Smoke Exhaust and Ventilation Duct Panels for Underground Parking Lots

Smoke Exhaust and Ventilation Duct Panels for Underground Parking Lots. Customizable Dimensions: Width 95mm+, Length customized under 11.8m for transport. Fireproof & Safe: Fire rating A, flame retardant surface, meets fire prevention standards. Excellent Insulation: Superior thermal insulation and sound deadening up to 21.5dB. Lightweight Design: Light weight for easy installation, shortening construction period. Wide Application: Suitable for factories, warehouses, cold storage, and underground parking. Certified Quality: Certified by CCC, ROHS, ISO9001, CE, ISO, and GMP. Fast Delivery: Generally delivers within 7-10 days after receiving deposit.