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Galvanized steel duct hanger, 1 inch wide by 8-1/2 inches high

Ductmate

Ductmate GRRDH07GA20 duct hanger galvanized steel 20 GA

SKU CH-M13M-MRB78

Galvanized steel duct hanger built to SMACNA standards for secure 20 GA ductwork support

  • MaterialHAWA
  • Galvanized steel construction resists corrosion in ductwork
  • Meets SMACNA standards for reliable installation quality
  • HAWA material specification ensures consistent performance
  • 20 gauge thickness provides structural rigidity for support
  • 1 inch width by 8-1/2 inch height fits standard duct dimensions

Duct Hanger Galvanised Steel 20 GA

The Ductmate GRRDH07GA20 is a galvanised steel duct hanger manufactured to SMACNA standards. It is supplied new for use in HVAC ductwork installations where a 20 gauge support component is specified.

HVAC Installers Needing SMACNA-Compliant 20 GA

This hanger suits contractors and installers who require a galvanised steel component meeting SMACNA standards for rectangular duct suspension. It is not for buyers who need a different gauge thickness, alternative material finishes, or hangers sized for round ductwork.

20 Gauge Galvanised Steel Construction

The single specification that decides fit is the 20 GA galvanised steel material. This gauge determines the load-bearing capacity and stiffness of the hanger, confirming whether it matches the engineering requirements for the specific duct system being installed.

Highlights

  • Galvanized steel construction resists corrosion in ductwork
  • Meets SMACNA standards for reliable installation quality
  • HAWA material specification ensures consistent performance
  • 20 gauge thickness provides structural rigidity for support
  • 1 inch width by 8-1/2 inch height fits standard duct dimensions

Specifications

MaterialHAWA
BrandDUCTMATE

Questions about this item

How is the Ductmate GRRDH07GA20 hanger installed, and what step is often missed?

Install by wrapping the 1" wide galvanized steel strap around the duct and securing it to the structure per SMACNA standards; the step often missed is verifying the 20 GA material thickness matches the duct gauge specification.

What maintenance or replacement will the Ductmate GRRDH07GA20 hanger need later?

The galvanized steel HAWA material resists corrosion; inspect periodically for rust at fastening points or deformation from vibration, replacing any hanger showing metal fatigue or coating failure.

What limit appears first on the Ductmate GRRDH07GA20 hanger under sustained use?

The 20 GA steel thickness and 8-1/2" height define the load capacity; sustained weight or vibration beyond SMACNA ratings for this gauge will cause permanent deflection first.

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