Now with the latest in product innovation and improved specifications, Effect has increased their Abrasion Class rating from and AC4 to an AC5 with a luxurious 12mm laminate core. 12mm flooring is more rigid and sturdy with greater core density. Quality that will last, the Effect laminate flooring range comes with an Embossed in register finish that gives the planks a 3-D visual and textural look and feel.