Contractors Refurbish Smarter with Gemello® Revive

Looking for an overcladding or refurbishment system? Gemello® Revive provides a practical, warrantied solution for refurbishment projects all whilst minimising disruption. 

This page brings together everything you need to get started. From clear installation guidance and proven build-ups to carefully selected materials and a complete overview of how the system works. Whether you're assessing options at an early stage or preparing for delivery, Gemello® Revive supports a more efficient, streamlined approach to refurbishment, helping you achieve consistent quality with confidence.

Gemello® Revive - Roof Installation Guidance:

The Gemello® Revive Roof Installation Guide is designed to provide a clear, step-by-step pathway for successfully setting up and restoring the Gemello® Revive system.

Whether you’re a first-time user or revisiting the process, this guide brings together essential instructions, practical tips, and troubleshooting advice to ensure a smooth installation experience.

By following the outlined procedures, users can confidently configure the system, optimize performance, and get up and running with minimal complications.

Fill in the form below to access the installation guidance. 

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    The Gemello® Revive warranted system is a high-performance overclad roof solution designed to refurbish existing Composite Panel, Single Skin, Fibre Cement  and Twin-Skin buildings.

    It offers seamless integration with both secondary steelwork and timber structures, making it ideal for a wide range of sectors such as industrial, retail, office, healthcare, education, and leisure. This system not only enhances the aesthetics of your building but also improves its thermal efficiency, providing an ideal solution for both refurbishment and new developments. 

    Gemello® Revive features an extensive selection of roof and wall profiles, finishes, and colours, allowing you to achieve a modern and clean appearance that meets your building's unique design requirements. The system includes a thermal cavity filled with non-combustible glass mineral or rock fibre insulation, achieving thermal U-values as low as 0.11W/m²K, significantly boosting energy efficiency. 

    Beyond its visual appeal and thermal benefits, Gemello® Revive prioritises safety and sustainability. With its combination of aesthetic flexibility, enhanced energy efficiency, and safety features, Gemello® Revive is the ideal choice for long-term building upgrades and refurbishment. 

    Features and Benefits:

    • Enhanced thermal performance 
    • For use on refurb or refurbishment projects
    • Improved acoustic performance 
    • Reduced operating costs through better insulation
    • Increased building service life
    • Building re-use rather than replacement
    • Cleaner, modern lines to elevations and roof
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    Where can Gemello® Revive be used?

    This design flexibility of the Gemello® Revive system makes it suitable for use on projects across many market sectors including industrial, retail, office, health, education and leisure. The Gemello® Revive system is suitable for over-cladding both existing composite panel and twin skin buildings, fixing into both secondary steelwork and timer support structures. Gemello® Revive systems provide both aesthetic and thermal improvement to your building.
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    Over Twin Skin:

    Gemello® Revive is available over existing twin skin built up systems.

    Over Composite:

    Gemello® Revive available over existing insulated composite panels.

    Over Fibre Cement:

    Gemello® Revive is available over existing fibre cement profiles.

     Over Single Skin:

    Gemello® Revive is available over existing single skin box profile sheets.
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    Material Types: Roof and Wall Profiles

    The Gemello® Revive profile range offers versatile and high-performance solutions for both roof and wall applications. It includes trapezoidal roof and wall profiles, as well as a sinusoidal wall profile. Designed to meet industry standards, these profiles provide both functionality and safety, ensuring long-lasting durability and energy efficiency. 

    Additionally, the roof profiles are designed with an insulation system that delivers improved thermal performance. With a U-value as low as 0.14 W/m²K, the system helps maintain a comfortable indoor climate and reduce energy consumption. For even lower U-values, our technical team can assist with custom specifications.

    *Wall and roof profile images show some of the profiles available and is subject to change at any time by SIG Building Solutions Ltd. For further details of profiles available for specific applications or if you require technical assistance don’t hesitate to contact the technical department at [email protected]

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    Wall Profiles:

    Gemello® Revive offers an efficient and durable range of wall profiles. The corrugated wall profile, along with the trapezoidal options, is designed for easy installation and long-lasting performance.  

    Typical over-clad wall build-up:

    • 0.5mm or 0.7mm outer sheet 
    • Non-combustible insulation quilt 
    • Bar and bracket spacer system 
    • Non-continuous top-hat fixed to existing structure (excluding when installed over existing single skin). 

    Roof Profiles:

    The roof profiles within the Gemello® Revive range are classified as non-fragile according to the materials standard outlined in the advisory committee for Roof Safety 'Red Book' ACR[M]001:2019 6th edition.  

    Typical over-clad roof build-up >4°:

    • 0.7mm steel external sheet.
    • Bar and Bracket system (different systems are available).
    • Non-combustible insulation.
    • Non-continuous top-hat fixed to existing structure (excluding single skin roof where no top-hat is required).
    • Sealed vcl and air barrier.

