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  • The Industry Standard for HVAC Systems
  • For High Pressure and High Velocity Systems
  • Strong - Airtight - Waterproof - Mildew resistant
  • Resists many acids, alkalis, grease, oil and gasoline
  • For systems exposed to toxic fumes and polluted atmosphere

In general use for more than twenty years, NEOPRENE has become the standard for the air handling industry. It is the most frequently specified and most widely used flexible connector material. NEOPRENE offers air tight and waterproof performance, has outstanding burst strength and excellent flex life and aging characteristics. NEOPRENE resists many acids, alkalis, grease, oil and gasoline, and a broad range of other chemicals. Please refer to the
Chemical Resistance of Duro Dyne Coated Fabrics sheet (PDF format).

NEOPRENE has a base fabric of woven Fiberglass which is double-coated with polychloroprene. It is supplied in coils of 30m (100 ft) of fabric joined on both sides to galvanized steel, or as a fabric only for special applications.
Please refer to Flexible Connector Ordering Information.

Neoprene Fabric go to Flexible Connector Ordering Information
Place mouse over picture to view fabric


NEOPRENE is especially suited for use in high-pressure and high-velocity duct systems, and where exposed to toxic fumes or adverse atmospheric conditions. It is a dependable, tough product which may be used with confidence in general ventilation applications. NEOPRENE should not be used where temperature will exceed 90C.


Base Fabric: Woven Fiberglass Temperature Range: -40 to 93C (-40 to 200F)
Coating: Polychloroprene Fire Resistance:

Self-extinguishing. Meets requirements for National Fire Protection Association Standards 90A and 90B. Fabric is UL listed and meets NFPA-701. Meets requirements of CAN/ULC S109-03.

Mass (Weight): 1017 g/m (30 oz/yd)  
Thickness: 0.68mm (.027")
Tensile Strength:
CAN 2_4.2_Method 9.2
2000x1550 N (450x350 lbs)  
Tear Strength:
CAN 2_4.2_Method 12.1
110x90 N (25x20 lbs)    
Burst Strength:
Can 2_4.2_Method 11.1
4137 kPa (600 psi)    

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