Knowledge CenterSPC / LVP / Vinyl

Vinyl Plank Flooring Failures

Last Updated: July 2026By Efi Eylor · NWFA Certified Inspector

Vinyl plank flooring — including LVP, SPC, and WPC — is one of the most installed flooring types in America. While generally durable, vinyl plank can experience a range of failures including buckling, seam separation, curling, staining, and delamination. Each failure mode has specific causes, and a certified inspector is trained to distinguish between product defects, installation errors, and environmental factors.

Key Takeaways

  • Buckling is most often caused by thermal expansion without adequate gaps, or subfloor irregularities
  • Seam separation can result from locking system damage, manufacturing defects, or subfloor movement
  • Curling at plank edges often indicates adhesive failure in glue-down applications
  • Staining and discoloration can result from chemical reactions, rubber transfer, or subfloor moisture
  • A certified inspection evaluates all potential causes: subfloor, installation, product, and environment

Frequently Asked Questions

Is SPC flooring really waterproof?

SPC is waterproof at the surface, but moisture beneath the floor can still cause subfloor damage, adhesive failure, and mold. Waterproof does not mean damage-proof.

How much does a vinyl floor inspection cost?

Our Standard Flooring Inspection starts at $550 and covers vinyl, LVP, SPC, laminate, and carpet. Includes visual assessment, moisture testing, and a written report.

Will my warranty cover this?

Manufacturer warranties typically cover product defects but not installation errors. A certified inspection determines whether the failure is a product or installation issue.

About the Author

Efi Eylor — NWFA Certified Flooring Inspector

Efi Eylor

Independent flooring inspector serving Southern California. Certified as NWFA Certified Inspector (#CP2416122), FCITS Master Inspector (#2031), NALFA Inspector, IFCII Inspector, and CFI University graduate. Specializes in forensic flooring investigations, moisture diagnostics, insurance claims, and expert witness services.

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