
Precise. Durable. Simple.
Upgrade your duct board fabrication with tools built specifically for HVAC pros. Malco’s duct board cutting solutions combine precision cutting tools and layout accuracy to deliver fast, consistent results—every time. From clean v-grooves to straight-edge cuts and accurate 90° layouts, these tools make the job easier without compromising quality.

Start every cut with confidence. The Malco Duct Board Square ensures accurate, repeatable layouts so your cuts—and your finished duct—come out right the first time.
- Quick 90° Lock for fast, consistent square layouts
- Adjustable Thickness Scale designed for 1″, 1.5″, and 2″ duct board
- Rigid Aluminum Construction that’s lightweight and jobsite durable
- Folding Design with quick-release pin for easy transport and storage

The Malco Duct Board Square is purpose-built to help HVAC professionals measure, mark, and cut duct board with precision and confidence. Designed to work seamlessly with Malco duct board cutting tools, this layout square simplifies setup and improves consistency—so you can move faster without sacrificing accuracy.

Two Models. Maximum Efficiency

V-Cut Model (Black) – For Foldable Duct Board Joints
Create smooth, accurate v-groove cuts for tight, foldable seams.
DT1V – 1″ V-Cut
DT15V – 1.5″ V-Cut
DT2V – 2″ V-Cut

Cut-Off Model (Red) – For Straight and Shiplap Cuts
Perfect for clean edge and straight-line cuts to finish the job right.
DT1C – 1″ Cut-Off
DT15C – 1.5″ Cut-Off
DT2C – 2″ Cut-Off
Why Malco Duct Board Tools?
- High-Grade, Heat-Treated Stainless-Steel Blades Corrosion-resistant with excellent edge retention for long-lasting performance.
- Heavy-Duty Steel Sled Frame Built with a thicker base for increased durability and stability during cuts.
- Engineered for Precision Delivers clean, consistent cuts that meet the demands of any jobsite.
- Serviceable Design Replacement blades are available to keep your tools working like new after normal ware.

