Add two to three drops of a tetrachloride containing dry cleaning spot remover to black spots.
Black dots on hardwood floor.
Wipe away mold and mildew spots using a solution of one quarter cup of bleach mixed with one cup of water.
How to remove black spots from hardwood floors.
Place the soaked cloth or cotton wool on the white marks and allow it to soak in the wood to completely bleach the.
Dark spots on hardwood flooring are commonly the result of some type of liquid that has soaked into the polyurethane finish and top layers of wood.
The floor i was dealing with was 740 square feet of red oak flooring.
Ceiling leakage could also be leading drips of water to your floor and no sooner you realize a black stain is already formed.
Wipe the spot remover off the hardwood floors with a damp cloth.
Its 38 year old oil poly had been sanded off and the red oak had been coated with waterborne urethane finish.
Scrub the spot remover with a soft bristled scrub brush for several seconds.
Soak it in the hydrogen peroxide.
Unlike white water stains residing on the very surface of the hardwood floor dark stains require more steps and products in order to restore the beauty of the wood.
As i searched for more information on this problem all i could find were vague references to metal shavings common on hardwood floor projects due to contractors sharpening scrapers over the floor causing black spots with waterborne finish but nothing explained when how or why this occurred.
Growth of molds on hardwood floor caused by moisture can also destroy the beauty of your hardwood floor.
Prepare a 50 50 solution.
Measure a small amount of hydrogen peroxide and pour it in a plastic basin or plastic container.
Soak a clean cloth or tea towel in vinegar and and gently rub the affected area and allow to dry.