SPIROsafe® Single Wall is a superior self sealing duct system with double lipped gaskets that is easy-to-install and delivers outstanding performance at the lowest installed cost of any sealed round duct system.

Patented double lipped self-sealing duct system
Tight fit eliminates job site problems and shortens installation time by about 25%

Unsightly duct sealer and tape not needed
Cleaner look, less messy to work with; great for concealed jobs - ideal for exposed installations

Outperforms the tightest standards that ASHRAE and SMACNA address, Leakage Class 3
Performance guaranteed duct system

10-year warranty on SPIROsafe® products
Ensures confidence in quality of ductwork

Components slip together and seal tight first time
Savings on field labor are significant, thereby reducing overall installation costs

Mass production and in-line quality control based on modern and highly automated manufacturing techniques
Reduced unit costs make SPIROsafe® the most economical duct system in the market

Rolled edges standard
Enables effortless installation, reduces the risk of injury and adds strength