OBEX CORTEX Interface Sealing Membrane 20m x 450mm x 0.5mm

About this product

Product code: 0500FR

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.

Weather & airtight seals around windows, doors and curtain walling systems

Weather & 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

Specifications:

Harmonised Standard: EN 13984

3rd Party Certification: BBA Certificate No. 17/5396

Fire Classification: EN 13501-1 B-s3,d0

Water Tightness: EN 1928 (Method A) Pass - 2kPa for 24 hours, 60kPa for 24 hours

Water Tightness: EN 1928 (Method B) Pass - 60kPa for 24 hours, 500kPa for 72 hours

Air Tightness: EN 12114 <0.1m³ net leakage

Tensile Strength: EN 12311-2 MD 2490 N/50mm, CD 2079 N/50mm

Resistance to Tearing (Nail Shank): EN 12310-1 MD 429 N, CD 452 N

Water Vapour Permeability (μ): EN 1931 23,726 μ

Equivalent Air Layer Thickness (Sd value): EN 1931 12m

Vapour ResistanceL EN 1931 59 MNs/g

Elongation at Break %: EN 12311-2 MD 28%, CD 31%

Cold Temperature Flexibility: EN 1109 / 495-5 - 40°C, no cracks

Calcium Sulphate Durability: EN 1847 Pass

UV & Heat Ageing: EN 1296 Pass (watertightness, tensile, tear strength)

*Packaging on these products may be damaged or showing signs of wear and tear and may be reboxed but all products are in good working condition. These products are non-returnable and non-refundable and once they are gone they are gone.