What happens if laminate flooring gets wet?

Author: Gerson Upton  |  Last update: Sunday, May 25, 2025

Can laminate flooring be damaged by water? Yes, laminate flooring can be damaged by water if moisture seeps into the seams and reaches the core. This can cause swelling, warping, or even mould growth.

Is laminate flooring ruined if it gets wet?

Delamination: Prolonged exposure to water can cause the layers of laminate to separate, a condition known as delamination. This can compromise the integrity of the flooring.

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 it take for mold to grow under wet laminate?

Mold from trapped moisture on floors can start forming in as little as 24 hours. Vinyl, tile, laminate, and other water-resistant flooring can still sustain water damage and develop mold. Call a professional water damage restoration company as soon as signs of water damage are detected.

What to do if water gets under vinyl flooring?

If water has seeped under the flooring, it's crucial to dry out the subfloor completely before reinstalling the vinyl. Use fans, dehumidifiers, or professional drying equipment to ensure all moisture is removed.

What if my laminate flooring gets wet?

How to fix water under laminate floor?

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.

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.

How do I know if I have water damage under my floor?

If sections of your floor feel bouncy or soft underfoot, it could indicate water damage beneath the surface. This is often caused by prolonged exposure to water that weakens the subfloor, which can lead to costly structural repairs if left untreated.

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.

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.

What does subfloor mold look like?

Subfloor mold can appear as dark spots or patches beneath flooring materials like carpets, vinyl, or laminate. It often grows on plywood or OSB substrates, common since the 1950s. The presence of subfloor mold can be hinted at by a musty odor.

How to tell if laminate flooring is waterproof?

Place a tile entirely in the bucket of water and remove it immediately. By seeing water droplets repelled from the surface of the planks, you can realize that it is waterproof. Now put the same plank in water for 24 hours and let it dry.

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 laminate flooring be 100% waterproof?

Each type of laminate flooring offers a specific level of water resistance, but none are entirely impervious to moisture. Even waterproof laminate can fail if exposed to standing water or flooding for extended periods. Choosing the right option depends on the room's moisture levels and your daily lifestyle needs.

What does water damaged laminate look like?

Use a flashlight, shining the beam at an angle to the planks, to be able to see color changes better. Aside from discoloration in the flooring installation, damage from water can cause planks to become loose. Over time, warping and buckling is an issue as well, due to excess moisture.

Will water under laminate dry out?

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.

Does insurance cover water damage to floors?

Most home insurance policies cover accidental and sudden damage caused by water. For example, a burst pipe that caused damage to a wall or floor would be covered. However, a gradual leak or seepage due to poor maintenance wouldn't be covered. Also, water damage insurance does not cover negligence.

What if water gets under vinyl plank flooring?

On the other hand, water under vinyl planks and subfloor that collects and has a place to infiltrate could turn into a bigger problem. Mold and mildew can form where moisture has a gap to enter. This can lead to damage that's bad enough to where you will need to rip up the floor and have it replaced.

How long does it take for water to damage laminate flooring?

It only takes as little as 24 hours for mold to start growing under wet laminate flooring, if the water is dirty, it has come from a dishwasher, outside groundwater, a toilet or dirty carpet it can start growing bacteria even quicker, in as little as 12 hours.

What kills mold on laminate flooring?

Scrub the affected area with a mixture of hot water and soap. Use an appropriate mold and mildew cleaner to disinfect the area. You can also use a diluted bleach solution (mix 1 cup of bleach in 1 gallon of water). Spray this cleaning solution directly onto the moldy floor and allow it to sit for 10 to 15 minutes.

How to tell if water is under a laminate floor?

If your laminate floor feels soft and spongy under your feet, this is one of the major signs that your floor has been water damaged. This is because when a laminate floor gets damaged by water, the underlying plywood will absorb moisture and swell, making the floor feel spongy.

What are symptoms of black mold exposure?

The most common symptoms of black mold exposure include:
  • Sneezing.
  • Coughing.
  • Nasal congestion.
  • Postnasal drip.
  • Red eyes.

What does mold under flooring look like?

Visible Signs

One of the most apparent indicators of mold is visible damage to your flooring. Look for: Discoloration: Patches of yellow, green, or black can signal mold growth. Warping: Uneven or bulging floorboards suggest moisture buildup, a breeding ground for mold.

What destroys vinyl plank flooring?

Enemies of Vinyl Flooring
  • Dirt and Grit: Acting like sandpaper, dirt and grit particles can scratch the wear layer of the vinyl, especially at entryways and high-traffic areas. ...
  • Sharp Objects: Dropping sharp objects like knives or tools can puncture or gouge vinyl.

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