Class A Air & Vapour Control Layer
The Class A Air & Vapour Control Layer is a product of the ARBOSHIELD Pro® category. It is a high-performance air and vapour control layer featuring excellent moisture vapour management, airtightness and a low-emissivity reflective surface, combining Class A2-s1,d0 reaction to fire with high tensile strength and enhanced thermal performance.
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Specify Class A Air & Vapour Control Layer
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Unique properties of Class A Air & Vapour Control Layer
Class A AVCL delivers enhanced thermal performance when installed facing a still air low-emissivity cavity, improving the overall U-value and energy efficiency of the building.
Class A2-s1,d0 reaction to fire
Excellent moisture vapour management
Airtight performance
Low-emissivity reflective surface enhances thermal performance (R = 0.67 m²K/W when facing 20mm still airspace)
Water vapour transmission >2500 m sd
Part of the ARBOSHIELD Pro® family of fire-resistant façade solutions
Technical Specifications & Downloads
| Description/Standard | Performance | |
|---|---|---|
| Reaction to Fire (EN 13501) | A2-s1,d0 | |
| Thermal Resistance | R = 0.67 m²K/W (facing 20mm still airspace)* | |
| Water Vapour Transmission (ISO 12572) | >2500 m sd | |
| Tensile Strength MD (EN 13984) | 1362 N/50mm BS EN 12311-1 | |
| Tensile Strength CD (EN 13984) | 1349 N/50mm BS EN 12311-1 | |
| Resistance to Tearing MD | 150 N BS EN 12310-1 | |
| Resistance to Tearing CD | 150 N BS EN 12310-1 |
Associated Products
Frequently Asked Questions
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Regardless of whether you are an architect and planner, property developer, industry specialist, distributor, applicator or specifier – if you have any questions about our products, services or specific construction projects, please feel free to contact the CARLISLE® contact person in your area with your technical questions. Our experts will be happy to advise you.
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