It is important that ventilation systems are designed with an easy access, for maintenance and cleaning of the system. Lindab offers a wide range of both circular and rectangular access doors, to give full entry to the ventilation ductwork and facilitate maintenance of the duct system. This EPD covers Lindab insulated access doors for circular duct systems: KCU, EKTL, TUTL and ESHUI. These products are designed to provide easy access for inspection, maintenance, and cleaning of ventilation systems. The insulated access doors consist primarily of galvanized steel and stone wool insulation. They are designed for installation on a Lindab Safe duct system and are intended for indoor use. The access doors included in this EPD can achieve tightness class C or D. The access doors are available in several sizes to fit common circular dimensions. For more information on Lindab access doors visit https://www.lindab.com/Catalog/ventilation-systems/residential-ventilation/access-doors/?sort=popularity&display=16&page=1