Flooring warranties are layered — there’s a manufacturer warranty on the product, and an installation warranty from the contractor. Understanding both, and what’s required to maintain coverage, is essential before you sign off on a flooring project. The most common warranty dispute in flooring is a homeowner who discovers a problem and finds out their warranty was voided by an installation error they didn’t know about at the time.

“The most important warranty question in flooring isn’t the duration — it’s what voids it. Manufacturer warranties on hardwood are often voided by installation over a subfloor that wasn’t dry enough, or by skipping acclimation. Those are installation decisions, not homeowner decisions. If the installer caused the void, the warranty claim should fall to them, not to you. But that conversation is much easier to have if you’ve got the installation conditions documented.”

— Finlay Morrison, certified flooring specialist and product consultant with 13 years of experience in residential flooring sales and installation across the Toronto and Hamilton areas

Manufacturer Warranty Questions

Close-up of a wooden parquet floor pattern.

What manufacturer warranty comes with this product?

Flooring products carry different warranty types covering different potential failures:

Wear layer warranty (LVP/LVT and engineered hardwood): Covers the wear layer wearing through under normal use. Premium products carry 15–25 year wear warranties; some carry lifetime. Ask specifically how long the wear layer is warranted and what “normal use” means.

Finish warranty (hardwood): Covers the finish coating becoming worn or damaged under normal use. Ask the duration.

Structural/waterproof warranty (LVP): For waterproof LVP, covers the core not being damaged by water infiltration. Ask what “waterproof” means in practice — is the entire product waterproof, or just the surface?

Fade/stain warranty: Covers discoloration under normal conditions. Ask whether fading is covered.

What a good answer looks like: Specific warranty terms for each component, provided in the manufacturer’s written warranty document.

What conditions void the manufacturer warranty?

This is the most important warranty question. Common warranty-voiding conditions in flooring include:

  • Installation over a subfloor that doesn’t meet flatness requirements
  • Installation over a subfloor with excessive moisture without proper moisture mitigation
  • Failure to acclimate the product per manufacturer requirements (hardwood)
  • Use of incompatible adhesives or fasteners
  • Incorrect cleaning products or methods
  • Installation of radiant heat without confirming product compatibility
  • Modification of the product

Ask specifically what voids the warranty and confirm the installer’s planned installation method doesn’t trigger any of these conditions.

Is installation by a certified installer required for full warranty?

Some flooring manufacturers — particularly for premium hardwood lines — offer enhanced warranty coverage only when installed by a certified installer. Ask whether certification is required and whether the contractor holds it.

Will the product be registered with the manufacturer?

Some manufacturer warranties require product registration within a set period to activate. Ask whether the contractor handles registration or whether that’s your responsibility.

Installation Warranty Questions

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Do you provide a written installation warranty?

Ask directly and ask for it in writing before work starts. The warranty should specify what defects are covered, for how long, and how to make a claim.

What a good answer looks like: A written installation warranty document included with the contract.

How long does the installation warranty last?

One to two years is standard for flooring installation. Ask the duration and get it in writing.

What does the installation warranty cover?

Ask specifically: does it cover squeaking caused by inadequate fastening? Gaps that develop beyond normal seasonal movement? Tiles that crack due to insufficient mortar coverage? Boards that cup or crown due to inadequate moisture management at installation?

What is excluded from the installation warranty?

Common exclusions: seasonal gapping within the manufacturer’s stated tolerances (normal for wood products), damage caused by the homeowner (flooding, dragging heavy objects), and failures caused by pre-existing subfloor conditions that were disclosed but not remediated.

Practical Warranty Advice

Document the installation conditions

For any future warranty claim — against the product or the installer — having a record of the installation conditions is invaluable. Before and during installation, note or photograph:

  • Moisture readings taken before installation
  • Subfloor flatness assessment results
  • Acclimation period (dates the product was in the home before installation)
  • The specific products installed, including lot/batch numbers

This documentation is the difference between a warranty claim that succeeds and one that’s denied because the conditions can’t be proven.

Keep leftover product

Ask the installer to leave any unused flooring (at minimum 5–10 square feet) for future repairs. Flooring products are updated and discontinued regularly. Having matching product for repairs is significantly easier than trying to match years later.

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