Structural Waterproofing

At MJ Rooney, we specialise in structural waterproofing in London, delivering reliable solutions to protect basements and below ground structures from water ingress. With almost four decades of experience, we design and install waterproofing systems that are tailored to each project, ensuring long-term performance and durability.

Our expertise covers all aspects of basement waterproofing, from tanking systems to integrated drainage solutions, allowing us to provide effective protection for both new build and existing structures.

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The considerations

When it comes to structural waterproofing, every basement project requires a tailored approach. Ground conditions, water tables and the surrounding environment can vary significantly across London, making it essential to design the right waterproofing system from the outset. This includes considerations such as flooding history and potential risks from ground gasses.

Our team assesses each project in detail, selecting the most suitable waterproofing methods and materials to ensure long term protection against water ingress. From initial design through to installation, we focus on delivering reliable, effective solutions that are suited to your property.

The importance of good waterproofing design

A well-designed waterproofing system is essential for protecting your basement from water ingress and long term damage. In below-ground construction, even small design or installation issues can lead to costly problems if not addressed properly from the outset.

Our team prioritises detailed planning and precise execution, designing waterproofing systems in line with British Standard 8102:2022. This ensures every solution is tailored to the specific conditions of your property, delivering reliable and long-lasting protection.

Our process

1. Initial assessment and site survey

Evaluate the site for construction issues and identify potential waterproofing challenges.

2. Design and planning

Develop a comprehensive waterproofing design tailored to the specific needs of the structure.

3. Preparation

Preparation of surfaces to ensure optimal adhesion of waterproofing materials.

4. Application of the appropriate waterproofing

Install waterproofing solutions using methods type A, B or C waterproofing methods.

5. Detailing and joint sealing

Ensure all joints, seams, and penetrations are thoroughly sealed to prevent water ingress.

6. Inspection and Quality Control

Conduct thorough inspections to ensure the integrity and effectiveness of the waterproofing system.

7. Final Testing

Perform water tests to verify that the waterproofing system is functioning as intended.

8. Guarantees and Certification

10 year guarantee with detailed documentation and certification of the waterproofing system for client records