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SOPREMA UK’s RIBA Accredited CPD on Understanding BROOF(t4)

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SOPREMA UK has expanded its CPD offering for architects and specifiers with the launch of a new RIBA accredited seminar focused on flat roof fire performance and regulatory compliance. Now available to book through the RIBA CPD Providers Network, Understanding BROOF(t4): Flat Roof Regulatory Requirements and Verified Product Information addresses one of the most critical and closely scrutinised aspects of roof design.

Developed for professionals involved in specifying and designing flat roof systems, the CPD focuses on external fire performance requirements, system testing and the importance of verified product information when demonstrating compliance, offering practical guidance to support informed specification decisions.

RIBA Accredited Learning via the CPD Providers Network

Through its CPD RIBA Approved Providers Network, RIBA works with carefully assessed industry experts to deliver high-quality, impartial learning content. Only CPDs that meet RIBA’s strict criteria for relevance, technical accuracy and educational value achieve accreditation, giving architects confidence that the time they invest genuinely supports their professional growth.

SOPREMA UK’s Understanding BROOF(t4) CPD has been developed with these expectations in mind, addressing the practical challenges architects face when interpreting fire performance requirements and specifying compliant flat roofing systems.

Understanding BROOF(t4): Why This CPD Matters

Fire safety is one of the most heavily scrutinised aspects of building design, yet BROOF(t4) is often misunderstood. Simply put, BROOF(t4) is the highest classification within the UK and European system for assessing external fire performance of roofs. It demonstrates that a roof system has been tested and proven to resist fire spread from external sources. However, as many architects know, the reality is more complex.

SOPREMA’s CPD breaks this topic down into clear, practical terms by:

  • Explaining how external fire performance is classified
  • Clarifying commonly misunderstood terminology
  • Outlining how tested roof system performance should be interpreted when designing or specifying flat roofs
  • Highlighting typical areas of confusion and risk, supporting designers in making informed, evidence based decisions
  • Using clear, factual language, aligned with current expectations for accurate and responsible construction product information

By looking at regulation in relation to real-world roof design, the course gives architects the confidence to specify systems correctly the first time.

In an increasingly regulated environment, trust in product information is essential. That’s why SOPREMA’s CPD also looks closely at the Code for Construction Product Information (CCPI). The CCPI plays a vital role in raising standards across the industry by ensuring product claims are clear, accurate, up to date and unambiguous.

For SOPREMA UK, CCPI is central to how we communicate performance, testing and system suitability.

Learning Backed by Technical Expertise

With over 100 years of global experience in waterproofing, insulation and roofing systems, SOPREMA combines manufacturing expertise with deep technical understanding.

Whether you are just starting out in your career or are an experienced specifier, SOPREMA’s Understanding BROOF(t4) CPD offers valuable insights into both regulations and practical application.

If you’d like to book this CPD, or learn more about SOPREMA UK’s RIBA accredited learning programmes, visit: Soprema UK CPD Materials | RIBA CPD

Excellence in Student Accommodation: The Spireworks Project

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A Modern Approach to Construction

Student accommodation has evolved significantly over the past decade, with a strong emphasis on durable materials, sustainability, and occupant well-being. The Spireworks, a contemporary student accommodation development located at 163 Cowley Road in Oxford, reflects this evolution, showcasing effective construction techniques and reliable materials.

Completed by main contractor RG Group for student accommodation provider Aparto, The Spireworks is a £21 million development that integrates seamlessly into Oxford’s vibrant and eclectic surroundings.

Designed by ICA Architects, the scheme delivers 137 student bedrooms alongside a range of communal spaces, including a gym, games room, study areas, and an outdoor courtyard. Retail and service facilities within the development also enhance the local community’s amenities.

Reliable Building Envelope Solutions

A crucial element of The Spireworks project was the roofing and waterproofing system, which needed to deliver durability, energy efficiency, and long-term performance. Specialist contractor Roofworx (UK) Ltd was appointed to manage this complex installation, ensuring the specified solutions met the required standards.

