Hardwood Floor Humidity Cupping

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Hardwood floor humidity cupping.

More severe cases however indicate a serious moisture problem. Hardwood floor moisture problems. I called the company who installed the floor and they said the moisture level was too high. Too much indoor humidity for an extended period will create the adverse effects of cupping and crowning.

Cupping in solid wood floors. The moisture will therefore try to move inside and cupping will start taking place when the moisture cannot escape through the floor boards due to impermeable sealants such as polyurethane. Wood floor cupping as the name suggests is a condition where the edges of floorboards curl upward. This is a reaction due to a humidity level disproportion in the wood plank.

Cupping in hardwood floors is caused by changes in moisture levels whether decreases in the air rh above or increases in moisture from below. When moisture interacts with a hardwood floor the side of the boards closest to the moisture expands. Increase the relative humidity in the room with cupped floors to 20 percent to prevent cupping from the air being too dry. Whether your hardwood floor is made of solid or engineered wood it is bound to react to moisture so ensure you take the precautionary measures to prevent cupping.

Hardwood floor cupping and crowning. Other causes of hardwood floor cupping could include situations such as basement plumbing leaks that allow moisture to migrate up into the subfloor and into the wood flooring or the heat from a wood. From the latest industry news to business best practices to installation techniques we strive to ensure the right information is available to you when and where you need it most. This expansion can be in the form of cupping the center of the board is lower than the edges or crowning the center of the board is higher than the edges.

The paper will curl up away from the water. It is not hard to see the effect in. Moisture from below can affect the moisture content of hardwood floors. The general effect is easy to demonstrate by putting a small strip of paper onto a small drop of water.

David land august 13 2018 at 4 29 pm. Let s face it even though hardwood floors have a long shelf life it doesn t save them from problems that occur due to climatic conditions humidity and excessive wear and tear. I have a new 6 month old on site installation of 3 4 inch hardwood flooring that is cupping. Moisture is at 4 5.

The wet subfloor wets the bottom of wood flooring which causes the bottom of the planks to swell causing cupping in summer said rachael.