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DuPont Tyvek Airguard Reflective membrane 50m x 1.5m Roll

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The DuPont AirGuard Reflective is a 100% airtight & vapour control layer. Which features a metallised surface with a very low emissivity internal vapour barrier that combined with an air gap can enhance thermal comfort by reflecting up to 95% of radiant heat back into the building.

This can be installed in roofs Aswell as walls. 

The Airguard if installed right wIth all laps sealed can effectively control condensation levels in most buildings this also includes in high humidity areas such as swimming pools.

DuPont AirGuard Reflective can be installed either way round, but its reflective surface must always face an airspace. The preferred method is to install it with the reflective side facing into the building, then fix a standard 25mm batten over the membrane.



Length: 50m.
Width: 1.5m.
Roll size: 75m2.
Roll weight: 12kg.
Reaction to fire: Class E.
Water vapour transmission: (Sd) 2000m.
Emissivity: 0.05.
Certification: BBA certified.
CE Marked.


  • Airtight suspended timber floors.
  • Warm pitched roof construction.
  • Cold pitched roof construction.
  • Timber frame construction.
  • Metal roofing solutions.
  • Protection for high-rises.
  • Protection for wall construction.
  • Rainscreen cladding systems.

Data Sheet 

Need More Help? Call 0116 452 0510