Why Is My Engineered Wood Floor Turning Black

Last january i was commissioned by a flooring manufacturer to inspect a prefinished 3 inch engineered oak floor that had developed dark spots.

Why is my engineered wood floor turning black.

When the wood itself is black the discoloration may be caused by mold or it may result from tannins in the wood reacting with minerals in the water. Such chemicals can create lower oxygen levels which also tend to create black rust. All the spots are are equal distance from each other in a line about 3 feet from each other. Why is my wood floor turning black.

For both scenarios the remedy involves stripping the finish and bleaching the wood or replacing the affected boards with new ones. Chemicals present in the floor coating process water formic and acetic acids and others can stimulate electrochemical cell activity which also accelerates the rate of corrosion between metal and wood. The homeowner was convinced the flooring was defective and wanted the floor replaced. What causes dark spots on wood floors.

They are not moist and they are not soft.