Fiber Glass Duct - 3 Duct Board Cutting Tools
I created this video with the YouTube Video Editor ( Fiberglass Ductboard Ceiling Boxes with Side Mount Snap Collars First 3 cuts are the outside dimension minus 3 inches plus 2 5/8 inches with the red tool. Last cut is outside dimension minus 3 How to cut Duct Board W/Amcraft Layout Square /V-Groove method Malco DT1C Duct Board Cutting Tool 1" Cut Off, Red ...