What is AC4 Laminate Flooring? LaminateMay 14, 2019 Share Abrasion Class 4 (AC4) is a required rating for commercial applications and general foot traffic spaces. Laminate Flooring with an AC4 Rating Chesapeake Vortex Tags: Laminate Share Previous articleNext article Follow us Best Selling - Waterproof COREtec COREtec Cairo Oak Vinyl Plank Flooring VV491-02956 LVP Pro Enhanced 9" x 73" (36.64 SF/Box) Sale priceTo be quoted 31 reviews (31) COREtec COREtec Calypso Oak Vinyl Plank Flooring VV012-00761 LVP Originals Enhanced 7" x 48" (23.64 SF/Box) Sale priceTo be quoted 18 reviews (18) COREtec COREtec Ravenswood Oak Vinyl Plank Flooring VV488-2091A LVP Pro Enhanced 9" x 72" (36.64 SF/Box) Sale priceTo be quoted 7 reviews (7) Your text You can use this text to write about your brand.