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Dampers-Chemposite Inc. - Fiberglass Reinforced Plastic (FRP), T-Deck, Gullwing, Advanced Composites and Dual Laminate Products


With over 20 years of experience in air movement control products, our dampers are designed to meet operating conditions and industry standards.

As a member of AMCA (Air Movement Control Association), Chemposite® has two dampers licensed for Air Leakage Performance through AMCA International's Certified Ratings Program.

Chemposite's 12" diameter to 60" diameter air seal and volume control dampers meet the AMCA's highest classification, "Class 1A", according to the AMCA Standard 500-D.

Our high quality dampers are made with premium fire retardant vinyl ester resins to meet the Class 1 flame spread rating according to ASTM E-84.


  • Volume Control Dampers
  • Air Seal Dampers
  • Back Draft Dampers
  • Manual or Actuator Controlled


  • Both metric and imperial measurements are available




Download our latest brochures for damper:

Damper Brochure DS-711.pdf