Matthew Coupe, Managing Director at Roofworx (UK) Ltd, explained: “The roofing and cladding package was particularly challenging, with multiple interfaces and a phased construction programme. Early involvement in the design stages was key, enabling us to collaborate closely with ICA Architects and specify products that would ensure longevity and performance.”

SOPREMA’s solutions were specified for the roofing works, delivering a full building envelope system that offered both waterproofing integrity and thermal efficiency. The project incorporated a total of 1,200m² of SOPREMA’s products:

  • 720m² of DUOFLEX hot melt system with 200mm SOPRAXPS insulation and 56mm cement board upstands for the main roof.
  • 450m² of SOPRATORCH bituminous membrane multi-layer system, combined with SOPRATHERM PIR tapered insulation on various levels.
  • 50m² of FLAGON single ply membrane for all canopies and lift-over runs, incorporating edge trims and drips.

 Overcoming Challenges for a Seamless Installation

Every construction project presents unique challenges, and The Spireworks was no exception. With a phased build programme and an initial two-month delay due to external factors, meticulous planning was essential to keep the project on schedule.

“The project required strategic sequencing as the building was constructed in two halves,” said Matthew Coupe. “Additionally, persistent wet weather during winter months posed further delays. To counter this, we specified SOPRADVANCE concrete compound, a SOPREMA solution that enabled application to the concrete deck after just seven days instead of the standard 28-day curing period. This allowed us to accelerate the programme without compromising quality.”

Logistics also played a critical role, as the project’s central location within Oxford’s narrow streets meant material deliveries had to be precisely timed. Roofworx worked closely with SOPREMA to coordinate deliveries, ensuring smooth progress and avoiding disruption.

Quality assurance was another key consideration. SOPREMA’s in-house field technicians conducted thorough on-site inspections at every stage of the installation, ensuring all waterproofing elements met required performance standards. Furthermore, all operatives received full SOPREMA system training, ensuring a consistent standard of workmanship.

A Lasting Legacy for Oxford’s Student Community

Despite initial setbacks, The Spireworks project was successfully completed on time and within budget, delivering a modern, comfortable, and durable living space for Oxford’s student population. The collaboration between Roofworx, ICA Architects, RG Group, and SOPREMA played a pivotal role in overcoming challenges and ensuring the necessary standards were achieved.

The success of the project underscores the importance of early-stage collaboration, the right product specification, and technical expertise in delivering durable, future-proof buildings.

Today, The Spireworks provides students with a safe and well-constructed living environment for years to come.

To find out how SOPREMA can help support your next project visit www.soprema.co.uk  or email technical@soprema.co.uk.

Case study – Unicorn Packing Centre, a much needed roof refurbishment project.

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Unicorn Packing Centre (UPC), Stockport

ROOFING CONTRACTOR: Holloway Cook

Sq. M: 3,200 sq. m.

SECTOR:  Commercial

PRODUCTS: Soprema Elastocol 600 Bitumen Primer. Sopravap Stick ALU S16, Sopratherm G, Soprema Soprastick Venti FF, Sopralene Flam 250 AF

Soprema ensures the safe delivery of a much-needed roof refurbishment at a busy and prestigious packing centre in Manchester.

In the dynamic refurbishment landscape, the Unicorn Packing Centre (UPC) in Stockport, Manchester, stands as a testament to innovation, quality and transformative power of Soprema’s advanced roofing solutions.

Photo credit: Holloway Cook

Leading contracting firm, Holloway Cook, approached Soprema to design and deliver a solution which would restore and modernise this 50-year-old building, to ensure it was functional for the busy and essential contract packing facility, based in the North West.

Product Specification

The scope of works undertaken by Halloway Cook encompassed the meticulous removal of existing roof coverings, and the installation of a new roof structure.

Photo credit: Holloway Cook

The existing bitumen roof was experiencing leaks, and the fire performance rating was causing concern for the client. Central to the refurbishment was the specification and installation of Soprema’s cutting-edge and BBA-certified bituminous waterproofing membrane, renowned for its high quality, excellent resistance and superior service life.

Scope of Works

Once the existing roof system had been removed, Halloway Cook first installed Soprema’s Elastocol 600 bitumen primer to the existing structural metal deck, before Sopravap Stick S16 self-adhesive modified bitumen membrane was laid as a vapour control layer (VCL). Contractors then installed Sopratherm G Glass Tissue warm deck roof installation, prior to the Soprelene Flam 250 AF polyester-reinforced cap sheet as the top layer.

