Features of Cortizo 4900 HI Sliding Window

Thermal Efficiency

The Cortizo Sliding HI Window offers U-values as low as 1.2 W/mK, reducing energy consumption and ensuring comfortable interiors.

Acoustic Insulation

The Cortizo 4900 HI Sliding Window also provides noise reduction up to 40 dB, making it an ideal choice for noise-sensitive environments.

Weather Resistance

Achieving Class 4 air permeability, Class 7A water tightness, and Class C5 wind resistance, these windows withstand severe weather.

Customisable Options

Available in a range of finishes, including wood effect and powder coating, these windows can be customised for bespoke designs.

Versatile Design

Capable of supporting glazing up to 36mm, this window offers flexibility with options for 1, 2, 3, or 4 rail installations.

Colours

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Elegant Finishes for Every Design

SGC Glass is proud to offer Cortizo products in an array of sophisticated finishes, designed to meet diverse architectural styles and functionality needs. Clients can select from a broad palette of colour powder coatings, encompassing RAL, mottled, and rough options, which are meticulously applied according to the Qualicoat standard with a thickness exceeding 60 microns. For those desiring a more textured appearance, we also provide wood effect powder coatings and anodised finishes, with the versatility of opting for a bi-coloured scheme to complement interior or exterior designs.

Glass Options

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Premium Glass Solutions

We supply an extensive selection of Cortizo glass options, engineered to enhance both performance and aesthetics in any project. Choose from advanced double or triple glazing options that offer exceptional thermal and acoustic insulation, ensuring comfort and energy efficiency. With flexibility in glazing thickness and configurations, Cortizo products cater to unique design requirements while maintaining the highest standards of durability and quality.

Downloads

Product Downloads

Access detailed resources about Cortizo products, including technical datasheets, maintenance guidelines, and specification documents to aid in the planning and execution of your projects. These downloads are meticulously curated to provide you with all the information needed for effective and efficient implementation. Whether you're an architect, developer, or consultant, we’re here to support your technical inquiries and decision-making process.

Specifications

Product Specifications

Dive into our specifications section, designed to equip you with precise details about our products' technical capabilities and design features. From performance metrics to installation requirements, these specifications are crucial for ensuring the successful integration of our products into your projects. Our aim is to provide you with all the necessary technical insights, enabling seamless project planning and execution.

Videos

Product Demonstration Video

Watch the Cortizo 4900 HI Sliding Door in action in the below video, showcasing its sleek design, smooth operation, and high-performance features.

glass building

Chris and Charlie came and fitted 4 secondary glazing windows in my flat in North London. Amazing service and was very professional from start to finish which is rarer to find these days.

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Abu Naser

Friendly and polite. Replaced two large windows for our cinema street front very quickly and efficiently.

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Aiden Felgate

This rating is more than justified. Paul Boxall provided excellent service to me and turned around my order within 24 hours. Whilst I have never used this Company before I would have no hesitation in recommending them.

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Gillian Maddocks

Thankyou SGC Glass. Great windows and great installation by the ‘A’ team AKA Chris & Jordan. P.S Ellis was Good too. (Sorry you missed out on the cakes).

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Leslie Philbrick

Great Company! We have used SGC Glass services on several projects and they have always been reliable and punctual. Their installation team are amiable and professional.

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Westgate concierge

Excellent service and result relating to a difficult job. Their operatives were careful and friendly and overall we are very pleased. On this experience I can thoroughly recommend SGC Glass.

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Customer

Two great fitters, know how to fit widows and make a good clean job of it. Very pleased with the widows and happy to recommend Chris and Ronnie, they made the whole experience pass by without a hitch, thanks guys.

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Roger

Chris and Rodney are the most professional fitters I have ever had the pleasure of knowing. From survey to turning the key in the door at the end it was an outstanding experience. I would recommend this company to anyone.

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Sally Cooper

SGC just fitted a back door and a set of bi-folds to the living room. Chris and his team are first class. Works from start to finish handled brilliantly. Very happy Indeed. Highly recommended.

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Shaun Wade

Damien was amazing took out the panel swiftly and replaced it looking better than it was originally was very helpful with the removal of goods from our office 5star review 100%.

Google

Mason Cowie

I’ve used this company for the first time. They are helpful and was kept informed about my order would definitely use this company again.

