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LIghtweight HVAC insulation product.

Product Description

Duct board is manufactured from a high quality glass wool board faced on the external surface with a reinforced aluminum foil vapour barrier. The air stream surface is faced with a black non-woven glass tissue.
Used mainly as insulation for airconditioning and HVAC systems

Key Benefits

  • Provides a homogeneous system of interlocking sections to form a rigid air handling duct system
  • Boards are transported flat and assembled on site
  • Variations and modifications can be dealt with on site
  • Lightweight and easy to install
  • Excellent reduction of airbourne sound transmission and equipment noise
  • Condensation control
  • Can be used in conjunction with metal or flexible duct work using simple connection techniques


  • Odourless, inert and fully compatible with all standard building materials and components
  • Will not promote corrosion with steel, copper or alluminium
  • Will not sustain vermin
  • Will not breed or promote fungi, mould or bacteria
  • Non-hygroscopic
  • Rot proof
  • Dust settlement will not hamper the product’s performance

Technical Properties

Code Value Unit Comment
Conductivity K 0.032 W/m.K 80 kg/m3

Variants Details


SKU Thickness Width Length Thermal resistance NRC Value
10608 25 1200 2300 0,78 0,7
11334 25 1200 2400 0,78 0,7


  • Standard items (3 – 7 working days)
  • Made to order items (7 – 15 working days)
  • Stock items (1 – 3 working days)

Fire Properties

  • Class 1 fire index – tested to SANS 10177 Part 3


  • May be used in commercial, industrial or residential air handling installations for cooling, heating, dual temperature or ventilation.
  • Ductboard is suitable for operating temperatures up to 120°C with a maximum air velocity of 10m/s
  • Offers exceptional sound absorbtion properties and reduces noise generated by airconditioning equipment.


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