• 23 33 00 - Air Duct Accessories
• 23 33 13 - Dampers
• 23 09 13 - Instrumentation and Control Devices for HVAC
• 23 09 13.43 - Control Dampers
• 23 51 13.19 - Barometric Dampers
• 23 33 13.16 - Fire Dampers
• 23 09 23.12 - Control Dampers
• 10 32 13 - Fireplace Dampers
• 23 33 13.23 - Backdraft Dampers
• 23 51 13.16 - Vent Dampers
• 34 82 13 - Bridge Vibration Dampers
• 25 35 23 - Integrated Automation Control Dampers
• 23 33 13.13 - Volume-Control Dampers
• 23 33 13.19 - Smoke-Control Dampers
• 34 82 13.13 - Visco Elastic Bridge Vibration Dampers

• ARCH DAILY: World's Largest Air Purifier Completes Successful Trial Run in Xi'an, China
  2018-01-18 Company
• Demilec has a NEW SpecWizard for Spray Polyurethane Foam Air Barrier System
  2017-11-03 Company
• Demilec has a NEW Spec for Spray Polyurethane Foam Air Barrier System
  2017-10-26 Company
• 3M Air Barrier Products has an UPDATED Spec for Sheet Air and Water Barriers
  2017-10-05 Company
• King Electrical Manufacturing Co. posted 4 NEW videos for Heating, Ventilating, and Air Conditioning (HVAC
  2017-09-20 Company
• 3M Air Barrier Products has NEW BIM for Tapes - Adhesives
  2017-09-18 Company
• USA Flood Air Vents has an UPDATED Spec for Foundation Flood Vents
  2017-08-25 Company
• 3M Air Barrier Products posted 2 NEW catalogs for Thermal Protection
  2017-08-24 Company
• 3M Air Barrier Products has a NEW Spec for Sheet Air and Water Barriers
  2017-08-24 Company
• 3M Air Barrier Products posted 14 NEW catalogs for Thermal and Moisture Protection
  2017-08-15 Company