Spiral duct with draw-band coupling

Before you start

• Both duct ends have to be square, clean, and the same diameter.
• A draw band w...
• Stage the needed tools and materials before lifting the section: Draw-band coupling, specified sealant or gasket, band tool or impact with the....

Lay it out

1. Butt the prepared duct ends evenly. Both ends square, both ends clean. Che...

Set and support it

1. Set and verify the approved supports before the connection is closed. Keep the joint from carrying the weight of the duct or fitting.
2. Use the approved support method for this condition: Band hanger or trapeze near but not loading joint.

Make the connection

1. 1

   Butt the prepared duct ends evenly. Both ends square, both ends clean. Che...