Instructions / Assembly

Flexible Duct Connection
(Non-Metallic)
• Cut completely through duct and wire
• Fold back vapor barrier and insulation
• Apply mastic uniformly to the outside
surface of collar
• Slide 1” of core over collar and past the
bead
• Secure connection with clamp placed
over the core and past the bead
• Pull vapor barrier and insulation back
over the core and fitting
• Tape barrier with 2 wraps of duct tape
Using mastic and fasteners to make connection