MF RED in MT
Veteran Member
If it were me I'd get some foil faced foam board, 2 - 6" diameter starting collars, a roll of foil duct tape, and a sharp knife a long with many band-aids to stop the bleeding.
Make your own plenum with 1 starting collar to connect your existing flex duct into the plenum, and the other starting collar from the plenum to the finish ceiling.
Or something similar, good luck,
KC
AP Foil 3/4 in. x 48 in. x 96 in. R-5 Foil Faced Polyisocyanurate Foam Board Insulation 90001014 - The Home Depot
Make your own plenum with 1 starting collar to connect your existing flex duct into the plenum, and the other starting collar from the plenum to the finish ceiling.
Or something similar, good luck,
KC
AP Foil 3/4 in. x 48 in. x 96 in. R-5 Foil Faced Polyisocyanurate Foam Board Insulation 90001014 - The Home Depot
Master Flow 6 in. Starting Collar Take Off DSCF6 - The Home Depot
Visit the Home Depot to buy Master Flow 6 in. Ductboard Starting Collar DSCF6
www.homedepot.com
Nashua Tape 1.89 in. x 50 yd. 322 Multi-Purpose HVAC Foil Sealer Duct Tape 1906075 - The Home Depot
This Nashua Tape Multi-Purpose HVAC Foil Tape is designed for taping joints, seams against moisture and vapor on foil jacket insulation.
www.homedepot.com
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