Black Spots On Engineered Hardwood

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.

Black spots on engineered hardwood.

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. Black spots on wood can also appear due to prolonged exposure of water and metal nails forming the iron oxide. However items such as oil water grease and pet urine will create black spots on the hardwood floors. These discolorations will cause your hardwood floors to look old and dingy.

Ceramic tile sheet. The gulf coast area home was late 1970s construction with a concrete slab. For more on black spots see my previous article what causes mysterious black spots in wood floors. Last january i was commissioned by a flooring manufacturer to inspect a prefinished 3 inch engineered oak floor that had developed dark spots.

I considered black iron oxide contamination but such spots encapsulate once the finish is dry and do not spread. With the proper care hardwood floors will last a lifetime. It reacts with the tannin in the wood and turns black. The homeowner was convinced the flooring was defective and wanted the floor replaced.

Dip a small brush such as a toothbrush into a small amount of bleach and rub onto the stain. The use of the best hardwood steam mops is recommended for sealed floors.