Walk into any flooring showroom and you’ll hear brand names tossed around like they’re the most important factor in choosing luxury vinyl plank (LVP). In reality, plank thickness and construction matter far more than the logo on the box—especially in Pennsylvania homes where temperature swings, moisture, and subfloor conditions vary widely.
At Cove Flooring & Design LLC, homeowners visiting our Martinsburg, PA often come in asking for a specific brand. We usually start by asking a different question: Where is the floor going, and what does it need to withstand?
Understanding Total Thickness vs. Wear Layer
Luxury vinyl plank thickness is typically measured in millimeters and refers to the entire plank, not just the wear layer. Most residential LVP falls between 4mm and 8mm, while premium options may go thicker.
Key components include:
Wear layer (measured in mils): Protects against scratches, dents, and stains
Core layer (SPC or WPC): Determines stability and comfort
Backing/underlayment: Adds sound absorption and minor thermal insulation
A thick plank with a thin wear layer can still fail prematurely. For busy households in Central PA, a 20-mil wear layer is often the minimum we recommend, regardless of brand.
Why Thicker Isn’t Just “Nicer”—It’s Smarter
Thicker LVP provides real, measurable benefits:
Improved subfloor forgiveness: Older homes in Martinsburg and surrounding areas often have minor subfloor imperfections. Thicker planks bridge these better, reducing telegraphing.
Better acoustic performance: Added mass reduces hollow sounds, especially over basements or crawl spaces.
Enhanced locking system strength: Thin planks are more likely to separate under heavy furniture or seasonal expansion.
This is especially important in open-concept layouts common throughout Blair and Bedford Counties, where long plank runs amplify weaknesses.
SPC vs. WPC Core: Thickness Changes the Equation
SPC (Stone Plastic Composite) cores are denser and more rigid, allowing thinner profiles without sacrificing strength. WPC (Wood Plastic Composite) cores are thicker and softer underfoot but may require more stable subfloors.
In practice:
SPC performs better in moisture-prone areas like kitchens and basements
WPC excels in living areas where comfort matters more than rigidity
Thickness must be evaluated in context, not isolation.
Why Brand Names Can Be Misleading
Major brands often offer multiple thicknesses under the same product line. Two planks with the same name can perform very differently depending on:
Total thickness
Core density
Wear layer rating
That’s why Cove Flooring & Design LLC focuses on spec sheets, not slogans.
Thickness Recommendations by Room
Living rooms & hallways: 6.5mm–8mm total thickness
Kitchens: SPC core, 5mm–6.5mm with 20-mil wear layer
Basements: SPC with integrated underlayment, moisture-rated
Bedrooms: WPC or thicker SPC for warmth and sound control
The Bottom Line
Thickness impacts comfort, durability, noise, and long-term performance far more than branding. Choosing the wrong thickness can shorten a floor’s lifespan—even if it’s a “premium” name.
If you’re unsure what thickness your home actually needs, the experts at Cove Flooring & Design LLC can evaluate your subfloor, lifestyle, and design goals.
Visit or call us today, and let us help you choose flooring built to last across Martinsburg, PA.


