Waterproofing Design Specialists

Closeup of surveyor designing a CAD diagram on an iPad

What is a Waterproofing Design Specialist?

A Waterproofing Design Specialist is an individual that holds a PCA recognised CSSW qualification as well as meeting a stringent skills criteria. A CSSW qualification is a recognised professional qualification for individuals involved in diagnosing problems with water entering structures below ground level and who recommend design solutions.

Furthermore, to be recognised by the PCA as a Waterproofing Design Specialist the following criteria must also be met:

  • Demonstrable competence in all aspects of structural waterproofing
  • Be a member of (or be employed by a member of) the Property Care Association
  • Have attained the Certificated Surveyor in Structural Waterproofing (CSSW) qualification
  • Have an on-going commitment to continual skills development and actively participate in the PCA’s Continuing Professional Development (CPD) scheme
  • Hold Professional Indemnity Insurance

By using a Waterproofing Design Specialist to work on the design of your waterproofing system you are choosing to use a dedicated waterproofing professional who will ensure that your waterproofing project is compliant with British Standard BS8102:2022.

For more info call us on 0800 288 8660

Why do you need a Waterproofing Design Specialist?

BS 8102 asks for a Waterproofing Designer/Specialist to be part of the design team at the outset to ensure that an integrated waterproofing solution is realised. Providing the design team with guidance that assists and influences the design, installation and future maintenance of the waterproofed structure, a Waterproofing Design Specialist will:

  • Be able to advise and be part of team
  • Take on design liability if required. Ownership of the liability needs to be identified at the start of a project
  • Carry out Risk Assessments (sewers, gases, trees)
  • Investigate water table and surrounding areas
  • Consider accessibility, repairability and servicing
  • Design to the required environment grade for Basement uses (Grades 1a, 1b,2 or 3)
  • Choose the correct method / Type of Waterproofing System (Type A, B or C)


For more info call us on 0800 288 8660

Commercial Waterproofing Design from the experts

At Timberwise we recognise that no two waterproofing projects are the same, that’s why we offer a full design and installation service tailored to suit the exact needs of your project.

Not only do you we complete waterproofing projects successfully and provide systems to the highest standards but, we also give customers our full technical support from the start to the end of the process.

With an impressive client list – from architects to national home builders, blue chip companies to familiar high street names – Timberwise are the “go-to” waterproofing design specialists. If you have any questions about how Timberwise can help you with your project,  please feel free to chat directly to one of our waterproofing specialists who would be delighted to help you further.

Simply click on the ‘let’s chat’ button to chat to Timberwise and we’ll help you with your waterproofing questions. You can alternatively, complete our contact us form or give us a call on 0800 288 8660.