Speaking of why Soprema were specified, Dave Raw, Business Development Manager at Holloway Cook, said: “We have used Soprema products in the past and we know the exceptional quality and ease of installation of the waterproofing systems. Soprema’s products are always readily available, which means timely execution of projects.”

Photo credit: Holloway Cook

The UPC site was still occupied during refurbishment works, so downtime had to be kept to a minimum. Thanks to the ease and speed of application of Soprema’s bituminous system, the project completed within the six-month timeframe and on budget, demonstrating efficient project management and adherence to the established timeline.

Dave Raw added: “Providing that extra peace of mind for us and the end client, Soprema’s robust warranty and 25-year guarantee gave assurance for the longevity and performance of the roofing system.”

Project Challenges

As with any ambitious project, challenges inevitably surfaced. The UPC is an operational industrial site, and the team had to ensure the building remained watertight throughout the winter months; a task made all the more challenging due to the busy access routes frequently used by heavy goods vehicles (HGVs). Navigating the intricacies of a landlocked site and providing safe access to the roof presented additional hurdles. Moreover, striking a balance between the needs of factory engineers and operational efficiency required adept management.

Thanks to transparent communication and collaboration between Soprema and Holloway Cook, their experienced and knowledgeable teams were able to tackle these challenges head-on.

Continued Dave: “Soprema made these tasks easy to overcome, thanks to their insightful and supportive technical team, who were on-hand at any time, including for site visits. All operatives were trained in the Soprema waterproofing system and knew how to safely execute the project whilst maintaining installation to a high standard.”

Thanks to correct product specification, industry experience and technical expertise, the UPC roof refurbishment was delivered successfully.

SOPREMA DuoFlex Systems Achieve UK BBA Accreditation

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3rd June 2024 – United Kingdom – SOPREMA, a global leader in waterproofing, roofing, thermal and acoustic insulation solutions, proudly announces that its innovative DuoFlex hot melt single pour system has received UK BBA (British Board of Agrément) accreditation. This esteemed accreditation endorses DuoFlex for a variety of applications including weatherproofing inverted roofs, zero fall roofs, roof gardens, blue roof specifications in combination with stormwater attenuation systems, and protected roofs with limited access in flat roof specifications.

The Ultimate Comprehensive Roofing Solution

DuoFlex products and structural waterproofing systems are designed to meet the dynamic needs of modern construction. They deliver unparalleled performance with key features that set the standard in the industry. With an unrestricted fire resistance classification, DuoFlex ensures maximum safety, using configurations such as loose-laid gravel, sand/cement screed, and cast stone slabs. The system’s hot liquid application guarantees optimal adhesion, creating a fully integrated, robust bond with the roof structure. Its monolithic, self-healing properties provide a seamless, durable waterproof barrier that can repair small penetrations autonomously. Additionally, DuoFlex supports fast-track and phased installations, making it perfect for projects with tight schedules. Backed by substantial warranties – 30 years for the single pour system and an impressive 40 years for the double pour system making it the ultimate solution for your comprehensive roofing needs.

Industry Recognition

“Achieving BBA approval is a significant milestone that underscores the quality, performance and long service life of the DuoFlex systems.” Says Mike Vaczi, Technical Director for SOPREMA UK. “The rigorous testing and evaluation by the BBA confirm that DuoFlex meets the highest standards in waterproofing and durability, supporting sustainable, modern building practices, and contributing to the creation of structures that will last a lifetime”, Mike continues. “Combine this with SOPREMA’s extensive technical expertise from site inspection, project calculations and specifications, core sampling, condition reporting and design consultation, and you can trust in our dedicated team of technical experts to support you with your project from start to finish.”

Conclusion

The UK BBA accreditation of SOPREMA’s DuoFlex hot melt single and double pour systems highlights their exceptional quality and performance. With comprehensive system solutions, superior fire resistance, extended warranties, and self-healing capabilities, DuoFlex is an outstanding choice for modern construction projects. It’s versatility and sustainability credentials make it a leadingproduct in the market.

