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Product Details

Ductboard is manufactured from a high quality, Glasswool 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.

Quality Managment System

Isover products are manufactured according to ISO 9001:2000.

Features & 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, modifications, etc. can be dealt with on site
  • Lightweight & ease of installation
  • Excellent reduction of airbourne sound transmission and equipment noise
  • Condensation control
  • Ductboard can be used in conjunction with metal or flexible duct work using simple connecting techniques

Fire Properties

Class 1 fire index - tested to SANS 10177 Part 3

Thermal Properties

Significantly reduces heat gains & losses.

Acoustic Properties

Offers exceptional acoustic properties & enhances indoor environmental quality by absorption of noise generated by air conditioning equipment. Reduces sound transmission along a duct.


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 degC with a maximum air velocity of 10m/s.


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

Physical Properties

Table to be inserted!

Tools needed for Installation

Specialised cutting tools. Refer to manufacturer for detail.

Handling & Storage

Store product undercover, and in dry conditions. Store flat. Handle with care, especially on the edges and corners, which can be damaged if subject to sharp or heavy impact. Do not apply excessive pressure, for example by standing or sitting on the product, as permanent damage may be caused.

Architectural Specification

Install 25mm thick rigid lightweight "Ductboard" strictly in accordance with manufacturer's detail & specification.

Additional Information

Technical Data

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