Crafted from top-grade virgin polymer, this membrane provides a reliable defence against cancer-causing gases while also doubling as a damp proof solution in low hydrostatic pressure environments.

Its robust design ensures long-lasting protection, whilst also making it easy to install without the hassle of excessive tape and sealants for jointing. Engineered to meet the standards set by BRE 211:2023, the membrane is suitable for various concrete ground floor applications. Its superior elongation properties mean it is less likely to tear compared to other reinforced products, making it both a dependable and practical choice for safeguarding your family's wellbeing. Rest assured, with Radbar's state-of-the-art technology, you are in safe hands.

  • Size: 4x20m, suitable for large areas
  • Acts as a barrier against radon and damp
  • Made from top grade virgin polymer
  • Durable and highly-puncture resistant
  • Superior elongation properties
  • Easy installation without excessive tape
  • Complies with BRE 211:2023 standards
  • Ideal for concrete ground floor applications

£4.99 Standard Delivery, or FREE on most orders over £99* (some exclusions apply)

£9.99 Next day delivery is available for orders places before 12 noon. Any orders placed for next day delivery after this time, will take 2 working days to be delivered.

Working/delivery days are Monday to Friday, deliveries will not normally be made Saturday or Sunday.

We offer a 30-day returns policy on on the majority of our items*, as long as the item is unused, undamaged and unopened**. We only ask that the postage is covered by yourself. 


* Please see our delivery page for further details on specific exceptions.

** Some products that are made to order or personalised cannot be returned.

***Exclusions apply for items shipped directly from our suppliers, and some big & bulky items may incur an additional charge. Please see our delivery page for full details. 

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JRT 4x20m Barrier Membrane

  • 119,50 â‚¬ ex. VAT
  • (Delivery from 6,90 â‚¬ ex. VAT )
1+ 3+
119,50 â‚¬ ex. VAT 106,10 â‚¬ ex. VAT
Item in Stock   |   Usually dispatched within 24 hours
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Free UK Delivery on most orders over £99
Delivery Rates & Information

Delivery Options

Standard Delivery: £4.99 - Free for all orders over £99.*
Next Day Delivery: £9.99 - Available for orders placed before 12:00 PM (Noon).

Important Delivery Notes

Next Day Delivery Cut-off: Orders placed after 12:00 PM (Noon) using Next Day Delivery will be delivered within two working days.
Working Days: Our standard delivery and shipping days are Monday through Friday. We do not normally deliver on Saturdays or Sundays.

Easy 30-Day Returns

We want you to be happy with your purchase! We offer a 30-day returns policy on all items, provided the following conditions are met:
  • The item is unused and undamaged.
  • The item is returned in its original packaging.
  • The customer is responsible for the return postage costs.

Combining Your Order

We always strive to combine your order into a single delivery. However, your order may arrive in multiple shipments if it contains:
  • Items from different warehouses (Standard items).
  • 'Direct' items (These are shipped separately and directly from the supplier) and will arrive separately from other items in your order.

*Exclusions & Additional Charges

The following items may be excluded from standard shipping rates or may incur extra delivery charges:
  • Items Shipped Directly from Suppliers ('Direct' items).
  • Certain Large or Bulky Items.
Want it by Friday 16th October? Order within 2 days, 18 hours, 20 minutes