Waterproofing system maintenance

Cavity drainage waterproofing systems must be designed and constructed to be maintainable, and where appropriately maintained, it ensures that they continue to function and protect for the longer term.

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Waterproofing system maintenance

Waterproofing system maintenance expertise

Trace maintain the waterproofing systems that we install using in-house directly employed staff. We do not as a rule sub-contract this work out to third parties, which can introduce split liabilities between those that installed the original system, and those that maintain.

We have a vested interest in ensuring that every clients system, is kept in the best possible health.

We started installing cavity drainage waterproofing systems in 1998, being the second Contractor in the UK to install the now ubiquitous perimeter drainage channel.

As a result we have maintained many systems for a very long time.

BS8102 (2022) includes specific guidance in relation to maintenance, as one of the authors of this we can ensure compliance.

Maintaining waterproofing channels

Perimeter drainage channels collect penetrating water, diverting this to the discharge point. Waterproofing channels should have access ports and should be checked and cleaned as necessary, as part of the maintenance process.

Waterproofing pump systems

Where pumps are employed to remove water, they should be checked, cleaned and replaced in time on a prevantative basis.

Waterproofing systems Back-up

Trace employ market leading battery back-up systems based upon Victron inverter technology and communications standard batteries with up to 12 year service life.

Drainage channel maintenance

Just a note in respect of this, there are specialist pump companies that offer to undertake the maintenance of the basement sump pump systems, however they do not also maintain the channels. This is not a comprehensive cavity drainage maintenance service. Worth checking with your provider and ensuring that everything is included.

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Approved & Accredited Waterproofing Contractors

Guidance for Waterproofing Clients

basement waterproofing sump maintenance
A clean sump is a happy sump

As waterproofing design specialists, Trace have produced simple to read guidance documentation, relating to the varied components of sump pump systems, what they do and the implications in respect of protection provided. This is so that Clients can easily understand what they've got and how this protects.

We make it easy for clients with older and more basic systems to understand the difference between what they have and what is now the norm - what we now recommend.

We could not have successfully completed this project without a flexible and proactive contractor, able to continuously deliver results under pressure in what were often difficult working conditions. When issues arose Trace assisted wherever they could, including where those issues did not fall directly within their remit. I would have no hesitation in recommending Trace to prospective clients”

‘Trace completed all of the works identified in the main building to a very high standard’. ‘All of the lads on site have been excellent and it has been a pleasure to work with you all.’

"Thank you so much for your generous and expert advice on how to cost effectively resolve the damp challenges at 422. Your guidance to our team has been great and given them the information and direction they need to get on with the job. Also thank you for linking us to your materials supplier so they can be sourced economically". *charity work*

422 Community Hub

"I think this is the best CDM installation I have ever seen. I have seen a lot. Everything about it is textbook. It is neat, tidy, straight, square…. Just perfect and the care and attention taken to fix the plugs to the exact centres ready for further trades is nothing less than a work of art. In addition to this, the site management is top-notch also. Everything about the project gives massive credit to Trace and all who worked on this project".

Newton Waterproofing

Preventative Waterproofing Systems maintenance

Maintenance of cavity drainage waterproofing is undertaken on a preventative basis, we keep drainage channels clear to ensure that water can flow to sump pump systems. Pumps and back-up systems are maintained to extend service life, but at a point should be replaced prior to failure.

Sump pump systems are (at least by Trace) always designed with redundancy in mind, we design on the basis that a pump could fail, so always integrate dual pumps - if one pump fails the other takes over, and also battery back-up which protects against power outage. Notwithstanding, preventative maintenance and replacement of plant in time is prudent.

basement sump system control panels

BS8102 Protection of below ground structures against water ingress (2022)

The 2022 revision of BS8102 includes specific guidance both on the commissioning and maintenance of sump pump systems for cavity drainage waterproofing. Trace undertake both, and we provide detailed correspondence to demonstrate and record the work that has been undertaken.

Award winning experts in dealing with problems of moisture in buildings. Est 1974.



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