Crowning can also be caused by previous floor cupping.
Cure wood floor cupping.
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.
One instance that involved a delayed manifestation of a cupping problem was a wood floor installed on the second of three levels in an existing structure in a warm humid climate.
Wood floor crowning is the opposite of cupping and happens when the center of the board is higher than the edges.
Cupping develops gradually often due to inadequate acclimation of the wood before installation.
Here s how that happens.
Cupping can happen even to a flawlessly installed wood floor depending on the conditions of the building and the environment.
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.
Leaks from plumbing or appliances can also cause wood floors to cup.
Cupping is a result of the changes in moisture in the room.
But what is hardwood floor cupping.
When the moisture increases the wood swells and then when it decreases the wood shrinks.
Like cupping wood floor crowning happens because the boards are exposed to a moisture imbalance over an extended period of time.
Unlike solid wood engineered wood floor cupping often occurs when the moisture content of the flooring is lowered.
Wood floors will cup if installed in damp basements or if the concrete subfloor beneath did not properly cure before installation.