- Commercial Solutions
- Home Solutions
Key Features of COR 70 Hidden Sash
Energy Efficiency
With U-values as low as 0.9 W/mK, Cortizo COR 70 Hidden Sash Windows help maintain comfortable interior temperatures and help reduce energy costs.
Acoustic Insulation
Our Cortizo Windows offer acoustic insulation, allowing you to create peaceful interiors in bustling urban settings. Reduces external noise by up to 45 dB.
Durable Construction
Constructed with a robust aluminium frame, these windows are built to last, and offer unbeatable protection against the elements throughout the year.
Customisable Aesthetics
Available in different finishes like colour powder coating and wood effects, our windows allow you to tailor designs to suit the demands of your specific project.
Minimalistic Sightlines
The hidden sash design offers creative flexibility, and can accommodate various size options while offering sleek and minimalistic sightlines.
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.
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.
Abu Naser
Friendly and polite. Replaced two large windows for our cinema street front very quickly and efficiently.
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.
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).
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.
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.
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.
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.
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.
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%.
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.
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.
Justine Derbyshire
Expansive Glazing
Minimalist Design, Maximalist Views
Cortizo COR 70 Hidden Sash Windows redefine elegance in architectural design. With the sash concealed within the frame, these windows offer an unbroken, expansive glass surface that complements a range of modern architectural aesthetics.
This window design provides minimalistic sightlines, allowing for light-filled interiors and picturesque views, ideal for offices, hospitals and other commercial spaces.
Style & Performance
COR 70 Hidden Sash: Cutting-Edge Design
Cortizo COR 70 Hidden Sash Windows are engineered to maximise natural light while maintaining outstanding insulation, making them indispensable for architects and developers dedicated to crafting energy-efficient, secure, and stylish buildings. Crafted with thermal break technology, these windows reduce heat transfer and provide excellent acoustic insulation, ideal for spaces located in busy bustling areas.
Aluminium Fabrication
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
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
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
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
Are Cortizo COR 70 Hidden Sash Windows available in different sizes?
Yes, the Cortizo COR 70 Hidden Sash Windows can be made in different sizes to suit your needs, with a maximum sash weight of 160 kg. For more specific information about the sizes and dimensions available, please contact a member of our expert friendly team.
Are customised finishes available for these windows?
Yes, you can choose from multiple finishes including colour powder coatings, wood effect powder coatings and anodised options to fit your design vision.
How do these windows perform in terms of weather resistance?
They offer excellent air permeability and water tightness, ensuring robust performance under diverse weather conditions.
What is the level of sound insulation provided?
These windows deliver exceptional sound insulation, reducing external noise by up to 45 dB, making this window design a perfect choice for noise-sensitive environments.
Do these windows meet the latest energy standards?
Absolutely, with a U-values as low as 0.9 W/mK, they exceed many current energy efficiency standards.
Case Studies