     

    Gemello® Revive FAQs:

    1What is Gemello® Revive?
    Gemello® Revive is an overcladding system designed for contractors upgrading existing buildings. It improves fire and thermal performance without full façade replacement, making it ideal for refurbishment projects.
    2What types of projects is Gemello® Revive suitable for?
    Gemello® Revive is suitable for industrial, commercial and mixed-use refurbishment projects where existing façades need upgrading without major disruption or strip-back.
    3Can Gemello® Revive be installed on live or occupied buildings?
    Yes. Gemello® Revive is designed to support refurbishment on live and occupied buildings, helping contractors minimise disruption, manage access challenges and protect programme certainty.
    4What overcladding build-ups are available with Gemello® Revive?
    Gemello® Revive offers over twin skin, over single skin, fibre cement and composite overcladding build-ups, providing flexibility for different existing building types and refurbishment requirements.
    5What is meant by “over twin skin” overcladding?
    Over twin skin overcladding involves installing the new system over an existing twin-skin façade, improving performance without removing the original building envelope.
    6What is meant by “over single skin” overcladding?
    Over single skin overcladding upgrades lightweight or single-skin buildings by adding insulation, and weather protection without full replacement.
    7Why is fibre cement overcladding a key USP for Gemello® Revive?
    Fibre cement offers durability, fire performance and robustness, making it well suited to refurbishment projects. Gemello® Revive includes various fibre cement solutions.
    8What are the benefits of composite overcladding in refurbishment projects?
    Composite overcladding offers a clean appearance, predictable installation and consistent performance, making it suitable for many commercial and industrial refurbishments.
    9How does Gemello® Revive address moisture control and condensation risk?
    Gemello® Revive integrates Vapour Control Layer (VCL) design at system level, helping manage moisture movement and reduce the risk of condensation issues when upgrading existing buildings.
    10Does Gemello® Revive help with Part L compliance?
    Yes. Gemello® Revive supports thermal upgrades that help contractors meet current energy performance requirements as part of refurbishment projects.
    11How does overcladding help reduce disruption compared to full façade replacement?
    Overcladding avoids major strip-back works, reducing noise, dust, waste and downtime, which is particularly important on live or occupied sites.
    12Is Gemello® Revive supplied as a complete system?
    Yes. Gemello® Revive is supplied as a coordinated overcladding system rather than a collection of individual components.
    13Is there a system warranty available with Gemello® Revive?
    Yes. Gemello® Revive is backed by a SIG-supported system warranty, providing reassurance and reducing risk for contractors and clients.
    14What are the benefits of a single-source warranty for contractors?
    A single-source warranty simplifies responsibility, reduces interface risk and helps avoid disputes related to performance or accountability after project completion.
    15Does Gemello® Revive reduce interface risk on refurbishment projects?
    Yes. By supplying a complete system from a single source, Gemello® Revive reduces the number of interfaces that contractors need to manage on site.
    16What level of technical support is available?
    Gemello® Revive is supported from through to installation, with technical guidance to help contractors select the right build-up and plan works effectively.
    17How long will it take for SIG Building Solutions to supply the solar carport structure?
    Once we have received all survey results, the layout design is agreed and we have received a PO from our client, the lead time for delivery of the solar structure is between 6-8 weeks. This includes 3 weeks for construction drawings that will need to be signed off by our client.
    18Can Gemello® Revive support early-stage surveys and feasibility assessments?
    Yes. Technical support is available at early stages to help assess existing buildings and determine the most appropriate overcladding approach.
    19Is Gemello® Revive suitable for buildings with unknown or complex existing façades?
    Yes. Gemello® Revive is designed to work around existing structures, making it suitable for refurbishment projects where original construction details may be unclear.
    20Can Gemello® Revive help reduce programme risk?
    Yes. By minimising strip-back and simplifying installation sequencing, Gemello® Revive helps contractors maintain programme certainty on refurbishment projects.
    21Is Gemello® Revive suitable for phased refurbishment works?
    Yes. Overcladding systems can be installed in phases, making Gemello® Revive suitable for projects where works need to be sequenced around occupancy.
    22Who backs Gemello® Revive?
    Gemello® Revive is developed and supported by SIG Building Solutions, providing confidence through established technical expertise and system backing.
    23What steel does SIG use?
    Our standard structures use Z600 Galvanised Steel for the posts and canopy. Our bespoke single post design uses Hot Rolled galvanized steel posts with cold rolled canopy to suit the specific project.
    24How do contractors get started with Gemello® Revive?
    Contractors can contact the Gemello® Revive team to discuss project requirements, review suitable build-ups and access technical support.

    Book a call with a member of the Gemello® team today to understand how we can support you on your next project. One of our team members will be in touch to learn more about your business and walk you through how Gemello works.

    Get to know the people you’ll be speaking with — our team is here to support you every step of the way.

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