EPDM Membrane

Class E – EN 13501-1

A flexible membrane which is used to create water and airtight seals around openings such as windows, doors and SFS sections on construction projects.  Cortex EPDM has excellent water resistance properties and is BBA approved for façade applications. Read more

  • 3rd Party Certified 3rd Party Certified
  • EN 1928 - EN 13984 EN 1928 - EN 13984
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Downloads

BBA Agrément Certificate 175396

OBEX CORTEX 0.5mm EPDM Membrane – Class E | TDS

OBEX CORTEX 0.6mm EPDM Membrane – Class E | TDS

OBEX CORTEX 0.6mm EPDM Membrane – Class E | DoP

OBEX CORTEX 0.75mm EPDM Membrane – Class E | TDS

OBEX CORTEX 0.75mm EPDM Membrane – Class E | DoP

OBEX CORTEX 1mm EPDM Membrane – Class E | TDS

OBEX CORTEX 1mm EPDM Membrane – Class E | DoP

OBEX CORTEX 1.2mm EPDM Membrane – Class E | TDS

OBEX CORTEX 1.2 EPDM Membrane – Class E | DoP

OBEX CORTEX 1.5mm EPDM Membrane – Class E | TDS

OBEX CORTEX 1.5mm EPDM Membrane – Class E | DoP

Product Description

OBEX CORTEX EPDM Membrane is a flexible membrane which is used to create water and airtight seals around openings such as windows, doors and SFS sections on construction projects.  Cortex EPDM has excellent water resistance properties and is BBA approved for façade applications.

The use of CORTEX EPDM is limited under the England and Wales building regulations. Refer to the OBEX Technical team for further details.

Typical uses include;

  • 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

Product Specs

Widths

50mm - 1500mm

Length

20m

Thickness

0.5mm, 0.6mm, 0.75mm, 1.0mm, 1.2mm, 1.5mm

Technical Specs

Harmonised standard

EN 13984

Fire Classification | EN 13501-1

E

Air Tightness | EN 12114

<0.1m³

Resistance to tearing (nail shank) | EN 12310-1

≥10N

Equivalent air layer thickness (Sd value) | EN 1931

37.5 m

Elongation at break (both directions) | EN 12311-2

≥ 300%

Durability against ageing | EN1296/EN 1931

Pass

3rd party certification

BBA Certificate No.17/5396

Watertightness | EN 1928

Pass – 2 kPa for 24 hours

Tensile Strength (both directions) | EN 12311-2

≥6MPa

Water Vapour Permeability | EN 1931

50,000µ

Vapour resistance | EN 1931

188 MNs/g

Vapour resistivity | EN 1931

25,000 MNs/gm

Service temperature (approx)

