Why Does Hardwood Floor Turn Black

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.

Why does hardwood floor turn black.

The wood turned black. Hazy floors can occur when too much cleaner is used. We installed our hardwood floors in nov 05 and about six months later the floor started lifting. 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.

When hardwood flooring turns dark it s the unfortunate result of moisture penetrating the wood itself. While water can be used as part of the cleaning process too much water on a hardwood floor can damage floors and alter its look. Fortunately this is not a common occurrence. 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.

The cause by the time of inspection the dark areas in the floor encompassed about 40 percent of the floor. We have pulled all the floor up again and. Moisture content of buckling floor. Buckling occurs when the wood flooring actually pulls up from the subfloor lifting several inches in one or more places.

I have used vinegar and water. Although there are a few quick fixes proclaimed to work the only sure way to undo the damage is to restore the floor. 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. Mineral streaks deposits are a discolored line spot or band in the wood that may range in color from light gray to tan olive green brown purple blue or black.

Water and hardwood floors don t mix. Such chemicals can create lower oxygen levels which also tend to create black rust. I had a gentleman come and do a moisture test and he mentioned the moisture should be 14 or below my moisture was at 25. For both scenarios the remedy involves.

Floor buckling is the most extreme reaction to moisture in a hardwood floor. Using too much water can cause the wood to swell and buckle while using the wrong cleaning products can cause damage to the wood surface. However the flooring was not delaminating and no cupping was evident. Mineral streaks deposits are naturally occurring and they are often considered to add value and visual appeal to the wood.