For more information on SOPREMA DuoFlex systems and to explore how they can benefit your next project, please visit soprema.co.uk, or contact our technical support team via techsupport@soprema.co.uk

Enhancing Comfort through Quiet Spaces with Soprema’s Acoustic Range

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In the dynamic and bustling world we live in, it is becoming increasingly more important to create quiet and comfortable spaces. Global leader in waterproofing and insulation solutions, SOPREMA, steps into the spotlight with its impressive acoustic range, aiming to revolutionise the way we experience our surroundings.

Soprema provides an extensive selection of acoustic insulation and soundproofing solutions suitable for ceilings, walls, floors and even pipes. Our commitment to quality and service ensures that your building is soundproofed in compliance with regulatory standards, providing you with peace of mind. Soprema’s Tecsound range now includes PURE-KUSTIK and FIBRO-KUSTIK Barcelona seamlessly merging functionality and aesthetics.

PURE-KUSTIK panels redefine acoustic excellence, boasting impressive absorption properties of up to class A (αw 0.90). Crafted from polyester fibres, with 60% recycled material content, PURE-KUSTIK is a sustainable choice, free from toxic substances and chemical binders. Available in a variety of colours or custom prints, PURE-KUSTIK boards can be installed either through mechanical fixing, glue application or for an even faster installation, a self-adhesive option is also offered. Read more about this incredible product here.

Meanwhile, FIBRO-KUSTIK Barcelona sets a new standard in both performance and durability. With acoustic absorption reaching class A (αw 0.95), these boards are built to withstand the rigors of residential and non-residential applications. Available in an array of sizes, colours, and varieties such as SOLO, DUO, and TRIO, they offer flexibility and style without compromising efficiency. Find more information on FIBROKUSTIK here.

 

 

Our commitment to excellence goes beyond product innovation. We also offer comprehensive technical support and are on hand to guide you through the process from specification to supply. Our online reverberation calculator, RT 60, ensures precise calculation and design tailored to your project’s unique requirements.

These solutions are making waves in projects across the UK, gaining traction in the market and building interest. For further details, reach out to our technical experts at  technical@soprema.co.uk or visit our website.

 

Soprema’s Sopratorch Range Takes Roofing to New Heights

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In the ever-evolving world of construction and roofing materials, Soprema’s Sopratorch range continues to stand out as a beacon of quality and safety. This versatile range is expertly designed for applications in houses, extensions, flats, garages, carports and balconies setting a new standard for safety and performance.

Though not new to the market, it has proven itself to be a reliable and durable product in the realm of waterproofing solutions. The Sopratorch range offers a comprehensive selection of roofing materials, catering to various architectural styles and project requirements. Its durability and weather resistance makes it an attractive option for both new construction projects and roof replacements.

The range features SL490, SL500 and SL600 and offers more than just longevity. With up to 25-year life expectancy, these products provide a durable and dependable solution for a variety of flat roofing needs. Soprema reinforces their confidence in the range by providing a standard 10–20-year warranty, ensuring peace of mind for customers.

As the construction industry continues to evolve, Soprema’s Sopratorch range remains at the forefront, seamlessly blending decades of expertise with cutting-edge technology. Choosing Sopratorch ensures a roofing solution that goes beyond expectations, offering a secure investment in safety and longevity.

For more information on the Sopratorch range, visit SBS CAP SHEETS – Soprema United Kingdom or email the team today at technical@soprema.co.uk

Project Focus: The Spireworks, Oxford

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Our industry knowledge, experience and product diversity provided a full building envelope solution for a new, cutting-edge student accommodation development.

 

 

 

 

 

 

 

What was the project?

The Spireworks in Oxford is a new £21 million student accommodation building with 137 bedrooms and various amenities. The roofing and cladding section was undertaken by contractors, Roofworx (UK) Ltd, using a range of high-quality products from Soprema. Despite initial delays and COVID-19 restrictions, the project finished on time and within budget thanks to the expertise of Roofworx and the support and guidance from Soprema. The building now provides comfortable and safe accommodation for students in the heart of Oxford, and will do so for many years to come.

