Verified by manufacturer 5 months ago
BBA Agrément Certificate
Certificate type
Specify OBEX CORTEX 0500FR to achieve optimum water and airtight seals across a range of construction interfaces including around windows, doors. It is BBA approved and a direct replacement for EPDM.
This Class B fire classified interface sealing system is suitable for a wide range of applications including;
Typical uses:
OBEX CORTEX 0500FR Class B Interface Sealing Membrane is a top-performing, EPDM alternative, fire-classified membrane that has been specifically designed for creating water and airtight seals around windows, doors, curtain walling systems, SFS sections to concrete frames, and balcony waterproofing.
This Interface Sealing Membrane has been approved by BBA, a third-party organization that ensures its quality and reliability. It achieves Class B-s3,d0 – EN 13501-1 fire classification, ensuring compliance with Reg 7 when used on relevant buildings above 18 m.
Includes OBEX CORTEX 0771FR Class B Paste Adhesive which works seamlessly with OBEX CORTEX 0500FR Class B Interface Sealing Membrane, together ensuring a robust, airtight seal between two substrates.
Color | Black |
Finish | Textured |
Shape | Rectangle |
Length | 20000 mm |
Width | Bespoke Guidance for specification option: 50-1500mm |
Height | 0.50 mm Guidance for specification option: Thickness. |
Warranty description | Manufacturer guidanceBritish Board of Agrément (BBA) approved to last the lifetime of the product it's bonded to. |
Uniclass | |
CAWS | J42/400 Waterproof membrane P10/60 Air and vapour control layer P10/310 Air and vapour control layer H92/780 Air and vapour control layer H92/450 Air and vapour control layer |
Material | Manufacturer's standard. |
Purpose | UV resistant, watertight, airtight and fire protection. |
Third-party certification | British Board of Agrément (BBA) certificate 17/5396 Product Sheet 1. |
Performance characteristics | |
Tensile strength (minimum) | 2200–2100 N/50 mm.Manufacturer guidanceTo DIN EN ISO 1421/V1: |
Tear resistance | 230 N.Manufacturer guidanceTo DIN 53363: |
Elongation to break | 25.73% (warp) and 29.48% (weft).Manufacturer guidanceTo DIN EN 1421: |
Water vapour resistance (minimum) | 59 MN·s/g.Manufacturer guidanceTo EN 1931: |
Fire performance | To EN 13501-1, B-s3, d0. |
Physical properties | |
Colour | Black. |
Dimensions | |
Thickness (minimum) | 0.50 mm. |
Width (minimum) | Guidance for specification option: Insert requirements, 50–1500 mm. |
Roll length (minimum) | 20 m. |
Integral accessories | Cortex 0771FR Class B Paste Adhesive. Guidance for specification option: Cortex 0771FR Class B Paste Adhesive: High-quality, moisture-curing adhesive for membrane bonding applications. Can be used in applications that require fire-retardant properties.
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Temperature resistance | To DIN EN 1876-1, -40°C to +70°C. |
Environmental stress crack resistance | To DIN 53359A, 100 000 x. |
UV resistance | 10+ years. Guidance for specification option: Exposed. |
Layer thickness | Equivalent air layer thickness, to EN 1931: 12 m (Sd value). |
Water vapour permeability | To EN 1931, 23 726 µ. |
Platform | Compatible | Version |
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