-45°C to 130°C

Product Order Codes

Product CodesProduct DescriptionWidthThicknessLengthBox Quantity
OBEX CORTEX EPDM Membrane – Class E - 0.5mm
10.0500.002OBEX CORTEX EPDM Membrane – Class E - 0.5mm 50mm0.5mm20m1
10.0500.007OBEX CORTEX EPDM Membrane – Class E - 0.5mm 100mm0.5mm20m1
10.0500.011OBEX CORTEX EPDM Membrane – Class E - 0.5mm 150mm0.5mm20m1
10.0500.016OBEX CORTEX EPDM Membrane – Class E - 0.5mm 200mm0.5mm20m1
10.0500.021OBEX CORTEX EPDM Membrane – Class E - 0.5mm 250mm0.5mm20m1
10.0500.023OBEX CORTEX EPDM Membrane – Class E - 0.5mm 300mm0.5mm20m1
10.0500.026OBEX CORTEX EPDM Membrane – Class E - 0.5mm 350mm0.5mm20m1
10.0500.027OBEX CORTEX EPDM Membrane – Class E - 0.5mm 400mm0.5mm20m1
10.0500.028OBEX CORTEX EPDM Membrane – Class E - 0.5mm 450mm0.5mm20m1
10.0500.029OBEX CORTEX EPDM Membrane – Class E - 0.5mm 500mm0.5mm20m1
10.0500.030OBEX CORTEX EPDM Membrane – Class E - 0.5mm 550mm0.5mm20m1
10.0500.031OBEX CORTEX EPDM Membrane – Class E - 0.5mm 600mm0.5mm20m1
10.0500.032OBEX CORTEX EPDM Membrane – Class E - 0.5mm 650mm0.5mm20m1
10.0500.034OBEX CORTEX EPDM Membrane – Class E - 0.5mm 700mm0.5mm20m1
10.0500.035OBEX CORTEX EPDM Membrane – Class E - 0.5mm 750mm0.5mm20m1
10.0500.036OBEX CORTEX EPDM Membrane – Class E - 0.5mm 800mm0.5mm20m1
10.0500.038OBEX CORTEX EPDM Membrane – Class E - 0.5mm 900mm0.5mm20m1
10.0500.040OBEX CORTEX EPDM Membrane – Class E - 0.5mm 1000mm0.5mm20m1
10.0500.044OBEX CORTEX EPDM Membrane – Class E - 0.5mm 1200mm0.5mm20m1
10.0500.045OBEX CORTEX EPDM Membrane – Class E - 0.5mm 1250mm0.5mm20m1
10.0500.046OBEX CORTEX EPDM Membrane – Class E - 0.5mm 1300mm0.5mm20m1
10.0500.048OBEX CORTEX EPDM Membrane – Class E - 0.5mm 1500mm0.5mm20m1
OBEX CORTEX EPDM Membrane – Class E - 0.6mm
10.0600.001OBEX CORTEX EPDM Membrane – Class E - 0.6mm 50mm0.6mm20m1
10.0600.004OBEX CORTEX EPDM Membrane – Class E - 0.6mm 100mm0.6mm20m1
10.0600.007OBEX CORTEX EPDM Membrane – Class E - 0.6mm 150mm0.6mm20m1
10.0600.009OBEX CORTEX EPDM Membrane – Class E - 0.6mm 200mm0.6mm20m1
10.0600.013OBEX CORTEX EPDM Membrane – Class E - 0.6mm 250mm0.6mm20m1
10.0600.014OBEX CORTEX EPDM Membrane – Class E - 0.6mm 300mm0.6mm20m1
10.0600.016OBEX CORTEX EPDM Membrane – Class E - 0.6mm 350mm0.6mm20m1
10.0600.018OBEX CORTEX EPDM Membrane – Class E - 0.6mm 400mm0.6mm20m1
10.0600.019OBEX CORTEX EPDM Membrane – Class E - 0.6mm 450mm0.6mm20m1
10.0600.020OBEX CORTEX EPDM Membrane – Class E - 0.6mm 500mm0.6mm20m1
10.0600.021OBEX CORTEX EPDM Membrane – Class E - 0.6mm 550mm0.6mm20m1
10.0600.022OBEX CORTEX EPDM Membrane – Class E - 0.6mm 600mm0.6mm20m1
10.0600.023OBEX CORTEX EPDM Membrane – Class E - 0.6mm 650mm0.6mm20m1
10.0600.024OBEX CORTEX EPDM Membrane – Class E - 0.6mm 700mm0.6mm20m1
10.0600.025OBEX CORTEX EPDM Membrane – Class E - 0.6mm 750mm0.6mm20m1
10.0600.026OBEX CORTEX EPDM Membrane – Class E - 0.6mm 800mm0.6mm20m1
10.0600.032OBEX CORTEX EPDM Membrane – Class E - 0.6mm 900mm0.6mm20m1
10.0600.033OBEX CORTEX EPDM Membrane – Class E - 0.6mm 1000mm0.6mm20m1
10.0600.036OBEX CORTEX EPDM Membrane – Class E - 0.6mm 1200mm0.6mm20m1
