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Waterproofing & Membranes

Swellable Waterstops / Hydrophilic Strips

Hydrophilic strip waterstops are designed to prevent water from leaking from or into concrete structures by swelling when in contact with water and creating an impenetrable barrier. They can be used for multiple purposes, including protecting structures from the wear and tear of a constant flow of water and maintaining the desired structural integrity.

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Hydrotite CJ0725

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Hydrotite CJ0725 Hydrotite CJ is the go-to product for reliable, effective and simple sealing of construction joints. Spec'd on jobs all over the world, Hydrotite has one of the best reputations in the industry and boasts a triple-action hydrophilic seal system, expanding up to 5 times its original size after contact with water.

Hydrotite CJ has a unique delay-action coating, which slows down the expansion process over a period of days, allowing concrete to gain strength of a period of time, to prevent cracking in green concrete. This delay (of up to 10 days) also minimises scrappage on site due to negligence.

Heaton Products Ltd. is an approved Hydrotite stockist.

Hydrotite CJ can be used for various applications including but not limited to:

  • Construction joints (up to 7m water head)
  • Large diameter pipe penetrations (6″-18″)
  • Curb Joints
  • Joint repairs (up to 7mm width)
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N.B. Hydrotite CJ requires a contact adhesive to ensure a strong bond with the concrete. We supply 1 litre bottles of contact adhesive which is enough for 100 metres of Hydrotite CJ waterstop.


Dual Seal Waterstop

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bentonite dual seal waterstop Dual Seal waterstops have been specifically designed to seal construction joints against the ingress or egress of liquids in water retaining or excluding structures. This Dual Seal waterstop is fixed by nailing the product to the face of the existing substrate prior to placing the next pour. It is installed directly onto scabbled surfaces and will swell into voids up to 12mm deep. Changes of direction and end joints are simply achieved by butting together, no welding or adhesives are required.

Dual seal hydrophilic strip water stops can be applied to green concrete and in damp conditions.

These bentonite-based waterstops are made using high quality materials, are long-lasting and have been independently tested up to a 30 metre head of water.

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Contact Adhesive


Contact Adhesive Contact adhesive, for use in conjunction with Hydrotite CJ Waterstops. Prior to placing the waterstop, a contact adhesive must be used to ensure a strong bond between the substrate and the waterstop, to create a solid, and reliable seal. We supply 1000ml bottles of contact adhesive, which is enough to cover 100m of Hydrotite CJ0725

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Need help or advice?

We have a team of experts on-hand to offer advice and support when purchasing, and to offer clear guidance on application guidelines and product limitations. We’re always available and happy to discuss your requirements over the phone, or via email if you prefer.
Call now on 01283 480 717
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Delivery Information

We are able to arrange delivery to your home, premises, or site, at a time convenient to you. We can liaise with your site manager to organise safe and quick offloading where necessary.


Please enquire for more information.

Card image

Delivery Information

We are able to arrange delivery to your home, premises, or site, at a time convenient to you. We can liaise with your site manager to organise safe and quick offloading where necessary.


Please enquire for more information.




I need this item ASAP, what can you do? We usually are able to offer next day delivery on stock items. The best way to find out is to call us and we'll try to go the extra mile to help you out.

I ordered this items a few days ago. Where is it? While we strive to dispatch items as soon as possible, sometimes an item is out of stock, or delayed for other reasons. For specific details relating to your order, please contact us directly by email or telephone on the number listed.

I'm just an individual retail customer, will you sell to me? Of course! We sell to trade and domestic customers, orders of any size. There's no minimum order on anything we supply.

NEXT DAY DELIVERY On all our stock products

NEXT DAY DELIVERY
On all our stock items

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