Basement Waterproofing

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Basement Waterproofing

Basement waterproofing is the first step to transforming a damp or leaking space below ground into a functional room that will add value to your property or even the basement conversion of your dreams.

Given that basements are susceptible to a lot of hydrostatic pressure from water built up in the surrounding ground and earth, it is no surprise that this pressure can lead to cracks, leakage, and damp problems. Below we will outline the three main types of waterproofing systems used to solve damp basements to create the perfect environment for your needs, including basement tanking and tanking membraine and drainage systems.

Rentokil Property Care offer a range of basement waterproofing, tanking, and basement protection systems that can help any domestic or commercial basement conversion become a reality. Contact our team on 0800 0121 437 or fill in the contact form below and we will get back to you.

How to Waterproof a Basement

To create a livable space beneath your home we offer two main solutions. Cementitious tanking which forms an impenetrable barrier to moisture ingress, or a Cavity drain membrane solution that channels water away from your property using a combination of membranes, drainage channels and pumps. We can even combine both waterproofing systems if that creates the best solution.
When you hire Rentokil Property Care to waterproof your basement or cellar you can expect the following:

  • Our surveyor will inspect your basement and discuss your needs.
  • The surveyor will inform you of the options available to transform your damp basement or cellar.
  • A basement waterproofing system designed specifically to meet your requirements.

Basement Waterproofing Systems

There is no singular method of waterproofing that suits all circumstances, so those in the industry tend to discuss three different systems, type A, B, and C.

We will outline each of the different systems below, but it is important to know that a combination of the three may be used and that the specific solution used to best fit your basement or cellar will be determined after a thorough site inspection visit by one of our qualified waterproofing surveyors.

Type A Waterproofing - Barrier System

This is where a physical barrier is applied to the basement or cellar walls to prevent water ingress.

Type A waterproofing is commonly referred to as ‘Tanking’ and typically involves the application of waterproof cement or ‘slurry’ to walls below ground level.

Type B Waterproofing - Integrated Systems

This refers to waterproofing solutions that are installed during the construction process, and as such are integrated into the building. Generally Type B waterproofing involves a reinforced concrete build, alongside a water control mechanism to prevent ingress at construction joints (such as a hydrophilic waterbar).

Naturally, our waterproofing specialists would have to be involved from the design stage of the project in order for a Type B system to be installed in your property.

Type C waterproofing - Cavity Drainage and Sump Pumps

This is the most modern method to waterproof a basement or cellar. It consists of a mixture of structural waterproofing membrane, basement floor drainage and a sump pump to remove any water securely and efficiently.

Cavity Drain Membranes utilise a studded membrane to line the walls and floors to provide a dry internal surface.

  • The walls can then be dry lined or plastered, and the floors can be screeded or overlaid with material like waterproof floorboards or tongue and groove flooring.
  • Sealed systems are used in conjunction with drainage or sump and pump where there is active water or flooding.
  • Ventilated systems are used where there is no visible water and in situations where conventional damp proofing methods are inappropriate.

Both of these systems can be designed to comply with BS8102, which is the code of practice relating to waterproofing underground structures.

Difference Between Basement Waterproofing and Tanking

Waterproofing is the umbrella term for all methods of keeping out moisture and damp from buildings. Broadly these are categorised as type A, type B and Type C systems.
Tanking almost always refers to Type A and the specific practice of applying slurry to the inside or outside of the building to prevent water ingress.

To find out more about tanking to keep rooms dry you can visit our basement Tanking page.

Do Basement Conversions need Waterproofing?

Put simply - Yes.

Traditional basements are not designed to be habitable and are surrounded by earth retaining walls, therefore almost all of them have some sort of issue with damp or moisture ingress. If an old fashioned basement is to be put to any sort of domestic use, waterproofing is essential to avoid future problems with mould, damp problems and rot.

This is where Rentokil Property Care can help. Our experienced and qualified basement waterproofing experts will be able to plan the perfect waterproofing system for your basement and our highly trained technicians will be able to implement it giving you a safe and dry space that will be covered by a long-term guarantee.

Is your Basement Suitable for a Conversion?

You can usually tell if your basement is suitable simply by looking at the dimensions of the space, but there are other factors to consider and this is where Rentokil Property Care can help.

Our qualified surveyors will help you to find out if your basement cellar is suitable for conversion by conducting a thorough basement survey. A professional survey from Rentokil Property Care will give you the help and advice you need and our team will be able to recommend all the work required to convert your basement or cellar into a dry and habitable space.

Contact the Basement Waterproofing Specialists

Rentokil Property Care offers a range of basement waterproofing and tanking systems that can help any domestic or commercial basement conversion become a reality. If you are interested in getting the best from your basement or cellar, give our team a call on 0800 0121 437 or fill in the contact form below and we will get back to you.

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