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About Southern Liquid Systems

Welcome to Southern Liquid Systems, one of London’s leading liquid waterproofing and liquid roofing systems specialists. We offer waterproofing solutions for the full building envelope. We know you need to get the best solution for your liquid waterproofing project. With this in mind, we offer a range of roofing services including roof consultancy, technical customer service, and on-site technical support from your initial point of contact through to project completion.

Delivering the highest quality liquid waterproofing products and services is at the heart of everything we do at Southern Liquid Systems. No matter the size or location of a project, we strive to exceed our clients’ expectations at each opportunity.

Since our establishment, Southern Liquid Systems have been installing cold applied liquid waterproofing applications for clients in London. Delivering the highest quality products and services to our clients has been at the core of our values from the very start and remains the priority of all our operations.

We know that the expectations of our clients in terms of quality, service and environmental friendliness grow with each passing year. That’s why we continually invest into the research and development of our liquid roofing systems to ensure we meet your every requirement. When choosing Southern Liquid Systems, you have the peace of mind you are investing in one of London’s leading liquid waterproofing companies.


  • Liquid Waterproofing for Flat Roofs
  • Liquid Waterproofing Membranes
  • Liquid Plastic Roofing
  • Liquid Rubber Roofing
  • Liquid Fibreglass Roofing

Why Choose a Liquid Roofing System?

Liquid roofing has many advantages. It’s main features and benefits are it is Waterproof, Cost-Effective, Perfect for Complex Detailing and can be Cold Applied. Liquid roofing can be applied in a variety of different applications of all shapes and sizes. This include flat roofs, pitched and dome shaped roofs. Upon application dependent on the temperature the roof with a liquid coating becomes waterproof within 2 hours and in many cases immediately.

Benefits of Choosing a Liquid Roofing System

Cold Applied: No Heat or Flame. This eliminates both the inconvenience and hazards which present themselves with hot works. Another benefit is buildings can be occupied and operational throughout the installation of a liquid roofing system.

Usable at Low Temperatures: Liquid Roofing can be applied all year round if the temperature is above 0℃.

Perfect for Complex Detailing: Liquid Roofing Systems can fill every tiny detail of a roof which it is applied to. This ability sets it apart from other membranes.

Easy Maintenance: Liquid Roofing Systems can be easily maintained and boast excellent through life costs. AS it is a liquid system repair work can be carried out without any disruption to the inhabitants of the building being repaired. Obviously, this is a huge bonus in commercial properties as no downtime will have to be endured.

Water Repellent on Application: Some of the Liquid Roofing Solutions we provide become weatherproof immediately upon application. Others take up to 2 hours. These times can vary in extreme temperatures.

Vapour Permeable: Liquid Roofing’s vapour permeability allows moisture vapour within the building it covers to escape. This makes a Liquid Roofing System a great solution for building which have suffered historic water ingress.

Excellent Elasticity and Tensile Strength: Can withstand natural roof movements without splitting or shearing.

Cost Effective Wet on Wet System: Liquid membranes are a durable waterproofing option. Their lifetime can last between 5 and 30 years, depending on their purpose and the environment they are applied in. proving a durable waterproofing option. This makes liquid roofing a durable waterproofing solution. Due to it being a liquid solution it also has lower maintenance and repair costs.

Liquid Roofing Applications

New build, repair or refurbishment projects

Flat roofs, balconies, terraces, walkways

Complex detailing, upstands, penetrations and terminations

Recoating failed single ply roofs

Fountains and water features

Warm roofs, cold roofs, and inverted warm roofs

Green roofs, brown roofs and living walls

Internal plant rooms and wet rooms

Heritage properties and lead replacement

Waterproofing gutters, valley gutters and drainage channels

Waterproofing asbestos or fibre cement

Waterproofing profiled metal roofs

Wind turbine posts

Our Services

Southern Liquid Systems provide a range of liquid roofing sytems. From commerical roofing projects to flat roofs, balconies, walkways and car parks. Whatever your liqud waterproofing needs are, one of our surveyors will find the perfect solution for you.













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