AC Rating (Abrasion Class): A European standard measuring laminate's resistance to abrasion, impact, staining, and burning. Ratings range from AC1 (lightest use) to AC5 (heavy commercial).
Click-Lock: An installation system where laminate planks snap together at the edges without adhesive. The most common systems include Uniclick, Valinge, and Megaloc.
EIR (Embossed in Register): A manufacturing technique where the surface texture is precisely aligned with the printed design for a realistic look and feel.
HDF (High-Density Fiberboard): The dense core material used in most laminate flooring, providing strength and dimensional stability.
Underlayment: A thin layer of foam, cork, or other material placed between the subfloor and laminate to provide cushioning, sound absorption, and moisture protection.