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Twiga Eco Insul

3.4 out of 5

Twiga Eco Insul (TEI), a new generation glass wool insulation introduced by U.P.Twiga Fiberglass Limited. It’s a high performing insulation solution for thermal and acoustic applications. Eco Insul is soft to skin, odourless and formaldehyde-free. The product is completely fire safe (non-combustible). It fulfils all the requirements of National Building Code, 2016 – Part 4: ‘fire and life safety’ and Part 8: ‘Building Services’ –Thermal insulation. The insulation meets all mandatory and optional requirements of IS 8183, too. It is available in flexible blanket/roll form and semi-rigid or rigid board form. Several factory-applied laminations or facing options are available with Twiga Eco Insul products for better vapour control or noise absorption as per application requirements.


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Technical Parameters-

Thermal conductivity (method of test IS 3346)

Product code TEI-750 TEI-1000 TEI-1250 TEI-1500 TEI-2000 TEI-3000
Density (Kg/m3) 12 16 20 24 32 48
Thermal Conductivity* at 25° C mean 0.04 0.0375 0.036 0.0327 0.0316 0.0295

Tolerance: +/-5%

Fire parameters

Parameters Non-combustibility Ignitability Fire propagation Flame spread Class 0
Result Designated as P (not easily ignitable) 16 I << 12, i1<< 6 Class 1 Class 0
Standard BS 476 part 4 BS 476 part 5 BS 476 part 6 BS 476 part 7 BS 476 part 6 & 7

Environmental parameter

Environmental parameter Result Test standard
Formaldehyde content Not detected ASTM D 6007-02

Parameters as per IS 8183: Bonded Mineral Wool Specification

IS 8183 test Parameters Results Test method
Incombustible (Loss of Ignition < 5%) Comply, LOI < 5% IS 3144
Moisture content Comply, < 2% IS 3144
Recovery after compression Comply, >90% IS 3144
Fiber settlement under vibration and jolting Comply, negligible IS 3144
Shot content Comply, Nil
Odor emission Comply, Nil IS 3144
Mould growth Comply, Nil IS 3144

*Comply all mandatory and optional requirements of IS 8183.


  • Pre-engineered buildings – roof and wall insulation.
  • Built up roofing for exhibition hall, airports, stadiums etc.
  • HVAC duct thermal, duct acoustic and mechanical room.
  • Under-deck insulation for RCC roof.
  • Cavity wall insulation- masonry constructions.
  • Drywall partition.
  • LGFS and Pre-fab structures.
  • Wall lining in multiplexes, auditorium, or any other acoustic sensitive area.
  • Ceiling insulation

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