Outstanding Features of Cortizo 4900 HI Sliding Door

Superior Thermal Efficiency

Achieving a thermal transmission coefficient of Uw ≥ 1.2 W/m²K, this system is engineered to minimise energy wastage.

Acoustic Excellence

Features a glazing capacity of 36mm, delivering soundproofing performance of up to Rw = 40 dB for tranquil indoor environments.

Weather Resilience

Rated Class 4 for air permeability, Class 7A for water tightness, and Class C5 for wind resistance, guaranteeing superior durability.

Customisable Aesthetics

Available in various finishes including powder coating and wood effect options, these doors can match unique design needs.

Versatile Configurations

Designed to fit multiple rails, offering options for one, two, three, or four sashes, making it adaptable for different architectural solutions.

Colours

people looking at colour swatches

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

Innovative Glazing

Tailored Solutions for Innovative Spaces

The Cortizo 4900 HI Sliding Door is more than a functional partition; it’s a design innovation that adds value to any project, featuring slim frames and large glass panels that enhance any living space. Known for its energy-saving capabilities and robust aesthetics, this aluminium door with a thermal break supports sustainable practices while promising elegance and reliability.

Whether it’s framing a picturesque view or providing seamless flow between outdoor and indoor spaces, its state-of-the-art engineering caters to versatile architectural styles. This low maintenance aluminium patio door is the perfect fit for developers and architects striving for an exceptional standard of design, ensuring they can effortlessly create easy access to outdoor space while enjoying peace of mind.

Smart Selection

Why Choose the Cortizo 4900 HI Sliding Door?

Choosing the Cortizo 4900 HI Sliding Door means prioritising innovation, energy efficiency, and sustainability. This superior sliding door system, equipped with double glazing and an aluminium frame, is crafted to offer abundant natural lighting and aesthetic appeal while providing unmatched insulation.

It’s a popular choice for those who value both style and practicality in architectural solutions, making it an essential component for modern, eco-friendly buildings. With its thoughtful design, the 4900 HI Sliding Door serves as an ideal solution for any project aiming to enhance both interior and outdoor spaces.

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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 Doors

white upvc front door

Exceptional Durability

Explore Our uPVC Door Range

SGC Glass presents a wide selection of uPVC doors, ideal for enhancing the security and comfort of any property. Our uPVC doors are engineered to withstand the elements while offering excellent insulation and energy efficiency.

Available in multiple designs and colours, they provide a stylish yet practical solution for any property. With minimal maintenance required and expert installation by our team, you can enjoy long-lasting performance and peace of mind with every entrance to your space.

Composite Doors

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Timeless Style

Discover Our Composite Door Collection

SGC Glass offers a stunning range of composite doors that combine the aesthetic appeal of traditional wood with modern performance. Our composite doors are designed for maximum security, thermal efficiency, and durability, making them an ideal choice for any property.

Available in various styles and finishes, they allow you to customise any entrance while ensuring a welcoming first impression. With expert installation and low maintenance needs, you can rely on our composite doors to enhance any property for years to come.

Frequently Asked Questions

Explore our FAQ section below to find answers to common questions about the Cortizo 4900 HI Sliding Door, ensuring you have all the information you need to make an informed decision for your project.

What sizes can the Cortizo 4900 HI Sliding Door accommodate?

This door can handle sash dimensions up to 2200mm in width and 3000mm in height, suitable for various project requirements.

Are the finishes customisable?

Yes, you can choose from a diverse range of finishes including dual colour options, wood effect, and anodized coatings, tailored to specific design needs.

Is the door weather-resistant?

Yes, the door system is rated for Class 4 air permeability, Class 7A water tightness, and Class C5 wind resistance, ensuring strong weather protection.

What type of insulation does this door offer?

This door provides excellent thermal insulation with Uw ≥ 1.2 W/m²K and acoustic performance up to Rw = 40 dB, enhancing indoor comfort.

Is this door suitable for high-rise installations?

Absolutely, with its robust construction and superior weather resistance, it’s ideal for high-rise and other demanding construction projects.

Case Studies

tall glass building

Commercial Solutions

white houses

Home Solutions