 

 

 

 

 

 

Soprema Products

Overall, a total of 1,200m2 of Soprema product was specified and installed for the project. This included:

  • 450m2 of Soprema’s SOPRATORCH bituminous membrane multi-layer system
  • SOPRATHERM tapered scheme to levels one, two and four of the building
  • 720m2 of Soprema’s DUOFLEX hot melt system for the main roof area
  • 200mm SOPRA XPS insulation and 56mm cement board upstands
  • 50m2 of Soprema’s FLAGON single ply solution to all canopies and lift-over runs with edge trims and drips

 

 

 

 

 

 

The Result?

Matthew Coupe, Managing Director at Roofworx (UK) Ltd, said: “The roofing and cladding element of this project was very complicated with numerous difficult interfaces. We utilised a range of high-quality products from Soprema as we knew the leading manufacturer would deliver not only in terms of product reliability, but would be backed by a strong and knowledgeable in-house technical team, as well as system warranties.

“We were very well supported by Soprema, who has its own in-house QA procedure to ensure all aspects of the waterproofing were well documented. Every stage of the build-up was captured, and the workmanship scrutinised by the field technicians so we could achieve an uncompromised finish.”

For more information about the Soprema products specified for this project, get in touch with our technical experts at techsupport@soprema.co.uk

Soundproofing solutions for the complete building envelope from Soprema

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As per section E of The Building Regulations, in new builds and residential buildings, the upper floors, external walls, masonry dividing walls, and internal stud walls must be properly soundproofed, with the airborne sound resistance being at a minimum level of 40dB and impact sounds levels at a maximum of 62dB (With an exception for any wall that has a door in it and the walls that surround en-suite bathrooms).

Soundproofing buildings is not only a regulatory requirement, it’s also an important factor in ensuring that the building’s occupants can enjoy a peaceful and tranquil environment, whether in residential buildings, schools, hospitals, offices, or other types of buildings.

Soprema offers a wide range of acoustic insulation and soundproofing solutions, specially designed for ceilings, walls, floors, and even pipes, ensuring complete peace of mind that the building has been soundproofed to the regulatory standards:

TECSOUND – high-density, synthetic soundproofing membrane designed for increasing airborne noise insulation with low surface mass, soundproofing against airborne noise in ceilings and lightweight roofs and reduction of impact noise in laminated floors. In the industrial field TECSOUND membrane can be used in applications ranging from soundproofing of cabins to acoustic insulation of machine-rooms, cowling of engines, gutter pipes and sound-damping of metal sheets amongst others.

TECSOUND SY – self-adhesive version of TECSOUND membrane

TECSOUND FT – soundproofing composite including a porous felt and the TECSOUND synthetic membrane to be used in different construction elements both horizontal and vertical

TECSOUND 2FT – soundproofing composite including TECSOUND synthetic membrane placed between two porous felts to be used in different construction elements both horizontal and vertical

TECSOUND FT55AL – Soundproofing composite made of TECSOUND synthetic membrane, finished with porous felt and aluminium foil designed for sound-insulating pipes

TECSOUND TUBE S – acoustic insulation for water, rain and drainpipes in buildings

TECSOUND S BAND – synthetic tape made of TECSOUND membrane, with a built-in self-adhesive layer enabling it to be applied straight onto metals structures subject to vibrations

VELAPHONE FIBRE 22 – thin under floor impact noise soundproofing material

In addition to our soundproofing range, Soprema UK have introduced two sound absorption product ranges. The products are designed to reduce internal excessive noise levels, allowing us to design an acoustic ambience which is fit for purpose based on specific acoustic guidelines.

Our sound absorption offering consists of two products:

PURE-KUSTIK – sound absorption boards consisting of polyester fibre with a high recycled material content (> 60 %).

FIBRO-KUSTIK – Wood wool sound absorption boards used on walls and ceilings, especially in areas where robustness and long-term product endurance is required.

These ranges feature various visual design characteristics and have proven very popular in markets including the Far East, throughout Europe as well as the Middle East.

If you would like to learn more about each product, please visit our Acoustic Insulation and Soundproofing page.

