Can water seep under vinyl plank flooring?

Author: Kenyatta Jast  |  Last update: Sunday, January 25, 2026

Vinyl tiles do not absorb spills or pet mishaps because they are non-porous. However, in the event of a severe flooding incident, water will seep through the joints or the points where the planks connect as a result of the continuous pressure.

What happens if water gets under vinyl plank flooring?

If water gets under the vinyl flooring, it's important to lift the affected planks or tiles, dry out the subfloor, and replace the flooring to prevent mould or mildew growth.

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.

What happens when water gets under a floating floor?

If you allow water to sit underneath your floors for an extended period of time it will warp, cup, crown, buckle or destroy your floors. If you try to dry the floor with fans and dehumidifiers by blowing them across the floor you may overdry the top and not address the subfloor or concrete below the floor.

Can vinyl plank flooring survive flooding?

If your home experiences flooding or standing water for an extended period of time, you will need to replace your luxury vinyl plank flooring before any major damages can set in. Thus, luxury vinyl plank flooring is waterproof, but not flood-proof.

🚨 Attention all luxury vinyl plank (LVP) owners! 🚨When water is trapped beneath your LVP flooring.

Can water penetrate vinyl plank flooring?

2)Improper Installation

Otherwise, correctly installed vinyl planks will stop water from penetrating and they withstand high humidity levels fairly well.

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.

How do I know if there is water under my floor?

If you see water coming up through the seams, or hear a squishing sound, you can know for sure that water is underneath your floor and it needs to be removed.

How long does it take for mold to grow under 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.

How do you stop moisture under vinyl flooring?

Use moisture barriers or underlayment specifically designed for LVP flooring to prevent moisture from seeping up from the subfloor. Proper sealing around the edges and at the joints can also prevent water from penetrating beneath the planks.

Should I put anything under my vinyl plank flooring?

To get the most out of your LVP you will want to consider what is underneath the flooring. An underlayment provides the proper support to make sure your LVP makes it the long haul.

How do you check for moisture under vinyl flooring?

How Do You Check for Moisture Under Vinyl Flooring? Use moisture meters or conduct a relative humidity (RH) test to check for moisture under vinyl flooring. RH tests involves drilling a hole into the concrete and placing a probe to measure the moisture levels.

Is vinyl plank flooring porous?

Vinyl is made of plastic, which is a non porous material. Because vinyl planks and tiles interlock, they provide water resistance at the seam. Some vinyl flooring brands now sell planks and tiles that are 100% waterproof.

How to fix water seeping through a floor?

How to Stop Water From Seeping Through Your Floor
  1. 1) Damaged surface floor: Repair or replace the damaged flooring to prevent water from seeping through. ...
  2. 2) Cracks in the foundation: Fill any cracks in the foundation with an appropriate sealant to prevent water from seeping through.

Why is my vinyl floor sinking?

The most common reason for a sagging floor is a flaw in the design that doesn't provide adequate support for the flooring.

Is waterproofing required under vinyl flooring?

Moisture build up beneath vinyls where negative pressures result in membrane failure and adhesive failure – One of the reasons that we are required to waterproof beneath vinyl is the presence and build-up of condensation beneath the vinyl.

How to tell if mold is under vinyl flooring?

If your house smells musty, or you notice discoloration on your flooring, you may have mold under your vinyl flooring. Mold seldom remains hidden for long, so if you see mold creeping up from under your vinyl flooring–you're probably looking at a much bigger problem.

What if there is a small amount of water under laminate flooring?

When the water reaches under laminate flooring, the water must be removed immediately. If a small amount of water has leaked toward the edges of the flooring, pull up any quarter-round (shoe molding) or baseboards around the perimeter. If the water is not pervasive, you may be able to extract it with a wet-dry vacuum.

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.

What to do when water gets under LVP?

Take immediate action to identify and rectify the source of the moisture. Thoroughly dry the affected area, then consider consulting a professional if the damage is extensive. Homeowners can effectively safeguard their LVP flooring against water damage by implementing these preventive measures and maintenance tips.

How to detect a water leak under the floor?

  1. Watch For Sudden Water Bill Increases. ...
  2. Inspect For Wet or Damaged Flooring. ...
  3. Follow Moldy or Musty Smells To The Source. ...
  4. Take Visible Mold Seriously. ...
  5. Monitor Unusual Noises. ...
  6. Check for Damaged Concrete. ...
  7. Link Potential Outdoor Issues. ...
  8. Know What to Do After Detecting a Water Leak Under Your Concrete Floor.

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.

What is the life expectancy of vinyl plank flooring?

Generally speaking, vinyl sheet flooring will last anywhere from 10 to 20 years, while vinyl plank and tile flooring will last 15 to 20 years. The thickness of its wear layer vastly impacts vinyl flooring's lifespan, so pay attention to this detail when purchasing your flooring.

Can I use Swiffer wet pads on vinyl plank flooring?

If your flooring is waterproof, you can use a wet Swiffer safely, and can get a deeper clean than you'll get with a dry mop. Make sure that you use pads that feature a neutral household cleanser, rather than any harsh chemicals that could damage the flooring.

Can you put a refrigerator on vinyl plank flooring?

Since most furniture will not go under just one plank, it is perfectly safe for bulky furniture and refrigerators to go on vinyl plank flooring. Vinyl plank flooring will not be damaged or cracked by home appliances' weight due to its strong durability.

Previous article
Can I use a stove while the oven is self-cleaning?
Next article
Which type of bacteria is more resistant?