The Polyroof range of waterproofing systems is ideally suited for the refurbishment of existing roofs. No matter the size, condition, or complexity of the job at hand, Polyroof can tailor a solution to meet any refurbishment requirements. With guarantees of up to 25 years and BBA durability ratings of up to 30 years our systems are a cost-effective, disruption-free long term solution for all leaking roofs.

Long-Term Refurbishment Solutions with Minimum Disruption

Polyroof’s range of cold liquid applied systems cover the full spectrum of flat roof, balcony, pitched roof and gutter refurbishments. Below is a summary of each system – if you’re unsure of the most appropriate system for your project you can use the Solution Finder tool on the next tab and receive your bespoke project pack.


  • Our most popular and versatile refurbishment system
  • Can be used to overlay existing felt, asphalt, single-ply, concrete/screed or GRP
  • Polyroof RES Insulation can be bonded onto an existing roof and coated with Protec for highly economical thermal upgrades
  • Quick curing, seamless, flexible and robust
  • BBA, FM and ETA approved
  • Carries Polyroof’s trusted Accredited System Guarantee

Protec System Info & Downloads
View a Case Study

185 System

  • Used primarily for timber roof refurbishments involving strip-and-replace works
  • Always applied to an approved plywood or OSB3 deck
  • Provides an ultra-tough and hardwearing membrane ideal for balconies
  • Carries Polyroof’s trusted Accredited System Guarantee
  • BBA approved

185 System Info & Downloads
View a Case Study

Elastex SoLo System

  • Ideal for coating metal substrates
  • Mainly used to overlay industrial gutters and sheeted roofs but also for metal and single-ply flat roofs
  • Highly flexible, moisture-curing system
  • Carries Polyroof’s trusted Accredited System Guarantee
  • BBA approved

Elastex System Info & Downloads
View a Case Study

Roofcoat Plus System

  • Used for overlaying low pitched sheeted roofs
  • Can be applied to Plastisol-coated metal, asbestos and fibre cement sheets
  • Highly cost-effective solution
  • Carries Polyroof’s trusted Manufacturer’s Guarantee

Roofcoat Plus System Info & Downloads
View a Case Study

Free, No-Obligation Survey to Ensure All Your Roofing Needs are Met

We can arrange for a survey of the roof survey to ensure that the best solution for the challenges and demands of your refurbishment project are provided. If you would like to arrange a free, no obligation survey of your roof, balcony or gutter refurbishment project then please complete the quick form to the right or call our Technical Team on freephone 0800 801 890.

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    Aston Martin Lagonda Ltd – Gaydon HQ Roof Refurbishment

    When their existing roof began to show signs of leaks the client elected to use Polyroof’s advanced liquid roofing systems as the optimum solution for the job. As a company passionate about UK manufacturing, Aston Martin’s choice to work with Polyroof – the only independent UK manufacturer of cold-applied liquid systems – was a natural one…. [Read More]


    Liberty Point Accommodation, Southampton

    Liberty Point is a large student accommodation building positioned in a prime location in Southampton close to the marina and city centre. Recently the old asphalt and felt coverings had begun to display defects including splits, blisters and delamination; through which water ingress was occurring…
    [Read More]


    Trinity Buoy Wharf, London Docklands

    Container City is an outstanding example of upcycling architecture in the London Docklands. The buildings are constructed from old shipping containers that have been refurbished and then fixed and welded together, creating an innovative modular building solution that houses a offices. The roofs had been waterproofed with an EPDM membrane as part of an inverted roof design, however due to failings within the roof coverings leaks were now occurring…
    [Read More]


    Large Shopping Centre, Newcastle

    The Protec system has waterproofed vast areas of the roof of one of the largest shopping centres in the UK, which were in need of refurbishment as they had been persistently leaking for some time. A quick and effective waterproofing solution was needed that would allow the day-to-day running of the shopping centre to continue without any disruption for the customers, which could prove extremely costly…
    [Read More]


    Aged Galvanised Steel Gutter Refurbishment

    This large industrial building in Blackburn had been suffering from persistent leaks that were emanating from the failing valley gutter. The galvanised steel gutter was heavily rusted and was in danger of becoming structurally unsound if left unchecked. Not wanting to undertake costly removal and replacement works, the client turned to Polyroof for an overlay solution…
    [Read More]


    Twyford Water Works, Hampshire

    The historic Twyford Water Works was bestowed the status of a Scheduled Ancient Monument in 1973, which is given to only a small number of nationally important historic buildings that are judged to be important enough to have this extra legal protection. The Boiler House roof, consisting of twin pitched metal roofs with barrel ridge sections had started to deteriorate – putting the building and its precious contents at risk of damage and decay… [Read More]

    Waterproofing a Leaking Single-Ply Roof

    Protec Outline Specifications


    Elastex Outline Specifications

    Roofcoat Plus Outline Specifications

    Can’t find what you’re looking for? Click here to ask our Technical Team

    Refurbishment of a Leaking Single Ply Roof

    This video shows Polyroof’s BBA, FM and ETA certified Protec system being applied to a leaking single ply roof. The client received a totally seamless, joint-free and long-lasting waterproof solution that carried Polyroof’s trusted Accreditted System Guarantee – the best cover a roof can get.


    Let Polyroof Take Responsibility for Your Roof

    Polyroof’s reputation has been built on the high level of technical support provided to clients before, during and after every contract. We like to work closely with our clients from the very beginning of a flat roofing project right through to completion and throughout the lifespan of the roof. From our experience, this is the best way to guarantee that all aspects of the roof are finished to the superior standards that our clients expect.

    Importantly, we understand that our clients are often tasked with many responsibilities during a construction or refurbishment project. Flat roofs mean a great deal to us, but we know our clients have plenty of other aspects of a project to focus on.

    This is why we strive to take on board as many of the challenges and issues associated with the flat roof that we can, freeing up our clients’ time so they can focus their efforts where they are needed most.

    If you would like assistance with your project please complete the quick form below, call our Technical Team on 0800 801 890 or email

    • Step 1 of 2 - Your Details

    Common issues associated with flat roofs such as persistent leaks, lap joint failures, long installation times and risks from hot works are simply not an issue when using quality liquid systems. Now the fastest growing sector in the flat roofing market, liquids are increasingly being specified in place of traditional roll-applied systems like felt and single-ply.

    As a market leader in the manufacturing of liquid roofing systems, Polyroof’s free RIBA certified CPD Seminars are the ideal solution to stay in touch with the latest technology and advances in the field whilst improving your knowledge and confidence as a specifier.

    Polyroof offer a choice of two CPD seminars so you can select the option that is most relevant to you:

    • Seminar 1 – Flat Roofs: A Guide to Liquid Roofing Systems – Tailored for specifiers looking for an introduction to the liquid roofing market or those operating within the new build / development sectors.
    • Seminar 2 – Roofing Risk Management: A Considered Approach to Solving Flat Roof Issues – Highly relevant for any specifier or stakeholder involved in the refurbishment or management of flat roofs.

    Download the Polyroof CPD Brochure

    Find out more including key learning outcomes and testimonial on our dedicated CPD page.

    Book Your Free CPD Seminar