
Damp, Condensation & Moisture Problems Properly Diagnosed
Don’t guess. Identify the cause before treating the symptoms.

Basement Tanking Systems London
Basement tanking systems are a key method used to protect below ground spaces from moisture and water ingress. In London properties, where ground conditions and older structures are common, tanking systems are often required to create a dry and usable environment.


What Is a Basement Tanking System
A basement tanking system is a waterproof barrier applied to walls and floors to prevent moisture from entering a structure. This is typically achieved using cementitious coatings or specialised waterproofing materials designed to withstand ground pressure.
Types of Basement Tanking Systems
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Cementitious tanking slurry applied directly to masonry
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Multi coat waterproof coatings for reinforced protection
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Combined tanking and membrane systems
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Structural waterproofing integrated into the building
When Is Tanking Required
Tanking is typically required where there is consistent moisture pressure from surrounding ground or where basements are being converted into habitable spaces. It is often used where simpler damp treatments are not sufficient.
Tanking systems must be correctly specified and installed to ensure long term performance. Incorrect application or unsuitable systems can lead to failure and recurring moisture problems.
If you’re unsure whether damp proofing is required, you can read our guide on do I need damp proofing.
You can learn more about related basement issues:
Basement Tanking Assessments London
A professional damp inspection ensures that tanking is the correct solution based on the structure, level of moisture, and intended use of the space. Each basement requires a tailored approach to achieve effective waterproofing.
For a full assessment, visit our damp inspection London page.
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