When the moisture increases the wood swells and then when it decreases the wood shrinks.
Cure wood floor cupping.
Wood floors will cup if installed in damp basements or if the concrete subfloor beneath did not properly cure before installation.
Here s how that happens.
Wood floor crowning is the opposite of cupping and happens when the center of the board is higher than the edges.
But what is hardwood floor cupping.
Unlike solid wood engineered wood floor cupping often occurs when the moisture content of the flooring is lowered.
Leaks from plumbing or appliances can also cause wood floors to cup.
It refers to a state when the individual wood planks appear to be higher on the edges as compared to the center of the board forming the shape of a cup.
This is referred to as dry cupping wood floor cupping and product quality.
After the floor had performed well for a year and a half the floor suffered a serious failure within the period of a few weeks and had to be replaced.
Cupping can happen even to a flawlessly installed wood floor depending on the conditions of the building and the environment.
Cupping is a result of the changes in moisture in the room.
Wood floor cupping can occur with any width board though the cupped appearance will often be greater with a wide plank due to its wider width.
Like cupping wood floor crowning happens because the boards are exposed to a moisture imbalance over an extended period of time.
However several common situations that are known to cause cupping can be addressed and can even be reversed.