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Our Accreditations

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About Southern Liquid Systems

We are a team of specialists in liquid waterproofing systems. We offer our waterproofing services throughout London, the South of England and across the whole of the UK. Our waterproofing solutions can be used on the full building envelope. In order for your waterproofing project to run smoothly we will provide with comprehensive customer service, and on-site technical support from the beginning of your project all the way through to completion.

Delivering the highest quality liquid waterproofing solutions is at the heart of everything we do. No matter the size or location of a project, we strive to exceed our clients’ expectations and ensure we use the right waterproofing system for them.

Since our establishment, we have been installing cold applied liquid waterproofing applications for clients in London and throughout the UK.

The type of waterproofing systems we provide include liquid waterproofing for flat roofs (including flat roof coatings over an existing roof and flat roof refurbishment), steps, walkways, basements, balconies and car parks.

In order to give you a wide range of the best liquid roofing products available we heavily invest in research and development. This allows us to give you the very best installation advice and product information. When choosing us, you can have the peace of mind you are investing in one of the UK’s leading liquid waterproofing companies who have an extensive and up to date knowlege of the best liquid roofing products on the market.

If you would like any further advice about a liquid roof or any form of waterproofing please do not hesitate to contact our friedly team who will be happy to advice you on the best waterproofing or roofing system for you. You can call us today on 0207 7818153 or email us estimates@southernliquidsystems.co.uk.

LIQUID ROOFING SERVICES WE PROVIDE

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

Liquid Waterproofing Systems

Liquid waterproofing systems are applied in a wide vary of applications and system build ups. Emulsion and acrylic systems were available for coating during the 1950s and were installed as a repair and full systems by roller and brushes. As time went on the liquid roof systems improved and by the 1980s, moisture cured polyurethane came into play and greatly improved in performance. A polyurethane coating system is a layer (type of polymer) that is applied and protects base material from weathering, abrasion and corrosion. The system normally is a single or a twin pack that may have fleece or fibre glass matting and is installed ‘Wet on wet’. As this product has progressed the liquid has now become odour free, and is ideal for projects on offices, schools, hospitals and other sensitive areas.

GRP or glass reinforced plastic was first developed in the late 1930s and If extremely strong and is non-corrosive. This roof system is ideal for smaller projects (under 60m²) and can be laid directly on OSB board or can now be used as an overlay system. With the resin/ matting/ resin has been applied, a topcoat is applied, and the finish looks like a moulded plastic roof finish.

PMMA (Polymethyl Methacrylate) systems for roofing are probably the most widely applied to present date due to its rapid curing and can be applied in foot trafficked areas. It is highly flexible, hard weaning and with a track record spanning back to the 1930s this liquid roof system has stood the test of time.

Thermoplastic block Copolymers (SEBs) has been around since the 1950s, SEBS polymers are applied to profiled sheets and metal, bitumen, single-ply plastics and many other surfaces. The product can cope with extreme expansion and contraction as with the other systems, this has a reinforcement layer and adds to the strength of the product.

Liquid applied bitumen was used in the 1780s-1800s and was combined with straw or jute to provide a waterproof solution. With time the introduction of polymers (rubber based) have greatly improved the flexibility of the product. Where old bitumen roofs would be a 5-10 year system. This new liquid waterproofing system can provide a 20-year guarantee quite comfortably as it is capable of coping with thermal movements roofs endure as the seasons change, due to temperature changes from the heat of summer through to the freezing winter.

Why Choose a Liquid Waterpoofing System?

A liquid waterproofing system has many advantages. It’s main features and benefits are it is waterproof, cost-effective, perfect for complex roof or surface detailing and can be applied without heat or a flame. Liquid waterproofing 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 Waterpoofing System

Cold Applied: No Heat or Flame is needed to waterproof a roofing with this system. 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 roof.

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

Perfect for Complex Detailing: Liquid Waterproofing can fill all detailing no matter how hard to reach it is. This ability sets liquid applied roofing apart from other membranes such as rubber or felt.

Easy Maintenance: Liquid roof coatings and other surface coatings 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: The vapour permeability of liquid waterproofing allows moisture vapour within the building it covers to escape. This makes a Liquid Roofing System a great solution for building which have historically suffered from 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 be between 5 and 30 years, depending on their purpose and the environment they are applied in. 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 surface and flat roof refurbishment projects

Flat roofs, balconies, terraces, walkways

Complex roof details, upstands, penetrations and terminations

Recoating failed single ply roofs

Fountains and water features

Can be used for a Warm roof, cold roofs, and inverted roofs

Liquid roof coatings can overlay an existing roof

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

We provide a range of roofing systems in cold liquid. From commercial roofing projects to flat roof installations, flat roof coatings , basement waterproofing, balconies, walkways and car parks. Whatever your liquid waterproofing needs are, one of our surveyors will find the perfect solution for you.

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FLAT ROOFS

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BALCONIES

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WALKWAYS

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CAR PARK WATERPROOFING

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BASEMENT WATERPROOFING

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STEPS

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FLAT ROOF REPAIR

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FLAT ROOF TERRACE

Our Partners

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Frequently Asked Questions About Liquid Roofing

What is Liquid Roofing?

Liquid roofing is the process of using a liquid system to waterproof a roof. These systems are easy to apply, flame-free and ideal for roofs with complex detailing. The different types of coating can vary from a single layer component to multiple layers with reinforced fleece or matting.

What is Cold Applied Waterproofing?

Cold applied waterproofing is a waterproofing liquid which can be applied completely flame free. The absence of a hot flame is the reason this type of waterproofing is described as cold applied liquid waterproofing.

What is a Liquid Waterproofing Membrane?

A liquid waterproofing membrane (LAM) is a high quality, moisture curing elastomeric waterproof. These membranes are brush, roller or spray applied. Liquid waterproofing membranes can be applied to podiums, roofs, green roofs, car park decks, balconies, terrace areas, water storage tanks and even waterproofing steps.

How Long is a Liquid Roofing System Guaranteed For?

A quality Liquid Roofing System such as AH25 provides your flat roof with a guarantee for 25 years. Any properly installed liquid roofing system should last for at least the length of the guarantee. And the life expectancy can be much longer if the roof receives regular maintenance.

Can You Put Promenade Tiles Over Cold Applied Liquid Surface and Roof Waterproofing

Yes you can put promenade tiles over cold applied liquid surface and roof waterproofing. Roofing materials like cold applied liquid and asphalt are high quality flat roof coatings if you want to finish the roof with promenade tiles.

Does A Liquid Roof Coating Stop Leaks?

A liquid roof coating can stop leaks but it depends upon the state of the roof construction. If the roof waterproofing has failed by not caused the timber boards to rot and the insulation has not failed it is possible to repair a leak with a liquid coating. However, if the timber boards are rotten perhaps due to standing water which has penetrated the roof membrane, a full roof replacement will probably be needed.

If you would like any further advice about a liquid roof or any form of waterproofing please do not hesitate to contact our friedly team who will be happy to advice you on the best waterproofing or roofing system for you. You can call us today on 0207 7818153 or email us estimates@southernliquidsystems.co.uk.