020 341 10038/ 01768 254552/ projects@thefenestrationnetwork.co.uk
020 341 10038/ 01768 254552/ projects@thefenestrationnetwork.co.uk
AB-38 Slimline Smarts Bifolding Doors | The Fenestration Network
Ultra-slim 88mm sightlines
Available with or without Crittal effect
Over 150+ RAL colours to choose from
Upto 20 Years Guarantee
Max Width per pane - 1300mm
Max Height - 3000mm
U-Value: 1.0W/M2K
Available in over 19 configurations
PRODUCT REVIEW COMING SOON

The Fenestration Network supplies and installs Premium Aluminium Glazing for homeowners across the UK. From modern windows and bifold doors to sliding and heritage systems, we deliver industry-leading products with expert nationwide installation.
Trusted Nationwide Experts
2no. AW47 Bay Windows
Pastel Green
London October 2025

Why choose The Fenestration Network
Homeowners across the UK trust us for aluminium glazing because we combine national buying power with local service and installation expertise:
- Fully qualified Aluminium glazing installers
- Nationwide coverage - local installers, national support
- Premium aluminium systems from leading UK brands
- Energy-efficient, secure, and beautifully finished
- Fast quotes, clear communication, and aftercare

Complete Aluminium Glazing Service
We offer a full service - from product specification and supply to professional installation. Whether you're renovating your home, replacing old glazing, or building new, our aluminium systems combine design flexibility with exceptional performance.
- Aluminium windows supply and installation
- Aluminium bifold doors supply and fit
- Aluminium sliding doors installation
- Heritage and steel-look glazing systems
- Nationwide coverage with trusted local installers

At Fenestration Network, we work with the UK’s leading system companies and manufacturers to provide homeowners with the very best in aluminium windows and doors.
Our expertise spans decades in the glazing industry, giving us a complete understanding of how each system performs, what makes it unique, and where it fits best.
Whether you’re looking for architectural aluminium sliding doors, precision-engineered bifolds or beautifully crafted front doors, we've got you covered.
Go to "Products" for more information & our Brochure

At The Fenestration Network, we provide a comprehensive, end-to-end service that brings every stage of your project together under one expert team. From foundations and brickwork to glazing and finishing, we seamlessly coordinate every trade to guarantee precision, performance, and a smooth experience for you.
We don’t just install glazing — we build around it.
Our integrated approach means the structural and glazing elements are designed and executed to complement one another from the start, delivering:
This joined-up delivery model ensures your orangery, extension, or renovation achieves the best of both worlds: robust construction and high-performance glazing, all delivered by specialists who understand both disciplines.

ASK FOR OUR WHITE GLOVE PROJECT SERVICE - FULL SUPPLY, SURVEY AND INSTALLATION
Ultra-slim 88mm sightlines
Available with or without Crittal effect
Over 150+ RAL colours to choose from
U-Value: 1.0W/M2K
Available in over 19 configurations

ASK FOR OUR WHITE GLOVE PROJECT SERVICE - FULL SUPPLY, SURVEY AND INSTALLATION
132mm sightlines
Over 150+ RAL colours to choose from
Upto 20 Years Guarantee
U-Value: 1.4W/M2K
Available in over 19 configurations

ASK FOR OUR WHITE GLOVE PROJECT SERVICE - FULL SUPPLY, SURVEY AND INSTALLATION
Ultra slim 20mm sightlines (Central mullion)
Soft Close
Over 200+ RAL colours to choose from
Available in 2 or 3 track
1.6 W/m2K U Value

ASK FOR OUR WHITE GLOVE PROJECT SERVICE - FULL SUPPLY, SURVEY AND INSTALLATION
Sightlines
Frame depth 116 mm / 182 mm 3 rails Sash depth 37 mm
Interlock 20 mm

ASK FOR OUR WHITE GLOVE PROJECT SERVICE - FULL SUPPLY, SURVEY AND INSTALLATION
Slim 20mm sightlines
Standard or Flush Stacking
Over 200+ RAL colours to choose from
1.3 W/m2K U Value

ASK FOR OUR WHITE GLOVE PROJECT SERVICE - FULL SUPPLY, SURVEY AND INSTALLATION
110mm sightlines
Over 150+ RAL colours to choose from
Upto 20 Years Guarantee
0.8Wm2K U-Values
Available in upto 14 panes width

ASK FOR OUR WHITE GLOVE PROJECT SERVICE - FULL SUPPLY, SURVEY AND INSTALLATION
Highly practical, affordable range of Aluminium Windows available in a range of colours and designs.
Aesthetically pleasing and simple to install.

