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Intelligent liquid applied airtight air barrier - vapour control membrane. Spray, rolled or paint brush applied. Passivhaus airtightness membranes. VCL membrane for airtightness
Passive Purple: The World's Leading Airtight Liquid Vapour Control
In the realm of modern construction, airtightness and vapor control are paramount for achieving energy efficiency and maintaining healthy indoor environments. At Intelligent Membranes, we are proud to introduce Passive Purple, the world's leading airtight liquid vapor control solution that sets a new standard for performance, versatility, and sustainability.
What is Passive Purple?
Passive Purple is an innovative liquid-applied membrane designed to create a seamless and airtight barrier. It prevents air leakage, reduces drafts, and controls moisture, significantly contributing to the energy efficiency of buildings. This advanced product is ideal for both new construction and retrofit projects, delivering exceptional airtightness without compromising on breathability.
Key Benefits of Passive Purple
Why Choose Passive Purple?
Passive Purple is the ultimate solution for those seeking to achieve airtightness and vapor control in their construction projects. Its seamless application, versatility, and eco-friendly attributes make it the preferred choice for architects, builders, and contractors worldwide.
Explore more about Passive Purple and other groundbreaking products at Intelligent Membranes. We're committed to providing innovative solutions that drive energy efficiency, sustainability, and comfort in every building. Let us help you create airtight structures that meet the highest standards of performance and durability.
A BBA-certified, Passivhaus Certified, ICC Certified airtight vapour control air barrier coating that is applied with an airless spray device on all areas of an external envelope (warm side of the insulation) of a building. This includes those difficult connection areas to the floor, wall, roof and joist. When used on the warm side of the insulation, it can be applied to either face of the external envelope. To install, ensure the material or surface is dust-free.
Features and benefits:
Technical characteristics:
- Adhesion (to ISO 4624):
Also classed as a radon barrier protection.
Air Leakage Protection
Leakage Protection
Air Protection
Vapour Protection
Spray Protection
Roller Protection
Protection Spray
Protection Barrier
Protection Layer
Vapour Control Protection
Moisture Protection
Fire Protection
BBA Protection
Passivhaus Protection
Seamless Protection
Radon Protection
Methane Protection
ICC Protection
Liquid Protection
Air Leak Protection
Airtightness Protection
Mould Protection
Fungus Protection
New Build Protection
Retrofit Protection
Membrane Protection
Commercial Protection
Domestic Protection
Weather Protection
Wall Protection
Roof Protection
Floor Protection
Color | Purple Green Blue Red Orange |
Finish | Other |
Material | Polymer |
Shape | Formless |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | Lifetime |
Uniclass | |
CAWS | J41/395 Air and vapour control layer J42/395 Air and vapour control layer J21/395 Air and vapour control layer J31/330 Air and vapour control layer H30/261 Air and vapour control membrane H31/261 Air and vapour control membrane H11/785 Air and vapour control layer P10/60 Air and vapour control layer P10/310 Air and vapour control layer H30/30 Air and vapour control membrane |
SKU Code | IM/00PPB11/4 |
Product range |
Classification data | |
Product reference | PASSIVE PURPLE® Fire rated Intelligent Airtight Vapour Control for Energy-Efficient Building Solutions. |
Material | Polymer. |
Purpose | Airtight vapour control membrane. |
Standard | To BS EN 12114, BS EN ISO 12572, BS EN ISO 15105 and BS EN ISO 4624. |
Third-party certification | British Board of Agrément (BBA), EOTA TR008 and PASSIVHAUS certified. |
Performance characteristics | |
Tensile strength (minimum) | 42 N/50 mm². Flatwise tensile strength to ASTM C0297-16, all substrates met ICC-ES AC212 criteria for acceptance. |
Tear resistance | To EOTA TR008, Pass. Manufacturer guidanceResistance to fatigue movement. |
Elongation to break | 350.5% and 325.2%. Guidance for specification option: Average and average after ageing respectively. |
Resistant to underground gases | Radon diffusion coefficient (to K124/02/95): 3.3 x 10^-12. Methane permeability to ISO 15105, 62–75 cm³·mm/m²·day·atm. Guidance for specification option: See Passive Purple Radon Certificate (linked) for further details. |
Water vapour resistance (minimum) | µ-value to ISO 12572, 76584. SD-value to ISO 12572, 22.9 (at 0.3 mm dry thickness) and 34.4 (at 0.45 mm dry thickness). G-value: 4–200 MN·s/g. |
Fire performance | Class C-S1, d0. |
UV stabilization | Manufacturer guidanceConsult manufacturer for more details and insert requirements. |
Anti-static properties | Manufacturer guidanceManufacturer's standard. |
Environmental performance requirements | |
Environmental rating | Passivhaus certified score of 0.03 ACH. Class M1. |
Volatile organic compounds (VOC) emissions level (maximum) | To EN ISO 16000-9/ 6, EN 717-1 and EN 180 16000-28, free from VOC. |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0%. Guidance for specification option: Grinded as solid film in plastics. |
Form | Liquid. |
Root inhibitor | Manufacturer guidanceConsult manufacturer for more details and insert requirements. |
Physical properties | |
Colour | Purple. White. Blue. Green. Orange. Red. Other. Guidance for specification option: Passive Purple and Passive Purple Editions can be made into other colours on demand. Consult manufacturer for more details and insert requirements. |
Weight (minimum) | 1.2 kg/L. Guidance for specification option: Density. |
Drying time | 24–72 hours. Guidance for specification option: Depending on conditions. |
Air tightness | 0.05 m³/hour·m. Guidance for specification option: Airtightness floor/ wall after ageing (to NBN EN 12114 Eurocode 7). (50 BAR) (V). |
Adhesion | Adhesion of universal bonding compound on Passive Purple Internal Liquid: BS EN 14496, Pass. Adhesion on red brick (dry or moist): to ISO 4624, >1 N/mm². Adhesion on concrete brick (dry or moist): to ISO 4624, >1 N/mm². Adhesion on ethylene propylene diene monomer (EPDM): to ISO 4624, adhesion value exceeding substrate strength. Adhesion on roofing: to ISO 4624, 1 N/mm². Adhesion of spray plaster on Passive Purple Interal Liquid: to ISO 4624, 1 N/mm². Adhesion on insulation Kingspan KoolTherm K5 polyurethane (PUR), Polystyrene (EPS) Polyisocyanurate (PIR): adhesion value exceeding substrate strength. |
Water penetration | To ASTM E331, all substrate meet ICC-ES AC212 criteria for acceptance. Manufacturer guidanceWater spray/ rain penetration. |
Watertightness | To EN 14891, Pass. |
Temperature resistance | -40°C to +70°C. Guidance for specification option: After drying. |
Dangerous substances | To EN ISO 16000-9/ 6, EN 717-1 and EN 180 16000-28, free from carcinogenics, ammonia and formaldehyde. |
Contains Red List materials | No |
Country of material origin | Europe |
Country of product manufacture | Europe |
Manufacturing plant location | |
Material | Polymer |
A1–A3 ('Production stage') | Embodied carbon as defined in BS EN 15804 |
Normalized unit | 0.275 kg CO₂ eq/kg |
Declared unit | 0.33 kg CO₂ eq/unit Certified Lower emissions |
Recyclability | Not recyclable due to its adhesion to other products |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % Guidance for specification option: Grinded as solid film in plastics. |
Expected Life | Lifetime |
Platform | Compatible | Version |
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