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Thermo-teK LM Air ALU
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Thermo-teK LM Air ALU is a lightweight Glass Mineral Wool mat, consisting of individual mineral wool strips (lamellas) that are bonded on one side to a tear-resistant, glass mesh  reinforced aluminium foil. Due to its excellent flexibility and lightweight in combination with good mechanical resistance and stiffness, it is a perfect solution for use in rectangular and circular ventilation ducts as well as on small, round objects and pipes.
Knauf Insulation Thermo-teK LM Air ALU is produced with ECOSE® Technology, a patented binder system, based entirely on renewable raw materials.

APPLICATION

  • Rectangular air ducts – outside insulation
  • Circular air ducts – outside insulation
  • Pipe insulation – heating, water supply
  • Ducts & pipes in technical & acoustic rooms

The product is recommended for thermal, fire and sound insulation of defined Thermo-teK applications within technical insulation where:

  • A light and flexible solution is required
  • A good visual appearance after installation is needed
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EUCEB
Eurofins  GOLD Indoor Air Comfort
EPD
Thermo-teK LM Air ALU
Description & Details
Documents

Description & Details

Thermo-teK LM Air ALU is a lightweight Glass Mineral Wool mat, consisting of individual mineral wool strips (lamellas) that are bonded on one side to a tear-resistant, glass mesh  reinforced aluminium foil. Due to its excellent flexibility and lightweight in combination with good mechanical resistance and stiffness, it is a perfect solution for use in rectangular and circular ventilation ducts as well as on small, round objects and pipes.
Knauf Insulation Thermo-teK LM Air ALU is produced with ECOSE® Technology, a patented binder system, based entirely on renewable raw materials.

APPLICATION

  • Rectangular air ducts – outside insulation
  • Circular air ducts – outside insulation
  • Pipe insulation – heating, water supply
  • Ducts & pipes in technical & acoustic rooms

The product is recommended for thermal, fire and sound insulation of defined Thermo-teK applications within technical insulation where:

  • A light and flexible solution is required
  • A good visual appearance after installation is needed

THERMAL CONDUCTIVITY CALCULATOR

Downloads

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Technical Data Sheets
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DoP Thermo-teK LM Air ALU
pdf/26 May 2022/101.5 KB
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Knauf Insulation TS Product catalogue _EN 2025
pdf/10 Oct 2025/8.2 MB
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Spec. text Thermo-teK LM AIR ALU
docx/20 May 2022/21.6 KB
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Thermo-teK LM Air ALU Lamella mat_brochure
pdf/17 Jan 2023/995.7 KB
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Knauf Insulation HVAC Brochure 2022
pdf/11 Aug 2022/1.1 MB
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KITS_EPD Thermo-teK LM Air ALU
pdf/11 Jul 2022/787.9 KB
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Technical data sheet Thermo-teK LM Air ALU
pdf/5 Feb 2026/336.2 KB
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Technical data

Attribute nameSymbolValueUnitNorm
Thermal conductivity (50ºC)0,043W/(mK)
Reaction to fireA2 - s1, d0
Density28kg/m3
Maximum service temperature250ºC
FacingAluminium
Product typeLamella mat
Thermal conductivity (10ºC)
Thermal conductivity (40ºC)
Insulation solution for:HVAC