Schebler Chimney Systems
UL-103 Listed, Prefabricated Chimney Systems for Boiler and Generator Exhaust
UL-1738 Listed Special Gas Vent Systems for High-Efficiency Appliances
UL-1978 Listed / UL-2221 Classified Zero Clearance to Combustibles, 2 Hour Fire Rated Grease Duct Systems, Round and Flat Oval
Sequence Draft ControlTM Damper Systems, Wing Induction Fans
Engineered Free Standing Stack Systems
FIRESAFE Fire Rated Ductwork Ltd
CASWELL FIRESAFE® Non-Coated Fire Resisting Ductwork systems rated up to 4 hours. UL® listed – File R38800 – Ventilation Duct Assemblies
Designed in Britain – Manufactured in the U.S.
SEMCO
AT-PANL solutions TM, Acoustic / Thermal Panel Systems
MD-PANL solutions TM, Modular Duct Systems
IN-PANL solutions TM, Industrial Panel Systems
FR-PANL solutions TM, Fire Rated Panel System
Atlantic Air Products
Manufactured Duct Systems, Round / Flat Oval Spiral Duct, Gasket Fittings, Perforated Spiral Diffusers, Welded Exhaust Systems
Mestek Commercial Damper and Louver Group
UL-555A Life Safety Dampers, Building Louvers, Control & Balancing Damper, Roof Hoods, Louvered Penthouses
Kem-Tuff TM
Chemical Air Transfer Systems, Factory Mutual Listed Fluoropolymer Coated Stainless Steel for Acid Exhaust
iac acoustics
HVAC Duct Sound Attenuators, Acoustical / Thermal Plenum Panel Systems, Acoustical Stack Silencers, Acoustical Louvers
Duct Incorporated
Laser Welded Clamp-Together Duct Systems, Dust and Mist Collection Applications
