Clearing the Confusion: Is Luxury Vinyl Plank Flooring Waterproof?

The term “waterproof” is arguably the single most compelling reason homeowners choose luxury vinyl plank (LVP) flooring today.

Whether you’re upgrading a bathroom, remodeling a basement, or searching for a kid- and pet-friendly solution, the question—is luxury vinyl waterproof?—is central to the decision.

The answer, in short, is a resounding yes, but with a critical nuance that separates true waterproof LVP from basic water-resistant vinyl. Understanding this difference is essential for protecting your investment.

Is Luxury Vinyl Plank Flooring Waterproof - San Francisco, CA

The Waterproof vs. Water-Resistant Distinction

Water-Resistant

This means the product can withstand moisture and spills on the surface for a short period.

The material itself won’t be immediately ruined, but if water pools or seeps into the seams, the core material can swell (if it’s a non-rigid composite) or water can penetrate to the subfloor.

Many older or lower-grade LVP products are merely water-resistant.

Waterproof

This means the product is engineered to be entirely impervious to water, even if submerged.

This is the gold standard you should look for, and it applies to the plank’s core, top layer, and backing.

What Makes Modern LVP and LVT Truly Waterproof?

The modern generation of LVP and luxury vinyl tile (LVT) achieves its waterproof status through its multi-layer construction, specifically the core:

1. The Wear Layer (The Surface Seal)

The clear, top wear layer is non-porous and acts as the initial, impenetrable shield. Spills and splashes cannot penetrate the surface of the plank, making cleanup incredibly simple.

2. The Decorative Layer (The Visual)

This is the high-definition printed layer that mimics wood or stone. It, too, is sealed and unaffected by water.

3. The Rigid Waterproof Core (The Game-Changer)

This is the most critical layer. Modern, high-quality waterproof LVP uses one of two cores:

  • SPC (Stone Plastic Composite): This core is extremely dense and contains no wood products. Because it is completely non-porous, the SPC core will not swell, buckle, or warp if exposed to water or high humidity—even standing water.
  • WPC (Wood Plastic Composite): While containing some foaming agents for a softer feel, the WPC core is also engineered to be fully waterproof, preventing the core itself from ever absorbing moisture.

Where Does Waterproofing Fail?

It is vital to remember that while the plank itself is 100% waterproof, the installation still matters.

  1. The Seams: If the click-lock system or adhesive joints are poorly fitted, water can occasionally find a way to seep through the seams and down to the subfloor. While the LVP plank won’t be damaged, the subfloor beneath (especially wood subfloors) can still be affected.
  2. The Perimeter: If a large flood occurs, water can seep down the edges and perimeter of a floating floor installation.

The Key Takeaway: The quality of the waterproof LVP (especially its core) is what prevents the floor itself from being ruined by spills, pet accidents, or humidity. For total peace of mind in bathrooms and basements, always choose a product explicitly labeled as “100% Waterproof,” like high-grade SPC or WPC.

Take Advantage of LVP & Be Worry-Free with The Floor Store

Our team is ready to show you the difference a truly waterproof core makes. Call or visit one of our 10+ convenient showrooms in San Rafael, Sunnyvale, Richmond/Albany, and Concord.

We are proud to serve the entire Bay Area and Northern California, helping you find the perfect, most durable flooring. Visit us today to begin your next project!