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Knauf Thermo-Tek RL ECO ALU - Ductwrap Insulation - 18M x 1.2M x 25mm (21.6 Sqm)

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(incl VAT) £143.51 £130.46
-10%
(excl VAT) £108.72
Estimated Delivery Date Apr 28, 2026 - Apr 29, 2026
No deliveries on weekends or holidays.
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Product Details:

Thickness  Length  Width  Coverage (Sqm)
25mm  18M  1.2M  21.6 Sqm
40mm 12M  1.2M  14.4 Sqm
50mm  9M  1.2M  10.8 Sqm

 

Knauf Thermo-tek RL ECO ALu ductwrap insulation is the ultimate solution for your duct insulation needs. Crafted with precision using cutting-edge technology, this duct wrap is a testament to Knauf's commitment to excellence within technical insulation.

At its core, Knauf Thermo-tek RL ECO ALu is a glass mineral wool insulation roll. FIgreglass is made of nearly 70% recycled glass materials using Knauf's formadehyde free, bio-binder based Ecose technology. This fibreglass duct insulation gives a thermal conductivity of 0.,036 W/mK (at 20DegC) making it ideal for a variety of HVAC applications. Fibreglass duct insulation also helps offers fire and sound insulation

The fibreglass core of Knauf ductwap insulation is wrapped in tear-resistant aluminium foil on one side. The refinforces aluminium foil facings functiouns as a continuous vapour barrier, therby reducing any moisture or condensation issues.

The flexiblilty of this duct insulation rolls helps contour the most awkward shapes of the ducts and insulates them. The Ecose technolgy makes this duct insulation rolls easy to handle and install, without having to deal with messy fibres.

Key Features:

  • Advanced Composition: Combines glass mineral wool with reinforced aluminium foil for superior thermal performance.
  • Tear-Resistant: Aluminium foil on one side ensures durability and resilience during installation. Alu foil facings also creates an effective barrier against moisture, ensuring indoor spaces remain dry and comfortable.
  • Patented Binder System: Enhances longevity and reliability, ensuring lasting performance.
  • Versatile Application: Suitable for circular and rectangular air ducts in various HVAC systems.
  • Optimal Thermal Conductivity: Provides effective thermal insulation, maintaining desired temperatures.
  • Fire and Sound Insulation: Offers additional benefits of fire resistance and sound absorption for a safer and quieter environment.
  • Easy Installation: Comes in convenient roll form, with a width of 1.2m and thickness of 25mm, for seamless application.
  • Sustainable: Made with renewable materials, aligning with environmental conservation efforts.

Applications: 

Duct insulation roll by kanuf can be used to insulate:

  • Air and ventilation ducts of circular and rectangular shape
  • Can be wrapped sound pipe lines, Valves & flanges.
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Above £325  Free delivery

 

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Free Delivery Terms
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Above £325  Free delivery

 

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