wood floor cupping after refinishing

Someone inexperienced at floor sanding and after having seen the results of professional and amateur results with belt and drum sanders so I rented one at the local Home Depot lucky for me. The moisture content of wood is also significant because it can be.

Cupping The Most Prevalent Form Of Wood Floor Distress Distressed Hardwood Floors Distressed Hardwood Hardwood Floors

Wood Flooring moisture reading.

. The amount of cupping will depend on the species swelling coefficient cut width thickness and the restraining forces that may be present. What happens when that moisture releases from the floor and it returns to its original state. If you sand off the cupped edges before it flattens you could end up with a scalloped floor in winter after it dries How to reduce Humidity under a House.

Lighter. Refinishing and or removal become more probable the longer drying the wet floor is delayed. Marks Scratches.

This is likely to be the case when a wood floor has finish on it. Cupping that happens after refinishing could be merely a coincidence or it could be the result of an impermeable finish trapping moisture. Whenever there is too much moisture the wood expands.

This video is about Cupping. Cupping occurs when the edges of the board are higher than the center of the board creating a concave shape. When water seeps into a plank of wood flooring the side of the board closest to the moisture will expand.

A floor that has water introduced to it from the top may cup as the water goes between the boards and enters the wood from the bottom. Jan 19 2021. We have a problem and hope someone.

Solid flooring can also be replaced and new planks more easily retrofitted into the existing flooring. Recently there was a question on a Facebook group from a contractor who had refinished a floor. Humidity buildup under a house is one of the main reason for a wood floors cupping and buckling.

Wood floor cupping after refinishing. Wood Floor Sanding Refinishing. Never use an overly.

The failure to properly acclimate a wood floor. The first thing to do is identify the source of the problem and correct it. The planks that make up wood flooring expand and contract based on the amount of moisture in the room.

Solid hardwood flooring offers the broadest range of options as you can sand and scrape away up to 14 of an inch of the wood to remove cupping or surface mold and staining once the planks are dry. If the hardwood cupping youve noticed is only in certain areas such as near sinks it may have been caused by spills or leaks. Hardwood floor buckeling and cupping after refinishing with poly.

This sounds like a mess Im afraid to say. A cupped wood floor occurs when flooring absorbs excessive moisture on the underside of the flooring planks causing expansion and cupping with the edges of the planks raised. If your hardwood floors have a wavy appearance they are likely cupping due to we.

The time to refinish wood flooring is after its flattened as much as it will. The floors and house date from the 1930s. Sanding a cupped floor flat before it is brought to a normal moisture content can eventually result in a crowned floor convex surface once the drying process is complete.

Cupping is a wood floors natural reaction to moisture. Loose or Creaking Boards. After 36 hours drying can still be very effective cupping can still be flattened and the finish can still be saved.

In both cases your floor will lose its even smoothness resulting in its surface becoming irregular. But the odds of success diminish with time. Hardwood floor buckeling and cupping after refinishing with poly.

When one side of the floor is exposed to excessive moisture that side will expand causing the. A wood floor that is placed in a house for acclimation during the time wet work such as painting and plastering is being performed may pick up moisture resulting in wood floor cupping following installation. In addition to ruining the appearance of a room cupped floors can lead to serious structural problems.

Moisture can also cause wood flooring to exhibit a condition called crowning in which the outer edges of the wood planks shrink and become lower than the middle of each plank. My daughter and my husband refinished her hardwood floors with Minwax products and finished the job about December of 2012. It may be considered to be the opposite of crowning where the center of a plank rises higher than the edges.

Wood floor cupping can be avoided or fixed by following a few simple steps. If the boards expand a tiny bit with change in. What Is Cupping in Hardwood Floors.

Always clean up any water spills immediately and if there is a water leak somewhere get it repaired before the cupping damage is out of control. Cupping in hardwood floors refers to a condition that causes individual planks to rise at the sides. Proper cleaning techniques will go a long way to preventing hardwood cupping.

Moisture Damage Spills. Wood is hygroscopic meaning that it absorbs and releases moisture. As weve learned wood floor cupping is caused by the expansion of the floor planks due to moisture.

Poly beads while rare can happen. The house is pier and beam construction with a crawl space under the house. The floor finish seeps between boards and devoid of air it is prevented from really drying and getting hard.

Gaps Splitting. The floor previously had no issues with cupping but after sanding and coating it the floor cupped. When it comes to wood flooring the floor your pretty stuff that is cupping needs to be within 3 of the moisture readings for the subfloor.

How to Fix Cupped Hardwood Flooring. This is an acceptable range for INSTALLATION. Termite Damage.

PS after a bit of research regarding a contemplated DIY floor refinishing project I concluded the U-Sand sander might be the best option for me ie. Anything from pipe leaks to a still-wet concrete slab to improper HVAC usage can cause cupping.

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