With curved V-groove at the long sides. Finished with the patented Laminopax® honeycomb structure: reduces sound by up to 50%. Hardwearing Elesgo® surface. Anti static surface: dirt repelling. With Unilin® click technology - fast and clean installation without glue. 7.7 mm HDF. 14 years guarantee. For intensive home use and light commercial use. Real structure surface.