ASK FOR OUR WHITE GLOVE PROJECT SERVICE - FULL SUPPLY, SURVEY AND INSTALLATION
Highly practical, affordable range of Aluminium Windows available in a range of colours and designs.
Aesthetically pleasing and simple to install.

ASK FOR OUR WHITE GLOVE PROJECT SERVICE - FULL SUPPLY, SURVEY AND INSTALLATION
Door leaves up to 3m high
Stunning Heritage (Crittal effect)
Can be used external and internal
Inward or outward opening

ASK FOR OUR WHITE GLOVE PROJECT SERVICE - FULL SUPPLY, SURVEY AND INSTALLATION
Highly practical, affordable range of Aluminium Windows available in a range of colours and designs.
Aesthetically pleasing and simple to install.

ASK FOR OUR WHITE GLOVE PROJECT SERVICE - FULL SUPPLY, SURVEY AND INSTALLATION
Fresh, vibrant designs.
Our range of Entrance doors are excellent quality, available in a variety of styles.
Quick lead times and a dream to install.

ASK FOR OUR WHITE GLOVE PROJECT SERVICE - FULL SUPPLY, SURVEY AND INSTALLATION
Explore Aluspace internal doors and screens – slim, stylish steel-look glazing from Smart Systems, designed to transform modern homes.
Go to "Our Products" for more information & our Brochure

Your windows and doors are an investment — and like any part of your home, they need regular care to stay secure, efficient, and looking their best.
At The Fenestration Network, we offer nationwide window and door maintenance plans designed to protect your property, reduce long-term repair costs, and keep every installation performing like new.
✅ Extend lifespan of your glazing
✅ Maintain energy efficiency and security
✅ Prevent costly repairs
✅ Keep warranties valid
✅ Ensure your property always looks its best
Book your plan today.
Call us: 020 341 10038 (South) / 01768 254552 (Rest of UK)
Email: maintenance@thefenestrationnetwork.co.uk

The Fenestration Network White Glove Service. Expert advice, survey, installation and aftercare for windows and doors, with trust and precision.
Go to "Our Products" for more information & our Brochure

The Fenestration Network are Nationwide Supply and Installation experts in:
Aluminium Bifolding doors / Aluminium Sliding doors / Entrance Doors/ Heritage french doors/ Aluminium Windows/ Garden Studios, Glass Balustrades, Orangeries.
Our teams have over 35 years experience supplying and installing quality Glazing products across the UK. We have teams of Surveyors, Installers and Technical Experts close to you to help guide you through your project.
We cover all regions on this map with our professional and highly skilled , local surveyors and installers.
020 341 10038 - South
01768 254552 - Rest of UK

It's important that you know what you're potentially purchasing.
Whether it's Aluminium bifolding doors, Aluminium sliding doors, Heritage french doors or our other products, we delve into the products we offer with detailed reviews, covering all Technicals aspects including functionality, design and configuration and much more:
The Fenestration Network
projects@thefenestrationnetwork.co.uk
Copyright © 2023 The Fenestration Network - All Rights Reserved. The Fenestration Network is a trading style of Evans Sales Group Ltd. All insurances are available to view upon request.
Our November 10% discount applies to all orders placed before 30th November 2025, applicable only to quotes produced from 15th October 2025.
We aren't CPS scheme registered ourselves but a lot of our installers are. If you require a CPS sign off please let us know at quoting stage and we can add this in to the quote. If you don't ask us for CPS sign off then it is expected that you will arrange yourselves with building control at your local council.

Applicable only to orders resulting from new quotes produced from 15th October to 30th November, must include full supply, survey and installation and must include any combination of the below:
Windows/ Bi Folding Doors/ Sliding Doors/ French Doors/ Entrance Doors/ Windows/ Garden Studios, Glass Balustrades, Orangeries.