The DuPont AirGuard® A2 Fire Rated Airtight Vapour Control Layer is a high-quality building material designed to offer exceptional performance in creating airtight and watertight building envelopes. It will prevent the infiltration of air, moisture, and vapour, which can lead to damage and reduced energy efficiency in your property.
Measuring 1200mm x 50m, the AirGuard® A2 Fire Rated Airtight Vapour Control Layer is large enough to cover large areas of your construction project with ease. The material comprises a combination of a laminate of glass fibre mesh with lacquered aluminium foil that offers superior resistance to moisture and air penetration. It also possesses excellent tear and tensile strength, making it non-tearable by hand.
Features & Benefits: DuPont AirGuard A2FR Membrane – 50m x 1200mm
- An A2 fire-rated AVCL that creates airtight and watertight building envelopes
- Each roll measures 1200m x 50m and covers large areas with ease
- Enhances building fabric for airtightness, energy efficiency, and moisture management
- Improves indoor air quality
- Has excellent tear and tensile strength, making it durable and non-tearable by hand
- High level of fire resistance, ideal for buildings that require extra fire protection
- Rigorously tested and meets EN 13501-1 fire safety standards
- Compatible with DuPont Tyvek® FireCurb® and DuPont AirGuard®® FR System tape
The AirGuard® A2 Fire Rated Airtight Vapour Control Layer also has a high level of fire resistance, making it an ideal choice for buildings that require additional fire protection measures. This product is rigorously tested to ensure that it meets the highest fire safety standards, making it a reliable choice for architects, builders, and homeowners who prioritise safety.
To ensure optimal airtightness and vapour control, it’s essential to seal all laps, junctions, and penetrations when using DuPont AirGuard®® A2 Fire Rated AVCL. The whole system has undergone a full fire safety test, including horizontal and vertical lap sealing, using DuPont AirGuard®® FR System tape, to guarantee a completely fire-safe system that meets EN 13501-1 standards.
Standards & Certification
- Reaction to fire (EN13501-1): A2-s1,d0
- Water tightness (EN1928): Pass (Type A)
Please note:
- For best results when installing this product, the manufacturer recommends using DuPont Tyvek® FireCurb® as a flame retardant breather membrane on the outer side of the wall system.








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