Another common sign of mold growth below hardwood floors is the musty smell or odor it releases.

Black mold on hardwood floors. Spray the bleach solution in the moldy area, and let it sit for several minutes. Do not touch the mold. It can occur in both old and new.

The guide on how to remove mold under hardwood floors, including signs of mold under hardwood floors and how to remove it with 3 easy methods. Before removing the mold, you need to get rid of all the moisture in the wood. Scrub the area gently in circular motion until you remove the black color.

1.2 lighten the stain using bleach. If possible, vacuum over the subfloor with a vacuum cleaner. This will remove most of the dead mold.

Anytime you disturb a mold colony it increases the risk of releasing additional spores and irritating mycotoxins into the surrounding air. The most common reason for a hardwood floor to turn black is because it’s growing. To do so, get a large fan or two in the room that contains the mold and blow air.

Why your wood floor is turning black black mold spots in your floor from water damage. Products to remove black mold from hardwood floors. Mold can live on your hardwood floors whether they are new or old.

If the mold stains are stubborn, use a sponge to. Move to other areas and repeat the process until you remove the fungi from the wood’s surface entirely. You can combine 1 cup of bleach with 1 gallon of water.