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 Obex Cortex 0531FR Class B - Airtight Tape - 50mm x 20M

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(incl VAT) £66.98 £60.90
-10%
(excl VAT) £50.75
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Estimated Delivery Date Jun 18, 2026 - Jun 22, 2026
No deliveries on weekends or holidays.
Get FREE Delivery with orders over £650.00 (Exc Vat) on this item
Every Order Plants 1 Tree and Protects 10 Existing Ones
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Please note - Obex Cortex 0531FR is made to order. Lead time is 2-3 working days

Discover the unparalleled performance of Obex Cortex 0531FR, the trusted solution for achieving airtightness and vapour tightness in building projects. Designed by Obex Protection Ltd, this class B vapour control layer (VCL) tape ensures exceptional moisture management and energy efficiency, making it the perfect partner for sustainable construction.

With a self-adhesive backing, the Cortex 0531FR offers a high-performance bond for sealing airtight and vapour-tight membranes, even under UV exposure. Its fire classification according to EN 13501-1 guarantees class B fire protection, making it a reliable choice for demanding applications.

Key Features:

  • Airtight and vapour-tight membrane for maximum efficiency.
  • High-quality adhesive ensures long-term durability.
  • Class B fire protection for enhanced safety.
  • Improves energy efficiency and building sustainability.
  • Backed by extensive testing for proven performance.

Applications:

Some tyoicaly applications of obex cortex 0531fr vapour sealing tapes includes:

  • Internal air and vapour seal tape. 
  • Sealing from glazing frames to the structure, internal window sealing
  • To install VCL membrane.
Delivery Terms
Order Value (Ex VAT) Delivery Charge (Ex. VAT)
£650  Free Delivery
Below £650  £16.00

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Delivery Terms
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£650  Free Delivery
Below £650  £16.00

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