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Galvanized Steel Double Door AcoucticMAX - 48 Smoke Vent With Electrical Opening Mechanism - Babcock Davis, this prefinished black interior smoke vent features an innovative sound control and superior thermal performance and has a sound transmission class of STC 48 and outdoor-indoor transmission class of - OITC 36 with double door acoustic smoke vent. It incorporates a stainless steel heavy-duty pintle hinge and Zinc plated steel rotary latch. Every detail of this product has been designated with precision, and it is ideal for theaters and performing arts centers with a five-year warranty. 


Door: Double Leaf

Sound Rating: Sound Transmission Class (STC) 48

Outdoor-Indoor Transmission Class (OITC) 36

Material: Galvanized Steel: 14 gauge 

Inside Finish: Powder Coat, Black

Outside: Powder Coat, High Reflectance White

Curb: Double wall curb with easy tab counter flash and mounting flange

Cover: Metal with liner, withstands a live load of 40psf

Insulation: Mineral wool with sound mat in cover and curb; total R-10

Hardware: Stainless steel heavy-duty pintle hinge. Gas spring with damper-open cover against 10psf load. Zinc plated hold open arm.

Latch: Zinc plated steel rotary latch designed to hold covers closed against 90psf wind uplift

Certification: UL 793 listed

Warranty: 5 years