You can also contact us directly to speak with our dedicated acoustics and soundproofing technical experts about our solutions and how they can be applied in your projects:

W: www.soprema.co.uk
E: techsupport@soprema.co.uk
T: 0330 058 0668

How to avoid unintended consequences of specifying the wrong internal wall insulation (IWI)

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There are around 28 million homes in the UK which are deemed to be some of the oldest housing constructions in Europe, according to the Alliance for Sustainable Building Products (ASBP). Data from the non-profit organisation also suggests 32 per cent of buildings in the UK were constructed before 1919, meaning they are predominantly solid wall structures.

In Wales, for example, at least 50 per cent of homes have no wall insulation at all – something which needs to change. But there are key considerations to factor in when specifying material to insulate solid walls internally, to protect the health and wellbeing of occupants.

IWI – the Benefits

The basics of IWI are of course, it provides improved energy efficiency of buildings and it is often the default choice due to its simplicity. IWI is particularly effective in solid wall construction, where external wall insulation (EWI) is not an option due to factors such as the building being listed or where planning restrictions prohibit its use.

Yet, there can be the unintended consequences if the wrong type of IWI material is specified and installed.  For this reason, wood fibre is an ideal choice for IWI as it is breathable and allows moisture to flow through, reducing the risk of mould and moisture-related problems. This is especially important in social housing where old, solid wall homes are common. We may have all recently seen the shocking news about a two-year old boy who tragically died after being exposed from birth to a high level of mould and moisture within his badly insulated social home.

This, of course, is an extreme case, and can be argued was also a case of negligence. But it is also one that we should all be mindful of during the refurbishment of homes, especially social housing, as well as the design of new build homes.

Breathable Wall Insulation

During refurbishment and new build, it is important to consider the amount of insulation used in IWI as too much can lead to unintended consequences such as mould on window reveals or excess humidity.

A balance must be struck between energy efficiency and moisture management. In general, a minimum of 40mm of insulation is recommended for solid walls, which can provide a 70 per cent reduction in heat loss while minimising the risk of moisture-related issues.

Breathable internal wall insulation, such as wood fibre insulation, is a preferred option over other materials like plastic or foam insulation, such as XPS or PIR. This is because it allows for the safe passage of moisture through the walls, preventing the accumulation of harmful water which can lead to high humidity levels and damage to the building structure. Breathable insulation also helps regulate humidity levels within a building, promoting healthy indoor air quality and reducing the risk of respiratory and other health issues associated with too high or too low humidity levels. Overall, breathable internal wall insulation is a more effective choice for maintaining a healthy and moisture-free environment within a building.

Savvy Specification

Soprema UK offers a natural wood fibre insulation solution for internal walls: PAVATEX. The sustainable wood fibre boards are made from waste wood that is collected from various sawmills, heated and then pressurised.

PAVATEX has excellent heat storage capacity, keeping rooms cool in summer, as well as excellent acoustic and thermal insulation properties.

Just like all of our wood fibre insulation products, PAVATEX is characterised by superior breathability, allowing moisture to move within a wall or roofing system, and regulating it at safe levels to prevent it from entering the building fabric.

PAVATEX consists of both new build and retrofit systems for walls, floors and roofs. Its advantages are crucial for the environment, building owners and contractors alike.

Sopralene Optima – The new extreme performance capsheet from SOPREMA!

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1397226069The highlight of SOPREMA’s defined range of high performance waterproofing is the introduction of SOPRALENE OPTIMA, this membrane.
Sopralene Optima stands out from other SBS modified bitumen membranes because of its bespoke bitumen blend, optimum adhesion and resistance to extreme temperatures down to -30 ° C. This gives the product excellent ageing characteristics and the coloured ceramic granules give the membrane a particularly striking aesthetic appearance.
Overall, Sopralene Optima is a unique and versatile product that is easy to install in both summer and winter.
Elastic and flexible down to -30 ° C
Longevity recognised for over 40 years
Optimum adhesion & easy installation
Exceptional dimensional stability
Superior cold-bend performance
Attractive Finish

Email info@soprema.co.uk to request a copy of SOPREMA’s new Official Waterproofing Guide, including specification information for SOPRALENE OPTIMA.