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Windmill 1
Slimline Sliding Doo
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Elegant creators of space and light, opening the potential of your property. Fashioned out of high-quality aluminium components that support beautiful large panes of glass.

Excellent Quality & Quick Service

5 5 1
Klosen recently installed 3 sets of sliding doors on my extension and I found them to be superb from beginning to end. It was very helpful that they were knowledgeable of many of the systems available and were able to offer multiple products, as this helped me get a good quality product that was also competitive with other quotations I received. Would definitely use them again.

Happy & Would Recomend

5 5 1
Klosen installed some aluminium windows, sliding doors and a front door for ourselves recently. Very easy to deal with them all, and extremely happy with the products received and the installation quality. They offered a great range of products, not just one or two, which we found very important when making our decision on window & door supplier for this project. We would happily use again and recommend.


5 5 1
Having searched for along time for an installer of high quality aluminium windows I was very relieved when I found Klosen. They were excellent from beginning to end, with very knowledgeable staff.


Thermal Insulation

The material has built-in thermal properties which will improve heat insulation for your home.

Natural Light

A thin frame and maximized glass will enable a source of natural light into your home, making your rooms brighter.

Aesthetic Design

The slimline range will integrate a beautiful aesthetic with traditional surroundings that will make your home contemporary.

Strong & Seamless

Aluminum is a strong & lightweight material which will allow a smooth but sturdy function.


Our luxury aluminium sliding doors provide an alternative to traditional sliding doors, delivering a panoramic view and transforming the look and feel of your entire home. Created using the highest quality aluminium, our products offer an unrestricted vista. The strength-to-weight ratio enables the doors to easily glide into an open position, creating the perfect slimline sliding doors to frame your view with minimum effort from the user.

Despite its strength, we manufacture aluminium at such a high level it creates beautiful slimline folding doors, with a user friendly light-weight structure. Within the door leaves are integrated rollers that allow the glass to glide open in a smooth, even manner, with minimal effort. Our sliding door systems are available in single, double or triple track configurations and are versatile enough to accommodate even the largest of openings

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Here at Klosen, we are also capable of tackling the most complex of design requests, with examples including bi-parting panoramic aluminium doors with fully glazed corners, units and frames of consistently high quality, with cutting-edge designs that will deliver an aesthetically stunning finish to your home.

Our products boast a beautifully minimal structure, allowing you to effortlessly move the entire structure, opening the doors in a smooth motion with little noise pollution to disturb your home.

Lightweight, elegant doors engineered to create an effortless, smooth movement.

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Types of Aluminium Sliding Doors we Offer

If you are unsure about opting for a slimline bi fold door in your home, we also offer slimline sliding doors. These operate similarly but with larger panels that slide open and close and do not fold. Both are designed to be effortless and we work with a variety of brands to bring you the best aluminium doors on the market.

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Get in touch with us today to receive your free quotation!