Clean a Concrete Basement Floor in 3 Steps


How to Clean a Concrete Basement Floor in 3 Steps

If you want to know how to clean a concrete basement floor with visible grime, here’s what you’ll need:

  • Cleaning solution (detergent)
  • ¼ cup ammonia
  • A bucket of water (warm)
  • A nylon brush (stiff bristles)

And here’s how to clean a concrete basement floor:

1.) Mix the detergent, ammonia and warm water together
2.) Apply the solution to the basement floor
3.) Vigorously scrub the surface with the nylon brush until the area is clean

NOTE: A brush with metallic fibers can dislodge in the concrete and rust, leaving marks.

If your basement has a musty smell, then you may have a mildew problem that needs some extra steps. Here’s how to clean a concrete basement floor with mildew and mold problems. You’ll need:

  • Household Bleach
  • Water
  • A spray bottle
  • A nylon brush (stiff bristles)
  • Fans
  • A dehumidifier (optional) 

1.) Open the basement windows for proper ventilation
2.) Turn on fans to further circulate fresh air
3.) Install the dehumidifier to take moisture out of the air, giving mold less opportunity to grow
4.) Mix 2 ounces of bleach per quart of water into the spray bottle
5.) Spray the floor (and walls if needed) with the mixture
6.) Scrub clean with a stiff nylon brush

Alternatively, you could try this trick.  You’ll need:

  • Bleaching powder (chlorinated lime)
  • A vacuum or broom

Bleaching powder can be found in the laundry aisle of any supermarket. All you need to do is to lightly sprinkle an even layer of bleaching powder on the basement floor, let it sit for 24 hours, and sweep or vacuum the powder away. This substance could potentially become a breathing hazard if left around for longer than a day, so be sure to throw it away in a trashcan outside immediately after getting it off the floor.




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