Google

Paul Clegg

Chris and Ronnie were fantastic. Professional, friendly and helpful. They worked incredibly hard. No mess. Really happy. Doors look great. Thank you both.

Trustpilot

Justine Derbyshire

sliding window

Sophisticated Style

Effortless Elegance for Modern Spaces

The Cortizo 4900 HI Sliding Window is designed for refined elegance and crafted for high performance. Sleek, minimalistic sightlines maximise views and allow plenty of light to flood internal spaces, while advanced thermal break technology keeps interiors comfortable all year round.

Designed to reduce heat transfer and minimise energy consumption, the Cortizo 4900 HI Sliding Window supports architects and developers working to improve sustainability within the built environment.

Commerical Glazing

Versatile Design for Commercial Spaces

The Cortizo 4900 HI Sliding Window offers a wide range of customisation options to suit diverse architectural needs, making it suitable for a wide range of commercial applications like offices, shopping centres, leisure centres, hospitals and more.

Choose from a range of sizes and configuration options (including 1, 2, 3, or 4 rail installations) and add the perfect finishing touch with a range of colour powder coatings, wood effect powder coatings and anodised finishes.

grey aluminium window

Aluminium Fabrication

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Aluminium Excellence

Premium Aluminium Fabrication for Every Need

At SGC Glass, our aluminium fabrication service combines cutting-edge technology with skilled craftsmanship, ensuring top-tier solutions for both commercial and residential projects. We offer a wide range of products including bespoke aluminium windows, doors, and other structural elements tailored to your specifications.

Our highly trained professionals ensure that every installation is executed with precision and care, adhering to the highest safety standards. With our commitment to durability and aesthetic appeal, trust SGC Glass to transform your space with innovative aluminium solutions that stand the test of time.

Window and Door Installations

window fitter

Seamless Installations

Expert Glass Installation Services

SGC Glass provides expert window and door installation for both residential and commercial projects. Our experienced team handles everything from simple home replacements to complex commercial installations, adhering to the highest safety standards for efficient, lasting results.

We understand that every project is unique. That's why we offer bespoke installation solutions tailored to the specific needs of each client, whether they are a homeowner, architect, or developer. From consultation to final inspection, we work closely with clients throughout the entire process, ensuring flawless installation of our windows and doors into any design.

UPVC Windows

upvc white windows

Reliable Performance

Discover Our uPVC Window Range

SGC Glass showcases a versatile range of uPVC windows designed for modern living. Engineered for exceptional energy efficiency and sound insulation, our windows provide a comfortable and quiet home environment. Available in various styles, colours, and finishes, they effortlessly enhance any property’s kerb appeal.

With low maintenance requirements and robust security features, our uPVC windows are built to last. Expert installation from our skilled team ensures a perfect fit, making SGC Glass your trusted partner for stylish and functional window solutions.

Double Glazed Windows

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Superior Insulation

Discover Our Energy-Efficient Double Glazed Windows

SGC Glass specialises in premium double glazed windows that enhance thermal efficiency and sound insulation for your home or business. Our double glazing technology creates an effective barrier against heat loss and external noise, ensuring a comfortable indoor environment year-round.

Available in a variety of styles and finishes, these windows not only improve energy savings but also enhance your property’s aesthetic appeal. With professional installation from our expert team, you can trust SGC Glass for quality and durability that lasts.

Frequently Asked Questions

What are the dimension limits for the Cortizo 4900 HI Sliding Window?

The system supports individual sash dimensions up to 2200 mm in width and 3000 mm in height, catering to large-scale installations.

Does this window system come with customisable finishes?

Yes, the Cortizo Sliding HI Window is available with various finishes including colour powder coatings and wood effect options, adaptable to specific design themes.

What kind of weather protection does the window provide?

With Class 4 air permeability, Class 7A water tightness, and Class C5 wind resistance, this window system is built to provide comprehensive protection against adverse weather.

What is the level of sound insulation achieved?

The window provides acoustic insulation up to Rw = 40 dB, effectively reducing external noise for peaceful indoor environments.

Are there options for different installation configurations?

Yes, the window system offers flexibility with multiple rail options and the possibility of galandage for a flush wall finish.

Case Studies

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Commercial Solutions

white houses

Home Solutions