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Why a skilled waterproofing contractor is essential to keeping a basement dry

15th June 2017

Categories  Basement Conversion/Basement Waterproofing/Radon

Effective waterproofing is essential in any basement. But getting it right takes specialist skills and equipment.

We all know the important role that a reliable waterproofing system plays in any building, whether it is part of a new construction or a component of ongoing maintenance. However, when a basement is involved, the stakes get higher as the rooms go lower. Here, we look at what is involved in effectively waterproofing your basement.

Initial survey

No two projects are the same – each one has slightly different environmental and geological conditions, and the final proposed use of the building can also be an influencing factor. The first step is for one of our surveyors to visit the site and assess the best way forward.

It is critically important to get this right, which is why we only use the best CSSW qualified surveyors in the business. Your surveyor will be evaluating a variety of factors, including the local topography, water table, soil type, ground conditions, natural and man-made drainage and structural condition of the property. All of these can have a major impact on the behaviour of water and moisture, and on the most effective means of managing it.

The surveyor will balance all of these factors against the best practice laid out in the applicable British Standards Institute Code of Practice in order to come up with the most appropriate waterproofing system for your purposes.

Radon survey

The Code of Practice was revised in 2009 to specify that the potential for radon gas needs to be taken into account in every basement waterproofing system. The reason for this is that underground environments are particularly susceptible to radon, which can be highly hazardous to health.

With this in mind, we also perform a radon testing service to check whether there are high levels in your area. If this is the case, there are radon mitigation measures that can be put in place in combination with the waterproofing, to tie everything up in one project. To fin out more about Radon testing please click here.

Types of system

There are several different types of waterproofing system, and our surveyor will discuss the best one for your circumstances. Systems that might be recommended include a cavity drainage membrane, a sump and pump, a multi-coat cementitious system or, if radon is an issue, a combined radon control and waterproofing system.


The next step is for our team to visit the site and install the waterproofing system. You can be sure that you are dealing with the best, as all our operatives are hugely experienced and are trained to the highest level. We follow a philosophy of continual development, which means they never stop learning and building on their skills.

As such, we are proud to be approved installers of all the top waterproofing systems, including Delta, Triton and Fosroc to name but three.

As well as a great team of operatives, the surveyor you met earlier, along with our Contract Manager, will be overseeing every step of the project and will be on hand to answer any questions you might have.

Our team will work in cooperation with other professionals involved in the broader project to ensure all goes smoothly.

If you’re about to embark on a basement or cellar project and would like to know more about our waterproofing services please contact us here.

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Give us a call on 0800 012 6094 to speak to a member of our team