Obex Cortex Interface Sealing Membrane (ISM) system is a high-performance, Class B rated EPDM-alternative designed for construction projects. This innovative sealing system is engineered to create water and airtight seals around windows, doors, and curtain walling systems, ensuring the integrity and compliance of modern building façades. As the first and only ‘EPDM-alternative’ to achieve a fire classification, the Obex Cortex system provides a superior solution for critical sealing applications.
Key Features
- Superior Fire Performance: The system is rigorously tested according to EN 13501-1, achieving excellent fire classification ratings. Key products include the Obex Cortex 0500FR Class B Interface Sealing Membrane.
- BBA Approved: The Obex Cortex membrane system has full BBA approval for façade applications. This certification provides independent verification of its performance and suitability for a wide range of applications, giving specifiers and installers complete confidence.
- High-Performance EPDM-Alternative: This fire-classified membrane is the modern EPDM-alternative, offering enhanced safety without compromising on the flexibility and durability required to form effective weather and airtight seals.
Applications
Obex Cortex 0500FR Interface Sealing Membrane is perfectly suited for all window and façade sealing applications where performance and fire safety are paramount.
Typical uses include:
- Water and airtight seals around windows, doors and curtain walling systems;
- Water and airtight seals from SFS sections to the concrete frame;
- Top of parapet walls;
- Balcony waterproofing;
- Many other applications where a robust Class B EPDM alternative is required.
- Obex Cortex 0500FR is class B rated, first and and only ‘EPDM-alternative’
- These are supplied in 20M long rolls, available in widths ranging from 50-1500mm
- It has full BBA approval and is perfectly suited for all window and façade sealing applications.
- Creates water and airtight seals across construction interfaces like windows, doors and curtain walling systems
- Please note this is not Self-Adhesive. Use OBEX CORTEX 0771FR Paste Adhesive to install. Primer Required.
| Product Type | Interface Sealing Membrane |
| Product Code | 0500FR |
| Brand | Obex |
| Widths | 50mm - 1500mm |
| Length | 20m |
| Thickness | 0.5mm |
| Fire Classification | Class B-s3,d0 |
| Water vapour permeability (μ) | EN 1931 | 23,726 μ |
| Vapour resistance | EN 1931 | 56 MNs/g |
| Delivery Terms | |
|---|---|
| Order Value (Ex VAT) | Delivery Charge (Ex. VAT) |
| £650 | Free Delivery |
| Below £650 | £16.00 |
Returns And Refunds
- You are free to cancel the order anytime before we send you an order confirmation email with the estimated delivery date.
- Once confirmed and delivered, The product is NON-RETURNABLE. The product comes to you straight from the manufacturer. NO Returns accepted
- We urge you to check the insulation for any damage before the driver returns. If the product you received is damaged, please contact us immediately.
- For more information, please refer to our Return Policy