10.0600.042OBEX CORTEX EPDM Membrane – Class E - 0.6mm 1250mm0.6mm20m1
10.0600.043OBEX CORTEX EPDM Membrane – Class E - 0.6mm 1300mm0.6mm20m1
10.0600.040OBEX CORTEX EPDM Membrane – Class E - 0.6mm 1500mm0.6mm20m1
OBEX CORTEX EPDM Membrane – Class E - 0.75mm
10.0750.006OBEX CORTEX EPDM Membrane – Class E - 0.75mm 50mm0.75mm20m1
10.0750.012OBEX CORTEX EPDM Membrane – Class E - 0.75mm 100mm0.75mm20m1
10.0750.021OBEX CORTEX EPDM Membrane – Class E - 0.75mm 150mm0.75mm20m1
10.0750.029OBEX CORTEX EPDM Membrane – Class E - 0.75mm 200mm0.75mm20m1
10.0750.038OBEX CORTEX EPDM Membrane – Class E - 0.75mm 250mm0.75mm20m1
10.0750.045OBEX CORTEX EPDM Membrane – Class E - 0.75mm 300mm0.75mm20m1
10.0750.053OBEX CORTEX EPDM Membrane – Class E - 0.75mm 350mm0.75mm20m1
10.0750.060OBEX CORTEX EPDM Membrane – Class E - 0.75mm 400mm0.75mm20m1
10.0750.067OBEX CORTEX EPDM Membrane – Class E - 0.75mm 450mm0.75mm20m1
10.0750.072OBEX CORTEX EPDM Membrane – Class E - 0.75mm 500mm0.75mm20m1
10.0750.081OBEX CORTEX EPDM Membrane – Class E - 0.75mm 600mm0.75mm20m1
10.0750.086OBEX CORTEX EPDM Membrane – Class E - 0.75mm 650mm0.75mm20m1
10.0750.092OBEX CORTEX EPDM Membrane – Class E - 0.75mm 700mm0.75mm20m1
10.0750.097OBEX CORTEX EPDM Membrane – Class E - 0.75mm 750mm0.75mm20m1
10.0750.099OBEX CORTEX EPDM Membrane – Class E - 0.75mm 800mm0.75mm20m1
10.0750.102OBEX CORTEX EPDM Membrane – Class E - 0.75mm 850mm0.75mm20m1
10.0750.104OBEX CORTEX EPDM Membrane – Class E - 0.75mm 900mm0.75mm20m1
10.0750.107OBEX CORTEX EPDM Membrane – Class E - 0.75mm 950mm0.75mm20m1
10.0750.108OBEX CORTEX EPDM Membrane – Class E - 0.75mm 1000mm0.75mm20m1
10.0750.110OBEX CORTEX EPDM Membrane – Class E - 0.75mm 1050mm0.75mm20m1
10.0750.112OBEX CORTEX EPDM Membrane – Class E - 0.75mm 1100mm0.75mm20m1
10.0750.113OBEX CORTEX EPDM Membrane – Class E - 0.75mm 1150mm0.75mm20m1
10.0750.114OBEX CORTEX EPDM Membrane – Class E - 0.75mm 1200mm0.75mm20m1
10.0750.115OBEX CORTEX EPDM Membrane – Class E - 0.75mm 1250mm0.75mm20m1
10.0750.116OBEX CORTEX EPDM Membrane – Class E - 0.75mm 1300mm0.75mm20m1
10.0750.118OBEX CORTEX EPDM Membrane – Class E - 0.75mm 1400mm0.75mm20m1
10.0750.119OBEX CORTEX EPDM Membrane – Class E - 0.75mm 1500mm0.75mm20m1
OBEX CORTEX EPDM Membrane – Class E - 1mm
10.1000.003OBEX CORTEX EPDM Membrane – Class E - 1mm 50mm1mm20m1
10.1000.008OBEX CORTEX EPDM Membrane – Class E - 1mm 100mm1mm20m1
10.1000.012OBEX CORTEX EPDM Membrane – Class E - 1mm 150mm1mm20m1
10.1000.019OBEX CORTEX EPDM Membrane – Class E - 1mm 200mm1mm20m1
10.1000.023OBEX CORTEX EPDM Membrane – Class E - 1mm 250mm1mm20m1
10.1000.025OBEX CORTEX EPDM Membrane – Class E - 1mm 300mm1mm20m1
10.1000.029OBEX CORTEX EPDM Membrane – Class E - 1mm 350mm1mm20m1
10.1000.030OBEX CORTEX EPDM Membrane – Class E - 1mm 400mm1mm20m1
10.1000.032OBEX CORTEX EPDM Membrane – Class E - 1mm 450mm1mm20m1
10.1000.035OBEX CORTEX EPDM Membrane – Class E - 1mm 500mm1mm20m1
10.1000.037OBEX CORTEX EPDM Membrane – Class E - 1mm 550mm1mm20m1
10.1000.038OBEX CORTEX EPDM Membrane – Class E - 1mm 600mm1mm20m1
10.1000.039OBEX CORTEX EPDM Membrane – Class E - 1mm 650mm1mm20m1
