Corner is a separate flange install onto the for rectangular ductwork. It is used for air duct combination with flange corner, flange cleats and clamps. The Flanges attach to the duct wall and have an integral mastic which allows the flange to seal itself to the duct. It make the air ducts leak-proof, durable and aesthetic.
Application ideals
1. Simple and convenience compared to manually-applied flanges
2. Noise-free since the flange is an integral part of the cut body unlike other flange connection types
3. TDC ducts can be assembled or dismantled without affecting the firmness of the duct
4. Easy to Install, firm and adjustable