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Ductmate CSM28GA - Spiralmate® Round Duct Connector, 28 Gauge (California)

Item: CSM28GA

This product is no longer available for purchase.

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The Spiralmate® Round Duct Connector was developed to provide a strong and leak free connection without the use of duct sealants. It was developed to provide a simple method of connecting sections of spiral round ductwork at a lower overall cost. An air-tight, efficient round duct connection system.

Special Characteristics:
  • Simple and easy connection
  • No additional sealing required
  • Standard sizes from 8" - 72" in 2" increments (consult factory for additional sizes)
  • Available in specialty metals
  • Spiralmate has been tested to 18" W.G. positive pressure and 10" W.G. negative pressure (complete test data available upon request)
  • Spiralmate is not recommended for applications with duct gauges heavier than 16 Gauge or lighter than 28 Gauge. Both profiles will accept 12 Gauge longitudinal duct seam.


NameDuctmate CSM28GA - Spiralmate® Round Duct Connector, 28 Gauge (California)
Gemaire Item NumberCSM28GA
Manufacturer Product NumberCSM28GA
SKU - PIM Number1422491508966
ERP Number249031
Unit of MeasureEA
Weight9.5 Pounds (Lb)
Length30.0 Inches (In)
Width30.0 Inches (In)
Height3.0 Inches (In)
Country of OriginUSA
CompositionGalvanized Steel
Gauge22 GA
GEM - Case Quantity


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