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

Basement & Cellar Tanking Solutions
Tanking is a specialist waterproofing solution used to protect below ground spaces from water ingress. It is typically required in basements, cellars, and areas exposed to constant moisture pressure from surrounding ground levels.
At ProMaster Gecko, tanking is only recommended following proper inspection to ensure it is the correct solution for the structure.
Why Tanking Requires Proper Diagnosis
Below ground water ingress can occur for several reasons, including groundwater pressure and structural weaknesses. Applying tanking without understanding how moisture is entering the building can lead to system failure or ongoing damp problems.
Our approach focuses on identifying the cause first, ensuring tanking is only specified where it is genuinely appropriate.
Where Tanking Is Commonly Used
Tanking is typically considered in properties where moisture is entering below ground structures and affecting internal spaces.
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Basements and cellars below external ground level
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Persistent moisture affecting retaining walls
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Water ingress through floors or lower wall sections
Our Tanking Process
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Inspection and moisture assessment
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Identification of water ingress pathways
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Selection of an appropriate tanking system
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Careful installation and detailing
Tanking Systems in Practice
Below are examples of tanking works carried out in below ground areas where water ingress was confirmed through inspection.





Why Choose ProMaster Gecko for Tanking
Tanking is a high risk waterproofing solution that requires experience and correct specification. Our work is inspection led, methodical, and focused on long term protection rather than temporary fixes.
Clients choose ProMaster Gecko for clear advice, disciplined installation standards, and reliable results.
Ready to Protect Your Basement Properly?
Start with a professional inspection to determine whether tanking is the right solution for your property.