Basement Tanking Kits
Basement Tanking Kits, Cellar Tanking Kits everything you need to undertake basement or cellar tanking conversation in one great value kit. Our Basement Tanking Kits uses a water proofing membrane, that leaves an impermeable waterproof surface, enabling dry-wall lining on studs & direct laying of floors and is ideal for water proofing wall & floor surfaces below ground.
Common Basement Waterproofing Questions
Whether you’re dealing with a wet basement, water ingress, damp cellar walls, or planning a basement conversion, the answers below explain the most common waterproofing problems and solutions.
A wet basement is usually caused by water ingress through walls or floors below ground level. Common causes include poor drainage, hydrostatic pressure, damaged waterproofing systems, high groundwater levels, or a lack of effective basement tanking. Identifying the source of the moisture is the first step in choosing the right waterproofing solution. In many cases, a basement tanking system or cavity drain membrane system can help create a dry, usable space.
Heavy rainfall can increase groundwater pressure around your property. When this pressure builds up, water can penetrate weak points in basement walls, floors, joints, or existing waterproofing systems. If water regularly appears after periods of rain, it is often a sign that a professional basement waterproofing solution is required. Basement tanking kits and cavity drain membrane systems are commonly used to manage and control water ingress in below-ground structures.
The best method depends on the condition of the cellar and the amount of water present. Common waterproofing methods include basement tanking systems, cavity drain membrane systems, waterproof renders, and sump and pump installations. A properly designed cellar waterproofing system helps prevent water ingress, protects internal finishes, and creates a dry environment suitable for storage, home offices, gyms, or full cellar conversions.
Yes. Many damp basements and cellars are successfully converted into living spaces every year. Before any conversion work takes place, the basement should be properly waterproofed using a suitable structural waterproofing system. Depending on the property and level of water ingress, this may involve basement tanking, cavity drain membranes, drainage channels, or sump and pump systems. Once waterproofed, the space can be transformed into a dry, comfortable room.
There is no single solution suitable for every basement. The best waterproofing system depends on factors such as the construction of the property, groundwater conditions, intended use of the space, and level of water ingress. Many waterproofing professionals recommend cavity drain membrane systems for basement conversions, while tanking systems may be suitable in other situations. In areas with high groundwater pressure, a sump and pump system may also be required to safely manage water.
Stopping water ingress requires identifying where the water is entering and selecting the correct waterproofing solution. This may involve installing a basement tanking system, cavity drain membrane system, waterproof render, drainage channels, or a sump and pump system. The goal is to either prevent water from entering the structure or safely manage and remove it before it can cause damage. A properly installed cellar waterproofing system provides long-term protection and helps create a dry, usable environment.
Basement Tanking Kits - Mesh
What Is a Mesh Membrane? Unlike traditional tanking, a mesh membrane also features an integral mesh backing, which provides a strong mechanical key. This allows direct plastering or dot-and-dab plasterboard installation without the need for additional battens or studwork.
Basement Tanking Full Kits
Basement Tanking Full Kits - Mesh
Basement Tanking Kits
A basement conversion is an increasingly popular home improvement project. And, converting a basement could deliver the extra living space you need in your home while, if your home doesn’t already have a basement, excavating underneath it can be a great alternative to building out. Change the damp old unused cellar into and amazing room, gym, office, guest room, home cinema. Make more of the space you currently have.
Common Basement Problems a Tanking Kit Can Solve
A basement tanking kit can help solve a wide range of waterproofing and damp-proofing issues commonly found in cellars, basements, and below-ground spaces, including:
- Water coming through basement walls after heavy rain
- Damp cellar walls and persistent moisture problems
- Wet basements and flooded below-ground rooms
- Black mould growth caused by excess moisture
- Musty smells and condensation in cellar spaces
- Salt contamination and damaged wall finishes
- Waterproofing a basement before conversion into a living area
- Creating a dry environment suitable for storage, offices, gyms, home cinemas, and guest rooms
Basement or cellar tanking is a Type A (barrier protection) waterproofing method. It works by applying a waterproof barrier—typically a cementitious slurry or specialist coating—to the internal or external walls and floors of a below-ground structure.
Once applied, the tanking system:
Blocks water penetration
Prevents damp and mould
Stops salt contamination
Creates a dry, habitable space
This makes basement tanking ideal for cellar conversions, basement refurbishments, and long-term damp protection in older or below-ground properties.
Our basement tanking kits are designed to be simple, compatible, and complete, removing the guesswork from waterproofing projects. Depending on the system, kits typically include:
Cementitious tanking slurry
Waterproof primers or bonding agents
Salt-resistant additives
Fillet seal or joint reinforcement materials
Clear application guidance
Each kit is formulated to work as a system, ensuring maximum adhesion, durability, and waterproof performance.
Basement tanking kits are suitable for:
Cellars and basements below ground level
Properties with lateral water pressure
Damp or water-affected masonry walls
Pre-conversion waterproofing projects
Garages, vaults, and retaining walls
If you’re converting a cellar into a bedroom, office, gym, or living space, tanking is often a critical first step before plastering or finishing.
✔ Trusted UK supplier of professional damp-proofing products
✔ Kits suitable for trade and DIY use
✔ Proven systems used in real-world basement projects
✔ Competitive pricing and fast UK delivery
✔ Expert-selected products that meet industry standards
We stock tanking kits that are easy to apply, highly effective, and built to last, helping you protect your property from long-term moisture damage.
Not all basements are the same. Factors such as wall construction, water pressure, and intended use of the space can affect which tanking system is best.
If you’re unsure which basement tanking kit you need, our range includes solutions suitable for:
Light damp control
Severe water ingress
Full basement conversions
Browse the products below to find the right system for your project.
Not all basements are the same. Factors such as wall construction, water pressure, and intended use of the space can affect which tanking system is best.
If you’re unsure which basement tanking kit you need, our range includes solutions suitable for:
Light damp control
Severe water ingress
Full basement conversions
Browse the products below to find the right system for your project.
A basement tanking membrane is a flexible waterproof barrier used to protect walls and floors in below-ground spaces. Unlike rigid tanking slurries, membranes are designed to accommodate slight structural movement while maintaining waterproof protection.
Basement tanking membranes are typically used as part of a drained or barrier waterproofing system, helping to manage moisture and prevent it from reaching internal finishes. They are especially useful in areas where movement, cracking, or long-term water pressure may be a concern.
Tanking membranes are suitable for:
Basements and cellars with persistent damp
Conversion projects requiring flexible waterproofing
Walls and floors where rigid systems may be unsuitable
When used correctly, a basement tanking membrane helps create a dry, habitable space while improving the longevity of the waterproofing system
A basement tanking system is a Type A structural waterproofing solution designed to prevent water ingress in basements, cellars, and other below-ground spaces. It works by applying a continuous waterproof barrier to internal or external walls and floors, stopping moisture before it enters the structure.
Basement tanking systems typically use cementitious tanking slurries or coatings that bond directly to masonry, creating a rigid, water-resistant layer. Once cured, the system blocks dampness, water penetration, mould growth, and salt contamination.
Basement tanking is commonly used for:
Cellar and basement conversions
Damp or water-affected masonry
Retaining walls and below-ground rooms
When correctly applied, a basement tanking system creates a dry, stable environment ready for plastering, rendering, or further internal finishes.
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