Uploaded July 2026 | Updated September 2026, 2 weeks ago

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Learn how to cut fiberglass duct board and fabricate rectangular HVAC ductwork using Malco duct board tools. This video covers layout, V-groove and straight cuts, folding, stapling and foil tape application using the centerline method.

In this video:

V-cut and cut-off duct board tools
Choosing the right blade size (1", 1.5" or 2")
Setting up the Malco Duct Board Square
Laying out duct board with the centerline method
Making clean, accurate cuts
Folding, stapling and sealing ductwork

Learn more about Malco Fiberglass Duct Essentials:
malcotools.com/categories/fiberglass-duct-essentials

Explore professional solutions built for the trades:
malcogrp.com

00:00 Introduction
00:09 Duct Board Cutting Tools
00:24 Choosing the Right Tool Size
00:32 Tool Features
00:55 Duct Board Square
01:01 Project Overview
01:10 Proper Tool Handling & PPE
01:23 Setting Up the Duct Board Square
01:54 Laying Out the Duct Board
02:13 Measuring the Cut Lines
02:49 Cutting the Duct Board
03:17 Preparing the Foil Flap
03:33 Folding & Sealing the Duct
04:09 Additional Fabrication Resources
04:22 Thanks for Watching