ICON HD panel system. Icon HD offers an upgrade on Icon X, Icon Rigid and Icon Air for panel loads of 9kN, 11kN and 13kN.This upgrade incorporates thicker steel that the standard systems which provide a longer lifespan and comes with an extended product warranty of 20 years.Icon HD is suitable for environments that are subject to regular heavy live rolling loads. ICON HD brochure ICON HD panel system 9.0KN (2000lb) 9.0kn specification sheet 11.0KN (2500lbs) 11.0kn specification sheet 13.0KN (3000lb) 13.0kn specification sheet