Tongue and groove strips Solid wood elements (thickness 14/15, 20/21 mm) with tongue and groove on the four sides. This feature aLLows a perfect combination of the elements and grants high stability of the floor, since the strict junction of the planks reduces the wood dimensional variations due to environmental humidity conditions. Glued laying is suitable for 14/15 mm thick planks; although 20/21 mm maxi planks must be nailed on wooden supports or panels. Big dimension maxi-planks create a high value setting for your rooms. FEATURES Dimensions thickness mm 14/15 width mm 90 length mm 500/1000 thickness mm 14/15 width mm 120 length mm 500/1800 thickness mm 20/21 width mm 140/180 length mm 500/2000 MULTI-wiDTH (Oak rustic beveUed, brushed) thickness mm 14/15 width mm 90/120/160 length mm 500/1800 Traditional parquet (to be nailed or glued, sanded and varnished) Wooden species Oak, Iroko, Doussie, Wenge, Asian Teak