This is referred to as dry cupping wood floor cupping and product quality.
Cure wood floor cupping.
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.
Cupping is a result of the changes in moisture in the room.
But what is hardwood floor cupping.
Cupping develops gradually often due to inadequate acclimation of the wood 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.
Unlike solid wood engineered wood floor cupping often occurs when the moisture content of the flooring is lowered.
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.
However several common situations that are known to cause cupping can be addressed and can even be reversed.
Crowning can also be caused by previous floor cupping.
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.
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.
When the moisture increases the wood swells and then when it decreases the wood shrinks.