How long can water sit on laminate flooring?

Author: Aliza Pouros  |  Last update: Tuesday, August 12, 2025

Typically, the longer water sits, the higher the chance it will cause damage. If the water dried within 24 to 48 hours, mold likely did not grow, and the flooring may be salvageable. However, it's always best to get a proper inspection to ensure there's no mold growth.

How long can water sit on water resistant laminate flooring?

You should always replace wet laminate flooring when the damage is a result of a sewage backup due to the risk of mold and bacteria or if you cannot start cleaning up right away after a flood, if water has been present for more than 24 hours, or if you notice the laminate floor is starting to swell or buckle.

What happens if I spill water on my laminate flooring?

Occasional spills should be nothing to worry about. But if your floor is submerged or stays in contact with water long enough, it can swell and break down. Water damaged boards can't be fixed, but they can be replaced. If you have leftover laminate flooring boards from your original installation, use those.

Will water under laminate flooring dry out?

If laminate flooring gets wet, promptly clean and dry it to prevent damage. Wipe up the water using towels, and use fans or dehumidifiers to expedite the drying process. Avoid leaving moisture on the floor for an extended period to prevent warping or mold growth.

What happens if you leave water on the floor?

If a leak or flood sits on your floor for 24 hours or more and/or reaches the edges of your floor and seeps underneath your flooring, it likely will need to be dried out completely. Usually, this will mean removing the flooring on-top of your subfloor.

Why you should tear out water damaged laminate flooring

How long does water have to be on floor to cause damage?

Leaky pipes, storm floods, and plumbing problems are just a few of the many ways water can damage your flooring. After the onset of flooding, it only takes 24 to 48 hours to cause significant damage.

How long can water sit on the floor?

Water can seep into walls, floors, and furniture, causing them to warp or rot. It can also damage electrical systems, leading to potential fire hazards. One of the most significant risks is the growth of mold and bacteria. These can start growing within 24 to 48 hours of water exposure.

How long does it take for mold to grow under wet laminate?

After a water leak, you should always remove any excess water or moisture as quickly as possible. Any affected surfaces should be thoroughly dried within 24 hours. If excess moisture in your home is left unchecked for longer than 48 hours, there is a good chance that mold will grow.

What happens if water gets under plank flooring?

Mold and Mildew Growth:

Moisture trapped beneath the flooring provides an ideal breeding ground for mold and mildew.

Is laminate flooring truly waterproof?

No, laminate flooring is generally not fully waterproof. It is often described as water-resistant, which means it can repel water for a limited time. However, if water is allowed to sit, it can penetrate the flooring and cause damage such as warping or buckling.

How long does it take for water to damage laminate?

Laminate flooring with a 15% swell rate is designed to resist moisture for a shorter duration. While it may provide waterproofing for a certain period, it's essential to understand the limitations. Typically, these floors can withstand water exposure for 24 to 48 hours.

How long does laminate flooring take to dry?

Depending on the amount of water and the ventilation in the room, it can take several hours to a few days for laminate flooring to dry completely.

What will ruin laminate flooring?

Laminate flooring, while cost-effective and popular, can experience problems such as buckling, warping, and fading. These issues often arise from water damage, prolonged exposure to sunlight, and inherent design limitations.

How can you tell if laminate flooring has water damage?

Buckling or Bubbling

When a laminate floor becomes soaked, it can begin to warp. As the floor absorbs water, you may begin to see pockets of water or bubbles form, such as in the picture below: You will almost always see these bubbles of water damage form at the seams of your laminate flooring.

How do you save water damaged laminate flooring?

How to Repair Laminate Flooring
  1. You can invest in a laminate repair kit.
  2. Dry the wet area with a dehumidifier.
  3. Minor bubbles can be burst to remove them. Firstly, place a damp cloth over the bubble. Use a knife to cut a slit in the area. ...
  4. In some cases where the damage is too large you will need to replace the plank.

Can you flatten swollen laminate flooring?

Apply weight to the floor: Once the area has started to dry, place heavy items, such as books, on top of the affiliated planks. This will help flatten them back into place while they dry.

Will water under laminate floor dry?

Use fans, dehumidifiers, or even a wet-dry vacuum to dry water under laminate flooring and the subfloor. Ensure proper ventilation to accelerate the drying process. You can also use towels to absorb excess moisture.

Is it OK to leave water on floor?

Leaving water standing on hardwood floors for an extended period is never a good idea. Water can penetrate the wood's surface, causing swelling, cupping, or staining. Promptly wipe up any spills or standing water using a dry cloth or mop to prevent damage.

Can mold grow under vinyl plank flooring?

Mold Growth: Mold can thrive under vinyl plank flooring due to moisture. Health Risks: Exposure to mold can lead to respiratory issues, allergies, and more serious health conditions. Vinyl Plank Flooring: While durable and versatile, can be a breeding ground for mold if not properly maintained.

How do I know if there is mold under my laminate flooring?

If you notice a persistent musty odor in a room, it could be a sign of mold growth beneath the flooring. Discoloration or stains: Look for any discoloration, warping, or stains on the surface of the laminate flooring. Water damage caused by mold growth can lead to changes in the appearance of the flooring material.

Will a one-time water leak cause mold?

A single water leak can lead to mold growth if not fixed quickly. Mold loves moist places and can start growing in 24 to 48 hours. Even small water damage can cause mold to grow. It's key to fix water damage fast to lower the water leak mold risk.

How long does it take for water to damage floorboards?

Particularly vulnerable to water damage is wood. It is a natural material susceptible to decay and mold when exposed to moisture or water. The wood is prone to develop mildew and mold during the first two hours to seven days of being exposed to moisture and water.

How long can water sit before it goes bad?

Drinking water that is thoroughly disinfected can be stored indefinitely in capped plastic or glass containers that water will not rust, as metal containers may. Because the disinfectant that was in the water when you stored it will slowly go away, replacing the water every six months is recommended. 2.

How long does water have to sit to cause water damage?

The first 24 hours are critical, but here is a quick breakdown of the water damage timeline: 24 to 72 Hours: After that initial day, the impact grows significantly. Wooden elements and drywall can be impacted and warped, and metal surfaces may begin to corrode.

What happens if water gets under your floor?

Second, if the subfloor, crawl space or basement are excessively wet the moisture will eventually penetrate the bottom of the boards resulting in excessive expansion.. Not only does this harm the aesthetics of your flat floor, but it can also cause structural damage if left unaddressed.

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