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Email Us: info@klosen.co.uk
Phone Us: 01778 346611
Phone Us: 01778 346611
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Senior Architectural Systems Windows

Klosen / Aluminium Windows / Senior Architectural Systems Windows

SAS – Elegant Windows

Designed to be different, SAS windows offer an expanded polyurethane thermal barrier for exceptional thermal performance and weathertight design.

Modern white house with mixture of design styles

Modern white house with mixture of design styles

old building with grid windows

old building with grid windows

White Aluminium Windows in old brick wall

White Aluminium Windows in old brick wall

double fronted house with grid windows and stone wall feature

double fronted house with grid windows and stone wall feature

Offering an exemplary range of aluminium windows, Senior Architectural Systems can transform your home. SAS offer a range of systems and styles, including slimline aluminium windows and hybrid curtain walls.

With a selection of hybrid windows, Senior Architectural Systems offers a leading selection of timber and aluminium composite, for the best of both traditional and modern design.

Discover aluminium windows by SAS today for crisp, clean, contemporary designs that add character, style, security and comfort to your home.

With over two decades in the window installation business, Senior Architectural Systems pride themselves on their innovative aluminium windows that are designed to be different. A British based company, all SAS products are designed and supplied in the UK – meaning you’re supporting local business.

Innovative Thermal Insulation

For better retention of heat in your home or commercial space, SAS windows are engineered with polyamide thermally enhanced aluminum – an innovative thermal barrier preventing the cold from getting in and the heat from getting out. This weathertight design means a substantial improvement in your building’s carbon footprint and lower energy bills.

Enhanced Security

Senior Architectural Systems Windows have been developed to meet the Secure by Design (SBD) standards, which measure a windows ability to resist forced entry. Senior meet stringent security standards and are fabricated to a consistent quality. Senior Architectural Systems Windows have also been weather tested, featuring adjustable locking points for easy locking and weatherproof seal.

Super Slim Sight Lines

Super slim sight lines maximise natural light and offer an elegant frame solution for larger windows.

Efficient Service

In house material processing means all aluminium windows can be fabricated with a quick turn-around.

Expert Support

From the initial design process to the ongoing lifetime of the building, SAS offers accessible, expert support.

Robust Design

Focusing on aesthetics, design and innovation, Senior Architectural Systems Windows offer a robust design for years of trouble-free operation.

Bespoke Finish

Senior offers a wide range of colours and finishes, guaranteeing a high quality finish and windows that perfectly blend with your internal and exterior façade and surroundings.

  • Senior Architectural Systems approved installers
  • Over 25 years’ experience
  • Exceptional customer experience
Download Senior's Brouchure
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SAS offers a range of hybrid window designs which are fabricated with more than one material. This includes timber and aluminium composite, which can be used independently or with a hybrid curtain wall system.

This refers to a timber frame clad in aluminium.

Our Customer Reviews

Great Price & Quick Delivery
★★★★★
“ This company have been amazing and came to our rescue when another company let us down repeatedly over a period of 4 months during our building work. We got a great price, a quick delivery time and the same product but this time with lovely fitters who knew exactly what they were doing. Now we will will have a warm house for christmas HOORAY !! We went for 3 large sliding doors and the quality of the product is excellent . Many thanks to Audrey Cieran and the team I would recommend highly”
- Esther Young

Delighted
★★★★★
“ Delighted with the product and the service provided by Klosen. The installation team were excellent and very helpful.”
- Sara Hyem

Very Happy
★★★★★
“ We’ve been very happy with the work Klosen recently completed for us. They installed a variety of windows and sliding doors for us on our new build project. All of the information we requested early on was provided promptly and they were great with our architect. Very happy with the end result and the colour they helped us chose.”
- Sarah Munton