Bright and clean living room with laminate flooring, showing its stylish and affordable appeal.
  • Composition and distinctive features of the laminate flooring.
  • How water affects laminate and what kind of damage it can cause.
  • Preventative measures and solutions for protecting your floors from water damage.

Understanding Laminate Flooring

Professional installation of laminate flooring with attention to proper sealing and underlayment
Proper installation techniques, including underlayment and sealing edges, can prevent water damage.

What is Laminate Flooring Made Of?

Why Homeowners Love Laminate Flooring

  • Cost-effective: It is relatively more inexpensive compared to hardwood or stone options.
  • Durability: The wear layer protects against everyday wear and tear, making it suitable for busy households.
  • Easy Maintenance: Simple cleaning routines keep it looking fresh.
  • Aesthetic Variety: Laminate flooring is available in countless designs, colors, and textures to suit any style.

Common Uses for Laminate Flooring

  • Living Rooms and Bedrooms: The warmth and design make it a popular choice for interiors.
  • Offices and Studios: It is durable enough to take on heavy foot traffic and maintain an attractive appearance in an apartment or studio.
  • Low-Moisture Areas: Though not ideal for bathrooms or basements, in kitchens, it works quite well with proper care and precautions.

How Water Affects Laminate Flooring

Laminate Flooring: Water-Resistant vs. Waterproof

  • Water-resistant: Laminate flooring could withstand minor spills and damp mopping if cleaned immediately.
  • Waterproof: Unlike true waterproof materials, laminate flooring can’t withstand prolonged exposure to moisture or standing water.

How Water Seep into the Laminate Flooring

  • Edges and Seams: This is the interlocking system between planks, which is a primary entry point for water.
  • Joints: The point at which the planks meet is highly susceptible, unless sealed properly.
  • Surface Damage: Scratches or wear can weaken the protective layer and allow water to seep into the core.

Immediate and Long-Term Effects of Water Exposure

Immediate Effects:

  • Swelling along the edges and seams.
  • A spongy or soft feeling underfoot.

Long-Term Effects:

  • Warping: Planks become uneven and lose their shape.
  • Discoloration: Affected areas may appear darker or stained.
  • Mold and Mildew: Moisture trapped beneath the flooring fosters microbial growth, posing health risks.

The Most Important Signs of Water Damage to Laminate Flooring

Buckling and Lifting

Close-up of laminate flooring with buckling and uneven seams caused by water damage.
Buckling laminate flooring is a common sign of water damage.
  • Due to contact between the laminate flooring and water, the planks:
  • Bend or rise at the sides
  • Buckle off from the subfloor, showing the irregular surfaces

Gaps Between Planks

  • Expansion or contraction of planks subjected to water may cause:
  • Appear an open gap between the boards.
  • Misalignment that disrupts the smooth appearance of the floor.

Mold or Mildew Growth

  • Too much trapped moisture under the floor can result in:
  • A musty smell in the room.
  • Visible mold growth around the seams or underneath planks.

Fading or Discoloration

  • Water-damaged areas tend to look different from the rest of the flooring:
  • Dark spots where water has seeped into the flooring.
  • Faded or stained patches from prolonged exposure.

When These Signs Become Irreversible

  • Swollen or warped planks cannot return to their original shape. 
  • Mold infestation necessitates the immediate removal of the attacked material. 

Common Causes of Water Damage to Laminate Flooring

Spills and Leaks from Appliances

  • Appliances such as dishwashers, washing machines, and refrigerators may cause water damage as outlined below.
  • Drips or slow leaks may not always be detected until damage has already set in.
  • Sudden appliance malfunctions or overflows may dump a considerable quantity of water on the floor.

Too Much Humidity or Insufficient Ventilation

  • High humidity levels and poor airflow create moisture-related issues:
  • In humid climates or rooms like bathrooms, moisture can seep into the laminate over time.
  • Lack of ventilation prevents moisture from evaporating, exacerbating water exposure.

Flooding and Plumbing Issues

  • Basement floods and plumbing failures are among the most severe causes of water damage:
  • Burst pipes or heavy rains can saturate laminate flooring.
  • Prolonged standing water compromises the floor’s structural integrity.

Improper Installation and Lack of Moisture Barriers

  • Installation errors can leave your laminate flooring vulnerable: water can seep in through gaps or uneven seams; failing to install moisture barriers in areas like kitchens or basements increases the risk.

How to Avoid Water Damages to Laminate Flooring

Various waterproof flooring options, including vinyl planks and laminate with water droplets, highlighting water resistance.
Waterproof flooring options like vinyl planks offer superior protection in wet areas.

Get Water-Resistant or Waterproof Laminate

  • Go for laminates made with the inclusion of moisture-resistant features.
  • The water-resistant core and sealed edges add to the protection of the flooring from water.

Installation

  • Use good-quality underlayment that creates a barrier between the subfloor and laminate.
  • Seal the edges and joints to minimize the chance of water seeping through the joints.

Ensure Proper Installation

  • Installation mistakes can be prevented by hiring experienced professionals. 
  • Practice regular maintenance and cleaning: wipe up spills immediately to avoid instances of water sitting on the surface, use a damp-not wet-mop for cleaning to prevent excess water exposure, check for leaks around appliances and plumbing.

 Install Moisture Barriers in Prone Areas:

What to Do If Your Laminate Flooring Gets Wet

Immediate Actions to Minimize Damage

  • Dry the Area: Absorb standing water with towels.
  • Increase Air Circulation: Switch on fans and open windows for proper drying.
  • Use Dehumidifiers: Remove extra moisture from the air to hasten drying.

Determine Whether the Damage Is Repairable

  • Check the planks for swelling, buckling, or discoloration
  • The core might be penetrated with water if the planks are soft and spongy

Damaged Laminate Flooring: How to Know When to Replace and Repair

  • Severely warped and moldy planks are unrecoverable and need replacement as soon as possible.
  • Mild water damage can potentially be repaired by replacing specific damaged boards and resealing seams

Restoration Options from Professionals

  • Get in touch with a professional floor technician when the extent of the damage is extensive and not very clear.
  • Professionals can let you know if there are hidden problems in the subfloor and what the effective solutions are.

Can You Waterproof Laminate Flooring After Installation?

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