10.1000.041OBEX CORTEX EPDM Membrane – Class E - 1mm 700mm1mm20m1
10.1000.042OBEX CORTEX EPDM Membrane – Class E - 1mm 750mm1mm20m1
10.1000.043OBEX CORTEX EPDM Membrane – Class E - 1mm 800mm1mm20m1
10.1000.046OBEX CORTEX EPDM Membrane – Class E - 1mm 850mm1mm20m1
10.1000.048OBEX CORTEX EPDM Membrane – Class E - 1mm 900mm1mm20m1
10.1000.049OBEX CORTEX EPDM Membrane – Class E - 1mm 950mm1mm20m1
10.1000.051OBEX CORTEX EPDM Membrane – Class E - 1mm 1000mm1mm20m1
10.1000.053OBEX CORTEX EPDM Membrane – Class E - 1mm 1100mm1mm20m1
10.1000.054OBEX CORTEX EPDM Membrane – Class E - 1mm 1200mm1mm20m1
10.1000.055OBEX CORTEX EPDM Membrane – Class E - 1mm 1300mm1mm20m1
10.1000.057OBEX CORTEX EPDM Membrane – Class E - 1mm 1500mm1mm20m1
OBEX CORTEX EPDM Membrane – Class E - 1.2mm
10.1200.001OBEX CORTEX EPDM Membrane – Class E - 1.2mm 100m1.2mm20m1
10.1200.002OBEX CORTEX EPDM Membrane – Class E - 1.2mm 150m1.2mm20m1
10.1200.004OBEX CORTEX EPDM Membrane – Class E - 1.2mm 200m1.2mm20m1
10.1200.005OBEX CORTEX EPDM Membrane – Class E - 1.2mm 250m1.2mm20m1
10.1200.006OBEX CORTEX EPDM Membrane – Class E - 1.2mm 300m1.2mm20m1
10.1200.007OBEX CORTEX EPDM Membrane – Class E - 1.2mm 350m1.2mm20m1
10.1200.008OBEX CORTEX EPDM Membrane – Class E - 1.2mm 400m1.2mm20m1
10.1200.011OBEX CORTEX EPDM Membrane – Class E - 1.2mm 500m1.2mm20m1
10.1200.014OBEX CORTEX EPDM Membrane – Class E - 1.2mm 600m1.2mm20m1
10.1200.020OBEX CORTEX EPDM Membrane – Class E - 1.2mm 800m1.2mm20m1
10.1200.022OBEX CORTEX EPDM Membrane – Class E - 1.2mm 1000m1.2mm20m1
10.1200.024OBEX CORTEX EPDM Membrane – Class E - 1.2mm 1200mm1.2mm20m1
10.1200.025OBEX CORTEX EPDM Membrane – Class E - 1.2mm 1250mm1.2mm20m1
10.1200.027OBEX CORTEX EPDM Membrane – Class E - 1.2mm 1500mm1.2mm20m1
OBEX CORTEX EPDM Membrane – Class E - 1.5mm
10.1500.001OBEX CORTEX EPDM Membrane – Class E - 1.5mm 50mm1.5mm20m1
10.1500.004OBEX CORTEX EPDM Membrane – Class E - 1.5mm 100mm1.5mm20m1
10.1500.005OBEX CORTEX EPDM Membrane – Class E - 1.5mm 150mm1.5mm20m1
10.1500.007OBEX CORTEX EPDM Membrane – Class E - 1.5mm 200mm1.5mm20m1
10.1500.008OBEX CORTEX EPDM Membrane – Class E - 1.5mm 250mm1.5mm20m1
10.1500.009OBEX CORTEX EPDM Membrane – Class E - 1.5mm 300mm1.5mm20m1
10.1500.010OBEX CORTEX EPDM Membrane – Class E - 1.5mm 350mm1.5mm20m1
10.1500.011OBEX CORTEX EPDM Membrane – Class E - 1.5mm 400mm1.5mm20m1
10.1500.012OBEX CORTEX EPDM Membrane – Class E - 1.5mm 450mm1.5mm20m1
10.1500.013OBEX CORTEX EPDM Membrane – Class E - 1.5mm 500mm1.5mm20m1
10.1500.014OBEX CORTEX EPDM Membrane – Class E - 1.5mm 600mm1.5mm20m1
10.1500.015OBEX CORTEX EPDM Membrane – Class E - 1.5mm 700mm1.5mm20m1
10.1500.017OBEX CORTEX EPDM Membrane – Class E - 1.5mm 800mm1.5mm20m1
10.1500.018OBEX CORTEX EPDM Membrane – Class E - 1.5mm 900mm1.5mm20m1
10.1500.019OBEX CORTEX EPDM Membrane – Class E - 1.5mm 950mm1.5mm20m1
10.1500.020OBEX CORTEX EPDM Membrane – Class E - 1.5mm 1000mm1.5mm20m1
10.1500.021OBEX CORTEX EPDM Membrane – Class E - 1.5mm 1200mm1.5mm20m1
10.1500.022OBEX CORTEX EPDM Membrane – Class E - 1.5mm 1500mm1.5mm20m1

Enquire now