How to Fabricate a Metal Supply Plenum From Scratch
9:39
Installing a Rectangle to Round Transition into an Existing Metal Duct
13:13
Building a Sheet Metal PLENUM and END CAP with Hand Tools!
15:54
How To: Fabricate A Plenum Box With BASIC Hand Tools | HVAC Ductwork
19:59
Rollation 3 - Square to Round
34:38
Onsite metal fabrication - four-piece duct transition (Mechanical / sheet metal training #106)
15:22
DIY Sheet Metal Brake / Bender for the Truck Camper Project!
23:45
How to Build A Beautiful Sheet Metal Ductwork Transition. | DIY HVAC GUY
14:02