Karle & Rubner KARLE & RUBNER 7119 K&R Terraflex N6 with Screw A4 5 x 50 mm for Wood Substructure Pack of 120 Black

The invisible, quick plank assembly for planks with groove. Easy to install, even laying pattern. Quickly lay decking boards invisible. Always the same distance between the boards (7 mm). Distance between the boards and the substructure always 6 mm. Construction wood protection through ventilation. Product advantages: invisible attachment, no screws visible from above in the floorboard; the Terraflex has a predetermined breaking point that allows a flexible clamping range and thus adapts to different groove wall thicknesses; flexible clamping range of 5.5 - 11.5 mm; structural wood protection by ventilation of the floorboards; uniform laying pattern, distance between the boards 7 mm; spacers between the boards and the Substructure 6 mm; only one screw per plank and substructure; quick assembly: no pre-drilling, only one screw per plank and substructure; includes stainless steel screws for wood/WPC or aluminium; the boards can be quickly dismantled at any time without damage; the swelling and shrinkage of the boards is possible (not suitable for planks with large source and shrinkage); per m2 are approx. 15-20 pieces Terraflex required; made of fibreglass-reinforced polyamide. The Terraflex N6 is suitable for planks with a maximum tongue thickness of up to 8.2 mm and a minimum groove depth of 6 mm.