Selected parts available for online ordering for customers in the USA.

Can't find your part? +1 800-237-7841

Glass Master SG-220

Replacement Parts for Glass Master SG-220 Insulation Machines


The CertainTeed SG-220 Duct Board Grooving Machine is a powerful, efficient tool designed for duct board grooving.

It's driven by a robust electric motor with precision-ground blades, ensuring consistent contours and dimensions. This versatility extends to 1 IN, 1.5 IN, and 2 IN boards.

Benefits of the SG-220 include rapid operation, accuracy, user-friendliness, and durability. Its advantages encompass time and cost savings through speed, precision, and reduced waste.

Safety features include a foot-actuated switch, while accessibility and portability are enhanced with easy maintenance access and swivel casters.

Applications for the SG-220 span commercial and residential construction, HVAC projects, duct board fabrication, and more. 

Time for a new machine?

Contact us today to get the right CertainTeed insulation machine for your needs. Call now : +1 800-237-7841

Need help finding your machine or parts ?

Use your mobile device and Google® Lens. ?

Use your mobile device and Google® Lens to visually search for replacement parts for CertainTeed and Unisul insulation machines.
  • Determine if your Google® search app has Google® Lens already embedded in it.
    - Look for the camera icon in your Google® app search box. google lense searchbox
  • If your Google® search app has Lens, select the camera icon and follow the Google® Lens instructions for using the camera on your mobile device to find your CertainTeed insulation machine and/or parts using those from your machine. machine and/or parts using those from your machine.
    - This works best if you are in a well-lit area.
  • If your Google® app does not have Lens embedded, you may be able to download it from your app store.
  • - Select your app store and search for Google® Lens. Find the app with the logo shown here:google lense icon
  • - Once installed on your mobile device, open the Google® Lens app and use your mobile device camera for find the replacement parts you need for your CertainTeed or Unisul insulation machines. Google® provides in-app instructions for use.
Quick Tips for using visual search with your mobile device camera:
  • For best results, scan the serial plate from your machine. It has the model number to help you find the correct parts for your specific machine. Here is a sample one:
  • Scan the front on your machine.
  • steel lable of machin