Instructions / Assembly

Flexible Duct Splice
(Non-Metallic)
• Cut completely through duct and wire
• Fold back vapor barrier and insulation
on both ends
• Apply mastic uniformly to both ends of
the connecting collar
• Slide 1” of each core over connecting
collar and beads
• Secure each connection with clamp
placed over the core, past the beads
• Pull vapor barrier and insulation back
over the core and overlap
• Tape barrier with 2 wraps of duct tape
Using mastic and fasteners to make splice