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Home / FLOORING / Homogeneous Vinyl Flooring Glossary

Here you’ll find concise explanations of the most important terms across product structure, testing standards, hygiene and ESD performance, coving details, adhesives, subfloor preparation, and maintenance. Use it to streamline communication with manufacturers, improve project documentation, and ensure your specifications meet clinical and cleanroom requirements.


Term Directions
Homogeneous Vinyl FlooringA single-layer PVC sheet with uniform composition and color through the entire thickness.
PVC SheetFlexible vinyl flooring supplied in rolls, typically 2.0–2.5 mm gauge.
Gauge (Thickness)Overall thickness of the sheet, commonly 2.0 mm or 2.5 mm.
Wear Group THighest wear resistance class per EN 660-2 for homogeneous vinyl.
Non-Directional PatternGranular design without a visible grain direction.
Directional PatternLinear or marbled pattern with directionality.
PUR / PU ReinforcedFactory-applied polyurethane reinforcement for easier maintenance.
Stain ResistanceResistance to staining from chemicals, dyes, and cleaners.
Color Fastness to LightResistance to fading under light; often ≥6 per EN ISO 105-B02.
Residual IndentationIndentation remaining after load removal; tested per ISO 24343-1.
Dimensional StabilityResistance to size change after thermal or humidity exposure; ISO 23999.
FlexibilityAbility to bend without cracking; tested per ISO 24344/EN 435.
Castor Chair ResistanceSuitability for rolling casters without damage; ISO 4918.
Slip Resistance (PTV)Pendulum Test Value; ≥36 (wet) is a common benchmark.
Ramp Test (DIN 51130)Shod ramp slip rating (R9–R13).
Barefoot Ramp (DIN 51097)Barefoot ramp slip class (A–C).
Fire ClassificationReaction to fire per EN 13501-1 (e.g., Bfl-s1).
TVOC EmissionsTotal VOC emissions affecting indoor air quality.
FloorScore / M1Low-emission certifications for indoor air quality.
Phthalate-FreeFormulated without phthalate plasticizers.
Full-Spread AdhesiveAdhesive applied to the entire subfloor; wet/semi-wet/pressure-sensitive.
Pressure-Sensitive Adhesive (PSA)Adhesive that remains tacky and forms bond under pressure.
Wet Lay / Semi-WetAdhesive open time conditions during installation.
Heat WeldingHot-air welding of seams using matching welding rod.
Cold WeldingChemical seam sealing without heat.
Welding RodThermoplastic rod used to weld sheet seams.
GroovingCutting a groove along seams prior to welding.
Trimming (Speed Skiving)Removing excess welding rod flush with the surface.
50 kg RollerHeavy roller used to consolidate the bond.
Coving (Flash Coving)Turning the sheet up the wall for a hygienic upstand.
Cove FormerProfile to create a smooth cove radius at the floor/wall junction.
Capping StripProfile to finish the top edge of the coved sheet.
Internal/External CornersPreformed or site-made corners for continuous coving.
Seam LayoutStrategic placement of seams to minimize traffic exposure.
Pattern Direction ArrowsBackside arrows guiding alignment for directional decors.
AcclimationAllowing materials to reach site temperature/humidity before install.
Underfloor Heating CompatibilityUse with radiant heat, typically ≤27°C surface temperature.
Subfloor FlatnessFlatness tolerance requirement before installation.
PrimingApplying primer to improve adhesion and dust binding.
Self-Leveling Compound (SLC)Cementitious underlayment to correct flatness.
Moisture BarrierSystem to prevent moisture migration from subfloor.
ASTM F2170In-situ RH test method for concrete slabs.
ASTM F1869Moisture vapor emission rate (MVER) via calcium chloride.
BS 8203 / AS 1884Installation codes for resilient flooring in UK/AU.
EN ISO 10581Product standard for homogeneous PVC floor coverings.
EN 660-2Wear resistance test and wear group classification.
EN 425 / ISO 4918Castor chair test for resilient floor coverings.
ISO 26987Determination of resistance to surface chemicals.
EN 13893Coefficient of friction test on smooth floors.
EN 13501-1Reaction-to-fire classification for building products.
ISO 23999Dimensional stability after exposure to heat.
EN 14041 / CPR DoPCE marking and Declaration of Performance for floor coverings.
Antibacterial TreatmentSurface technology inhibiting bacterial growth.
Fungistatic / AntifungalResistance to fungal growth in humid areas.
ESD FlooringStatic dissipative sheet with controlled resistance.
Conductive FlooringHighly conductive sheet for cleanrooms and ORs.
IEC 61340-4-1/-5-1Standards for electrical resistance and ESD control.
Grounding Copper TapeCopper strip used under seams for grounding ESD floors.
Resistance Range (Ohms)Typical conductive 10^4–10^6 Ω, dissipative 10^6–10^9 Ω.
Cleanroom CompatibilityLow particulate and low TVOC for ISO 14644 environments.
Healthcare UseSeam-welded, coved installations for infection control.
No-Wax MaintenanceRoutine cleaning without polish due to PUR finish.
Scrub and RecoatPeriodic deep clean and optional polymer finish.
Neutral pH CleanerDaily cleaner that will not damage PUR.
Spray Clean & BuffSpray cleaning followed by high-speed buffing.
Iodine/Betadine StainCommon hospital stains requiring prompt cleaning.
Walk-Off MattingMatting system to reduce tracked-in dirt.
Roll WidthCommonly 2.0 m; affects seam count and layout.
Roll LengthCommonly 20 m; varies by manufacturer.
Roll WeightMass of a roll used for handling and freight planning.
Batch / LotProduction traceability and shade control.
Shade VariationManaging color consistency across areas.
WarrantyCoverage terms for wear and manufacturing defects.
Lead TimeTime from order to shipment.
MOQMinimum order quantity per color or project.
EPD / LCAEnvironmental Product Declaration per ISO 14025.
REACH/SVHCCompliance with EU chemical regulation for substances of concern.
LEED v4 Low-EmittingContribution to LEED credits for low-emitting materials.

Accurate terminology is essential for delivering durable, hygienic, and compliant homogeneous sheet installations—especially in hospitals, laboratories, and cleanrooms. Bookmark this page as your daily reference.


If you need a downloadable Excel, bilingual content, or a customized technical checklist (e.g., moisture testing limits, welding parameters, and cleaning protocols), reach out and we’ll tailor the resource to your project.


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