Why should I choose steel-look windows for my home?
18 January 2024 | General
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Using intelligent profile design, our slimline aluminium bifold doors capture the very best in market leading design and technology.
Fitted as an internal room divider, a back door to the garden, or to give a period property a modern twist, these doors add a touch of sophistication while also keeping properties protected thanks to anti-finger locking technology, durable materials, and excellent safety measures.
Our slimline bifold doors are:
Trusted manufacturers since 2000
Professional Installer Network
Made in the UK
Exceptional Quality Control
Knowledgeable Family Run Business
Bespoke Complex Products Fabricated
If you want a top-of-the-line option for your home renovation and interior design, consider investing in high-quality hardware like Cortizo bifold doors. These sleek and stylish doors provide a seamless transition between indoor and outdoor spaces, making them perfect for any self-build, renovation, or house extension project. With their slim design and durable aluminium construction, Cortizo bifold doors can easily cover large openings while offering practicality and easy access.
Cortizo bi-fold doors are designed with the highest quality standards, ensuring exceptional performance for years. With up to 14 sashes and various opening types available, these doors can be tailored to fit your requirements perfectly. They offer maximum energy efficiency and resistance against weather conditions, thanks to their innovative construction.
The ultra-compact design saves space, with each panel having a sightline of just 120mm when folded. Additionally, Cortizo bi-fold doors improve accessibility by eliminating hazardous thresholds. Overall, they provide an excellent solution for any property.Request a Quote
Our Gold Standard
We use Ultion locks as standard, ensuring our customers can offer the highest security on the market.
Ultion supplies a powerful lock, with an equally powerful anti-snap guarantee. Should your customer’s lock break by snapping, Ultion will refund them £2000.
State of the Art
Ultion locks have 11 pins, creating just under 300k lock combinations, making it virtually impervious to picking.
Ultion locks are Kitemark approved, and Secured by Design, tested to rigorous police standards.
Cortizo bi-fold door
Sashes Up to 14 sashes, inward and outward opening
Max glazing thickness 45mm
Max frame section 73mm
Max sash section 73mm
Profile thickness 1.8mm
Max width 1,200mm
Max height 3,000mm
Max sash weight 120kg
U Value 1.1 W/m²K
Pure White RAL-9010
Jet Black RAL-9005
Gloss Off White
Anthracite Grey RAL-7016
Standard Self Clean
Self Clean Solar Control
Explore our FAQs to learn more about the advantages and configurations of our Slimline Aluminium Bi-fold Doors. Find answers to common questions about these high-end, versatile products.
Cortizo bi-fold doors stand out thanks to their high-quality and innovative design. With up to 14 sashes, a variety of opening types, and an ultra-compact design, Cortizo doors provide a unique blend of functionality and aesthetics.
The ultra-compact design of Cortizo bi-fold doors minimises the space required when the doors are folded. Each panel has a sightline of just 120mm when folded, maximising living space and creating a seamless transition between indoor and outdoor areas.
Cortizo bi-fold doors come equipped with high-security locking systems, ensuring the safety of any property. With up to 14 sashes, each contributing to the overall security, these doors provide peace of mind.
Yes, we offer a wide range of colour options, allowing you to customise the doors to match you or your customer’s specific design preferences.
Cortizo bi-fold doors are engineered to provide maximum energy efficiency. With a u-value of 1.1 W/m²K, these doors effectively insulate living spaces, helping to regulate indoor temperatures and reduce energy consumption.
At Direct Trade Windows, our commitment to excellence is reflected in our exceptional customer satisfaction.
We take great pride in our impressive 4.9 rating on Google, a testament to the unparalleled quality and service we offer.
We had been severely let down by a previous supplier, but when we turned to Direct Trade Windows for help, we hit the jackpot. Helping us to transform a residential development in Hersham, they supplied us with high-quality, ultra-slim Cortizo sliding doors, complete with the bespoke sliding options that we needed. Our requirements were very specific and not readily available on the market, but Direct Trade Windows really went the extra mile to help us out, coming through with quality products and excellent service. We will definitely be using their services again.
Park Lane Developments
Nothing but praise for this outfit. It was a pleasure to work with them. It was a nerve-wracking undertaking for us, the biggest single expense to fit three large window/french door combos in our extension, yet the team made it a relatively relaxing experience with their professionalism and good humour. Thank you all so much for everything you and the whole team have done to get from the initial sale (well done Hash!) to the fun visit we made to the workshop, to the design and its multiple iterations (thank you Taz!) and finally to the installation. Thoroughly recommended.
Eloise Price - 2022
Direct Trade recently replaced a large, faulty sky light. They said they’d take 3 hours, they took two. They did a fantastic job, there was absolutely NO dust or mess, at all. I was amazed… thought I’d be clearing up dust for days! I also didn’t need to get the recess re-plastered or painted – bonus!
I highly recommend Direct Trade. They are a professional and friendly service delivering a high quality product.
Vicky Steele - 2022
I met with Taz at the warehouse to see some examples of the glazing and from the beginning he was extremely professional, personable and helpful. We ordered crittal style windows and doors, a Juliet door, 3 other windows and roof lights and every one of them was excellent quality, secure and well made. I highly recommend Taz and his team at Direct Trade Windows!
Nick Robinson - 2021
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