Hydraflex flexible tanking membrane for waterproofing Concrete and Masonry

Price excl. VAT
Price incl. VAT
(14 items in stock)

Hydraflex is a two part flexible coating consisting of a cementitious powder and a high concentration liquid polymer. It can be applied to mineral substrates such as concrete and masonry to provide a protective waterproof barrier which can bridge cracks in the substrate ensuring the coating remains water tight.

Hydraflex is suitable for areas at risk of movement in both Internal and External environments.

Typical Uses.

Basements , cellars , foundations , lift pits , water tanks , construction joints , wall and floor junctions.

Podium decks , balconies , terraces and flat roofs.


  • Permanent waterproofing for concrete and masonry.
  • Superior crack bridging capability , making it ideal for high risk areas.
  • Suitable for both positive and negative water pressure.
  • Can be used internally and externally.
  • Bag and bottle system to ensure accurate and simple mixing.

Pack size of 20kg , coverage at 2mm thickness up to 6m2.

Please see data sheets for more detailed information and mixing instructions.







Delivery options are only available for delivery to mainland UK (excluding Scottish Highlands, Scottish Islands, Channel Islands, Isle Of Man Northern Ireland and Eire). Delivery to Scottish Highlands, Scottish Islands, Channel Islands, Isle Of Man, Northern Ireland and Eire are limited to 20kg and are available at a Premium rate. Please contact us on or via our help line if delivery is required outside these areas. Alternatively select ‘World-wide Delivery’ and a member of our sales staff will contact you regarding your options and costs.


We offer for the mainland UK , as standard, a FREE delivery service on all orders having a value greater than £200.00 (excluding VAT). For orders having a value less than £200.00 (excluding VAT) a carriage fee of £8.50 + VAT will be levied. Goods will be sent by a national carrier on their 1-2 working day standard service. Customers must understand that delays can always happen while their order is with the courier, for this reason we can not guarantee your order will be with you next day.

It is important that the customer ensures that all the delivery details are correct and that the customer or someone acting for the customer is able to sign for the delivery. Twistfix accept no liability for failed deliveries as a result of incorrect delivery details or the absence of any authorised signatory. Twistfix will attempt delivery to the recipient between the hours of between 8am and 6pm. If no one is available to receive the delivery an attempt may be made to leave the item with a neighbour. Alternatively the carrier may return the item to the sorting office and leave a calling card at the recipient's address to advise of the attempted delivery. It is the responsibility of the customer to arrange to collect the item from the depot or to arrange re-delivery with the carrier. Further information regarding Delivery can be read at our Terms & Conditions.


Items returned and received in their original condition and packaging within 14 days of delivery will be accepted for exchange or refund subject to a 20% restocking fee. You will be responsible for the shipping costs incurred in returning the goods and should ensure the items are adequately insured while in transit to us. You should email to request to return items.

Where the goods are being returned because they are faulty or are not the goods that were ordered then, subject to the goods being returned in re-saleable condition, Twistfix will refund the cost of return shipping. Further information regarding Returns can be read at our Terms & Conditions.