The Spiralmate round duct connector 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.

• 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 GA or lighter than 28 GA. Both profiles will accept 12 GA longitudinal duct seam.