Pre-insulated metal round system from EUROPLAST is designed for ventilation, air conditioning, and heat recovery needs. The insulation will protect against condensation formation, as well as provide sound and thermal insulation. The factory-applied insulation significantly reduces installation time and additional construction costs, ensuring energy efficiency for your project. The insulation material used complies with B-class fire safety standards. EUROPLAST spiral metal air ducts and fittings with circular cross-section system meet the standards LVS EN 1506:2007 and LVS EN 10346:2015. Accordance to standard LVS EN 12237:2003 air ducts and fittings with seals- fulfils tightness class D.