OBEX CORTEX 0500FR Class B Interface Sealing Membrane is a top-performing, 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, making it suitable for use on relevant buildings above 18m.

OBEX CORTEX 0500FR Class B Interface Sealing Membrane works seamlessly with OBEX CORTEX 0771FR Class B Paste Adhesive, together ensuring a robust, airtight seal between two substrates.

This membrane is perfect for a wide range of applications where a compliant fire-classified EPDM-alternative is required.