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Warped wooden floors: Causes and quick solutions
Problem wood floor Warping during use is a concern for many families. This condition can appear on both natural wood floors and industrial wood floors. If you do not know how to handle it promptly, it can easily damage the aesthetics of the house and cause danger during use.

4 common causes of wooden floors warping are:
- The wooden floor is water-logged and flooded
- Change in temperature of the environment
- Due to poor quality flooring
- Improper construction techniques
Depending on each case, the condition of the floorboards and the cause of the floor warping, we can choose the appropriate treatment method.
What causes wooden floors to warp?
There are 4 main causes of warping in wooden floors: flooded floors, environmental temperature, poor floor quality and improper construction techniques.
The wooden floor is water-logged and flooded
Water-logged or flooded wooden floors are a common cause for many households. If the water system has problems and leaks, the floor will be flooded with water. Although there are wooden floors that have good water resistance, being submerged in water for a long time will still lead to warping in the wooden floor.

Change in temperature of the environment
Our country has tropical monsoon weather conditions, hot and humid all year round, so wooden floors will also experience warping when the temperature changes suddenly. Especially when direct sunlight hits the floor, it will cause the floor to warp faster.

Due to poor quality flooring
Poor quality wood core is one of the leading causes of warping in wooden floors.
- For natural wood floors: The wood has not yet reached the age of exploitation, leading to unstable quality. After a while the floor will warp more quickly.
- For laminate floors: Currently on the market there are many lines of laminate flooring with different segments and features. Before purchasing for use, you need to carefully review the product's features to install it in the right place. Absolutely do not buy floating products of unknown origin on the market because these are floors with poor quality wood core, and after a period of use, the floor will warp.
For example: Installing a kitchen area where the environment has high humidity requires using laminate flooring with a 72-hour surface water lock feature. If it is covered by a flood warranty, that would be great.

Improper construction techniques
Sometimes warped wooden floors are caused by poor construction workers or improper construction techniques, leading to the floorboards being exposed. During use, when customers spill water, it will easily seep into the wood core, causing warping in the floor.

>>> See more: Instructions on how to properly install industrial wood floors.
How to handle warped wooden floors
To help you easily handle warping in wooden floors, Kosmos has divided the treatment methods according to each cause for customers to follow.
Because the floor was flooded
In case the floor is flooded, you first need to treat the source of the water leak, then use a towel to wipe off all the water on the floor surface. For the amount of water that seeps into the floor, we can use a fan to evaporate the water. If the flooding is too severe, you should call a construction worker to remove the wooden floor and dry it inside 5 days Then reinstall the floor and you're done.

Due to environmental temperature changes
When the floor shows warping, check if the room is not leaking water or if the warping is slight, the floor may be warped due to sudden temperature changes in the environment. In this case, please re-air the room with a fan or dehumidifier to help stabilize the room temperature. After a period of time, the floor will return to normal.

Due to poor quality flooring
Wooden floors are of low quality. As soon as they come into contact with water, they will immediately warp and become damaged during use, causing inconvenience to customers. These types will often not have a long lifespan and the sophistication will not be as beautiful as quality floors.

In this case, Kosmos always advises its customers to replace the entire floor with quality wooden planks. Although they will be more expensive initially, in the long run, they will save you a fair amount of money because they do not require much repair or maintenance.
Due to improper construction techniques
If the error causing warping in the wooden floor is due to the construction worker not leaving enough expansion space for the floor or leaving an unreasonable gap, what we need to do is immediately contact the construction team, they will remove the floorboards and cut and join. again. To avoid this error leading to warped floors, you need to find a reputable unit right from the moment you decide to install wooden floors “Money is lost and life is lost”.
For laminate flooring, when installing, it is necessary to leave space from the wall to the floor to allow the wooden floor to expand.
- For wooden floors with a thickness of 8mm, the distance needed is: 8 mm.
- For wooden floors with a thickness of 12mm, the distance needed is: 12 mm.
For natural wood floors, when installing, you need to leave a gap from the wall to the floor to allow the wood floor to expand from 8mm to 15mm.
Kosmos specializes in distributing durable, genuine and beautiful wooden floors
Famous for its quality wooden boards, Kosmos always focuses on from importing goods until delivery to customers. Ensuring that you will receive the best flooring. In particular, in 2024 Kosmos was honored to receive the title
“Reputable distributor of plastic wood, stone-grained PVC panels, Korean molding, fluted panels, wooden floors, and plastic floors in Vietnam”

>>> Discover more about Kosmos Vietnam wooden flooring warehouse.
Related question
Signs of warped wooden floors?
To identify whether wooden floors are warped, we can rely on the following phenomena:
- The floorboard surface is blistered, cracked, peeling, and changes color
- When moving, the wooden floor makes a squeaking sound and the feet are not sturdy
- You can see the gaps between the wooden planks are uneven
- Floorboards are wet, rough, etc.
How to clean wooden floors to prevent warping?
To avoid warping the floor, we need to do it correctly Steps to clean wooden floors or:
- Use a suitable wooden floor mop
- Choose a floor cleaner that does not have strong cleaning properties
- Squeeze out excess water before mopping and dry the floor with a soft towel
- Do not leave water standing on the wooden floor for too long,...

How to distinguish warping due to water absorption and warping due to other causes?
Below is a table to distinguish warped wooden floors due to water absorption and warping due to other causes that Kosmos compiled:
The wooden floor is warped due to water absorption | Wooden floors warp due to other reasons |
The warping phenomenon appears in areas near water sources | The warping phenomenon appears uniformly over the entire floor or large area |
Discolored wood floors are often darker | Wooden floors usually do not change color |
Has a musty, unpleasant odor | Usually there is no odor or mold |
Wooden floors are susceptible to softness and spongyness | Wooden floors are usually hard and sturdy |
Warping horizontally | Warping vertically |
How should I move furniture on wooden floors to avoid warping the floor?
To move furniture on wooden floors to avoid warping, we can do the following:
- Do not drag furniture on the floorboards, you can use a cart or lift things up when moving
- Use drop panels and foot pads under furniture to disperse the weight of furniture and protect the wooden floor surface.
Cost to fix warped wooden floors?
The cost to fix warped wooden floors today depends on many factors such as:
- Degree of warping
- Floor area needs to be repaired
- Causes of warped floors
- Type of wooden floor,…
The estimated cost to fix warped wood floors ranges from 500.000 – 2.000.000 VND/m2. However, to get the most accurate price, users need to contact wooden floor repair units for inspection and evaluation.
What is the process of constructing wooden floors to avoid warping?
6 steps installation and construction of wooden floors Current standards are:
- Renovating the surface of the construction of industrial laminate flooring
- Gather tools to install industrial laminate flooring
- Install the brace base where the brace needs to be used
- Spread foam floor mats
- Assemble industrial laminate flooring
- Installation of laminate flooring accessories
>>> Laminate flooring installation techniques.
Warped wooden floors are not a rare situation in many households when using wooden boards. Kosmos has provided the causes as well as solutions so that customers do not panic when encountering this problem and help their floors stay beautiful and durable.
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