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Cavity Drainage

A Cavity Drainage system is made up of a cuspated membrane applied to the walls and floor with a channel at the wall/floor junction. The membrane allows any water ingress to filter down to the slab and find its way to the perimeter channel. The channel directs the water to a sump pump which is situated below the slab.

Cavity Drainage - Condensation Solutions - London and Kent Damp Proofing Specialists

Cavity Drainage Systems

A cavity drainage system is a waterproofing system that is used to protect structures that are underground from being damaged by water. You will find that the structure of the house that is in contact with the ground and the basement will benefit greatly when you have this kind of protection installed.

The premise of this system is that it uses an intricate yet simple method that directs water away from the property to make sure that waterproofing stands up to the challenge for years to come. 

The forms of construction used

To get the kind of waterproofing that is needed to ensure that all underground or at-risk structures are well taken care of, there are three forms of construction that are used:

  • Contiguous or secant piling with the facing wall.
  • Diaphragm walling.
  • Reinforced concrete box.


To get the best and most successful kind of protection, you will need to understand the construction, design and resolutions that ensure there is waterproofing that will not be compromised when exposed to water.

Interested? Give our team a call today!

If you’re interested in any of our London & Kent Damp-proofing services, please don’t hesitate to get in touch with us. Our team of experts will be happy to answer any questions you have.

You can speak to us by calling 0203 488 2954 or by sending an email to info@lkdampproofing.co.uk

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