wood floor cupping after installation

It may be considered to be the opposite of crowning where the center of a plank rises higher than the edges. If the cupping occurs after a proper flooring installation moisture measurement still provides a key to solving the problem.

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This should be seen at the time the flooring is received prior to installation.

. Hardwood floor cupping is caused by a moisture imbalance in the flooring. If excess water was applied to the top surface the boards would curl the other way downward on the edges called crowning. Laying anything moisture-sensitive on top of concrete after its been newly-cast is inherently risky because of how it gives off moisture for a while.

At Gaylord Hardwood Flooring were experts in 2 things. This can happen especially in new construction especially if the floor was installed before any HVAC system is connected to your home. Recently there was a question on a Facebook group from a contractor who had refinished a floor.

If you sand a cupped floor without grain crush and moisture still is present in the wood it most likely will result in a crowned floor six months to a year later. Since 1985 we have been impressing customers with our quality products honesty. It is a condition when a wood floor gains more moisture on the underside of the board causing the boards to swell on one side giving the outside edges of the plank a raised look while the center remains flat.

In some cases grain crush can occur which means that the fibers in the wood maintain the cupped shape. Images below capture what we are seeing. Make sure that you have the air conditioning or heating on in the home when you install the hardwood floor.

The warping of the floor that leads to cupping is often traced back to the installation. Installation Causes of Wood Floor Cupping. Shows up in direct light not quite noticeable on just a glance but it is noticeable.

Hardwood floor buckeling and cupping after refinishing with poly. Wood flooring cupped at the time received should be returned not installed. Well wood cups away from the wet side toward the dry side.

Gluing a wood floor to anything is inherently risky because this install method allows air movement over the top of the wood but not the bottom encouraging moisture to congregate there. The floor previously had no issues with cupping but after sanding and coating it the floor cupped. Pet Stains Cupping Gaps Splitting Cracks Dullness Lighter Darker Spots Loose or Creaking Boards Tight or Popping Boards Marks Scratches Dents Moisture Damage Spills Flooding Removing Gunk Termite Damage Post Hole Beetles Removing Boards Wood Floor Sanding Refinishing.

Cupping is when the edges of a board are higher than its center creating concave shapes. In addition to ruining the appearance of a room cupped floors can lead to serious structural problems. See the picture at the top of this post for an example of a cupped floor Typically cupping is a problem that stems from excessive moisture.

Engineered and solid hardwood both contain real wood which will warp when it absorbs water. Cupping can occur if there is too much moisture in your concrete slab crawlspace basement or below-floor wood floor. Wet lumber improper air or kiln drying can result in cupping.

Hardwood floor cupping is caused by a moisture imbalance in the flooring. In many cases of slight to moderate wood floor cupping eliminating the source of the water and drying out the flooring can save the floor. You should also avoid having high moisture levels in the area even if it is only for a few days during the installation.

The center of the board dips below the edges. Cupping means that the wood that is raised on the edges of each individual floor board. If water seeps into a plank wood flooring it will expand on the side closest to the moisture.

Use quartersawn lumber rather than riftsawn or plainsawn because it handles atmospheric changes. First by measuring the RH of a concrete subfloor or by measuring the MC of the plywood or OSB wood subfloor with appropriate moisture measurement equipment you can eliminate the subfloor MC as the cuppings culprit. When water seeps into a plank of wood flooring the side of the board closest to the moisture will expand.

My daughter and my husband refinished her hardwood floors with Minwax products and finished the job about December of 2012. The floors and house date from the 1930s. Cupping is a wood floors natural reaction to moisture.

Other than moisture issues during summer your wood floor can also discolor. Cupping in hardwood floors refers to a condition that causes individual planks to rise at the sides. Just running a fan or dehumidifier.

Select flooring that is naturally resistant to cupping. Hardwood flooring customer service. As noted previously moisture movement within wood can be slow.

Repairing Wood Flooring Black Stains aka. Wood floors site finished 34 red oak 3 14 wide were installed in new construction and have been covered for last 2 months covering was removed and there is slight cupping in the floors. Cupping that happens after refinishing could be merely a coincidence or it could be the result of an impermeable finish trapping moisture.

The temperature should also be within a range of 60-80 degrees Fahrenheit. You have raised edges or cupping indicating the underside has a moisture imbalance. Installation wood varieties and more to help you pick the right hardwood flooring.

How to fix cupped hardwood floors. Cupping occurs when the edges of the board are higher than the center of the board creating a concave shape. Avoiding cupping begins before the wood flooring installation of course.

This makes the wood appear to be in a U shape. The environment should be controlled to remains within a relative humidity range of 30-50. Cupping that occurs after the flooring manufactured.

This can also happen if the humidity is higher in your crawl space or basement. I allowed to acclimatize to the house environment 72 hrs prior to installation. Wood flooring will always perform best in ideal range of temperature and relative humidity.

In both cases your floor will lose its even smoothness resulting in its surface becoming irregular. This is very isolated to a small area.

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