K-wall Cladding K-wall Cladding  12mm 2700×1000 sheets, ship lap edge. Interior, exterior Groove board timber lining appearance composite sheeting This remarkable K-wall product using 22nd century technology can be set internally or externally. Known as Groove board or plank board it comes is size 2.7m x1.0m  x12mm and can be set horizontal or in vertical look alike timber set configuration … Continue reading K-Wall Groove board cladding