x
  • Obex Cortex 0771FR Paste Adhesive
  • Obex Cortex 0771FR Paste Adhesive
  • Obex Cortex 0771FR Paste Adhesive
  • Obex Cortex 0771FR Paste Adhesive

Obex Cortex 0771FR - Moisture-Curing Adhesive - Pack of 12

Rated 5.0 by 1 Happy Customer
(incl VAT) £264.83
(excl VAT) £220.69
Estimated Delivery Date Oct 20, 2025 - Oct 21, 2025
No deliveries on weekends or holidays.
Send Me a Quote
Get FREE Delivery with orders over £650.00 (Exc Vat) on this item
Hurry! place your order before 11:00 am and get next-working day delivery
Every Order Plants 1 Tree and Protects 10 Existing Ones
Calculate Estimate Shipping Charges

Request a Quote

Our team is happy to fulfil custom orders, offer special bulk discounts you cannot get from the website. Please get in touch today to discuss your needs.

Obex Cortex 0771FR Paste Adhesive is a specialised, fire-classified sealant from Obex Protection Ltd. This is a high-performance membrane adhesive designed to create a robust weather and airtight seal. Specifically engineered, this is a single-component, moisture-curing, and solvent-free adhesive. Its advanced formula ensures superior resistance properties, making it an essential material for modern construction projects that demand high compliance with safety and performance standards. The primary function of the Obex Cortex 0771FR is creating an airtight and weatherproof seal together with interface sealing membranes in through-wall construction and other interface sealing scenarios.

Obex Cortex 0771FR Paste Adhesive is a high-performance, fire-rated sealant designed to create a permanent weather and airtight seal for membrane overlaps and construction interfaces.

Key Features

  • Superior Fire Performance: The adhesive has a B-s1,d0 fire classification according to EN 13501-1. This fire-classified property is a critical feature for projects with stringent fire safety requirements.
  • Exceptional Adhesion: It demonstrates high adhesion levels to a wide range of common building substrates, including masonry, concrete, steel, and most EPDM or façade membranes like the Obex Cortex 0500FR Class B interface sealing membrane.
  • Durable Sealing: The design ensures a permanent bond, creating a weather and airtight barrier that protects against the elements. Its excellent UV resistance prevents degradation over time.
  • BBA Certified : This adhesive has also been certified by BBA, ensuring its quality and reliability. 

Applications

Obex Cortex 0771FR is primarily used to create a weather and airtight seal when bonding OBEX CORTEX 0500FR Class B and other Interface Sealing Membrane.

  • Obex Cortex 0771FR is a high-performance membrane adhesive designed to create an airtight and weatherproof seal in construction interfaces.
  • One box contains 12 foil packs. Each foil sausage is contains 600ml of the glue
  • It is specifically formulated to work seamlessly with OBEX CORTEX 0500FR Interface Sealing Membrane in through-wall construction and other interface sealing scenarios.
  • It has achieved B-s1,d0 when tested to EN 13501-1 in isolation, making it the safe choice for relevant buildings above 11 metres.
  • This moisture-curing adhesive has excellent UV resistance, making it a reliable option for outdoor construction projects.
  • Supplied in 600ml foil sausages, the Cortex 0771FR is easily applied with a standard caulking gun,
Product Type  Cortex Paste Adhesive
Product Code  0771FR
Brand  Obex
Colour  Black
Pack  12 x 600ml foil
Temperature Resistance  -50°C to 120°C
Reaction to Fire  B-s1,d0 (EN 13501-1)
Density  1.40 ± 0.03gr/cm3

 

5.0
Average Rating
(1 Reviews)
Write Review
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

Customer Reviews

Our Customers Include

Brand
Brand
Brand
Brand
Brand
Brand
Brand
Brand

Add a Review

Your email address will not be published.

Request Site Visit

closeclose

Delivery Charges

closeclose
Delivery Terms
Order Value (Ex VAT) Delivery Charge (Ex. VAT)
£650  Free Delivery
Below £650  £16.00

Request a Call back

closeclose

Request a Quote

closeclose