Basement Tanking; Transforming Your Underutilised Space

22 Nov 2023
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Basements, often damp and underutilised, can be transformed into valuable living spaces through basement tanking, a waterproofing process that eradicates dampness. Tanking systems, such as waterproof coatings and membranes, prevent moisture penetration, creating a dry, healthy environment. Basement tanking offers multiple benefits. It creates usable living areas, enhancing your home’s functionality and livability. 

By addressing dampness, it increases property value, making your home more attractive to potential buyers. Additionally, it contributes to energy efficiency, as a dry basement helps regulate indoor temperatures, reducing energy consumption and costs. Basement tanking is a transformative process that unlocks the potential of your basement, converting it from a neglected area into a valuable, usable space. It adds comfort, functionality, and value to your home, making it a worthwhile investment.

Understanding Basement Tanking

Basement tanking is the method of making a basement watertight, shielding it from the ingress of water and dampness. This is particularly crucial in areas where the water table is high, or where soil moisture levels are considerable. The process involves applying a waterproof coating or membrane to the walls and floor of the basement, effectively sealing it off from moisture.

The Process of Basement Tanking

The tanking process starts with a thorough assessment of the basement to identify the source and extent of any dampness. Once assessed, the area is prepared by removing any existing plaster or wall coverings, and the surfaces are cleaned and treated for any signs of mould or rot. A waterproof membrane or coating is then applied. There are two main types of tanking systems;

  1. Cementitious Tanking: Involves applying a specialised cement-based coating directly onto the walls and floors. The coating seamlessly integrates into the structure, creating a robust and durable barrier against water penetration.


  1. Membrane Tanking: Utilises a waterproof membrane affixed to the walls and floor, creating a physical barrier against moisture penetration. The flexible and durable membrane adapts to irregular shapes and corners, providing long-lasting protection with minimal maintenance.

Advantages of Basement Tanking

There are numerous advantages of basement tanking, including;

  1. Increased Usable Space: Tanking transforms damp, unusable basements into dry, comfortable rooms. This additional space can be utilised for various purposes – a home office, gym, entertainment area, or even an extra bedroom.


  1. Property Value Enhancement: A dry, usable basement adds significant value to your property. It not only increases the functional living space but also assures potential buyers of the property’s structural integrity.


  1. Healthier Living Environment: Damp environments are breeding grounds for mould and mildew, which can cause respiratory issues and other health problems. Tanking eradicates dampness, leading to a healthier living environment.


  1. Energy Efficiency: Tanked basements provide better insulation, reducing the amount of heat loss and potentially lowering heating costs in the winter.


  1. Protection of Property: Continuous exposure to damp can cause structural damage over time. Basement tanking protects against this, ensuring the longevity of your property.

Potential Uses for a Tanked Basement

Once tanked, the possibilities for your basement are nearly limitless. Below, are some ideas;

  • Home Cinema: Create your own entertainment hub with a home cinema setup.
  • Home Office or Study: With more people working from home, a quiet basement office is an ideal solution.
  • Gym or Yoga Studio: Convert it into a personal gym or a peaceful yoga retreat.
  • Guest Suite: Provide comfort and privacy for your guests with a basement guest suite.
  • Children’s Playroom: A safe and spacious area for children to play and store their toys.
  • Music or Art Studio: Perfect for those needing a creative space away from the household bustle.

Professional Basement Tanking

Basement tanking is not just about combating damp; it’s about unlocking potential. By transforming your basement into a dry, usable space, you open up a realm of possibilities for your home. Whether it’s creating a cosy family room or a functional home office, tanking is a step towards maximising the space and value of your property. With professional help and the right approach, your underutilised basement can become one of the most beloved parts of your home.

Welcome to Kenwood PLC

At Kenwood PLC, we specialise in comprehensive basement tanking solutions for both residential and commercial properties, ensuring protection from groundwater damage. Our services include cellar waterproofing, basement tanking, and treating under street vaults. We utilise advanced systems like Kenwood SWS Tanking and Rapid Setting Tanking System, as well as Cavity Drain Membrane Systems. These treatments are backed by a 10-year guarantee, providing peace of mind and added property value. For over 30 years, we’ve been a trusted provider in this field. Contact us at or call 01923 242441.

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