Internorm uPVC/Aluminium Windows

Internorm uPVC-aluminium windows are a popular choice with Berkshire, Hampshire, Surrey and Oxfordshire homeowners for modern and traditional properties.

This impressive, award-winning hybrid window system is eco-friendly and available in four design styles: Studio, Home Pure, Home Soft and Ambiente.

All uPVC/aluminium profiles are manufactured in Austria in state-of-the-art facilities to the highest energy-efficient and security standards, guaranteeing the highest quality UPVC windows.

Internorm, established over 90 years ago, is Europe’s leading manufacturer of energy-efficient triple-glazed uPVC windows with a focus on sustainable production methods.

Internorm uPVC/aluminium windows with triple glazing as standard offer outstanding thermal performance and sound reduction. With low U-values of 0.62 W/m2K.

Available in a wide choice of external finishes and colours, woodgrain effect, DURAxal colours, hi-rest textures or anodised finishes, whilst internally there is a choice of white, edelweiss, cream white, grey or golden oak and triple-glazed as standard. Internorm’s award-winning uPVC-aluminium range is a popular choice for Passivhaus retrofit and new build projects.

These composite windows combine the energy efficiency, durability, and low maintenance of uPVC windows with the contemporary, sleek look of aluminium windows.

Internorm uPVC/Aluminium windows and doors are bespoke to your requirements and come with a 10-year guarantee.

Our Bracknell showroom has a range of Internorm window and door designs on display for you to view and try, so please feel free to contact us to discuss your project and request an appointment.

KV 440

KV 440 is a flush uPVC-aluminium composite window with integrated Venetian, Roman, or Duette blinds for enhanced privacy and sun protection.

KV 350

The Internorm KV 350 window combines superior thermal Insulation and sound reduction with integrated blinds. The blinds are fitted between the panes, protecting them from dirt and damage.

Access to the blinds is easily achieved by simply opening one of the hinged panes. The blinds can be operated manually or via a smartphone—perfect for when you’re not at home but want to appear to be.

Thermal Insulation: as low as 0.79 W/m2K
Sound Reduction: up to 45 dB
Security: RC1N, RC2
Locking: Concealed
Construction Depth: 74mm
Design Styles: Home Pure, ambient
I-tec Glazing, I-tec Connect, I-tec Shading

KF 520

The new, sleek, minimalist KF 520 combines innovative design with state-of-the-art technology and contains the revolutionary locking I-tec Secure system.

The frame is nearly invisible from the outside as it is fully concealed, creating a seamless, frameless, minimalist aesthetic that gives the illusion of fixed glazing but is designed as an openable window.

Thermal Insulation: as low as 0.63 W/m2K
Sound Reduction: up to 46 dB
Security: up to RC3
Locking: Fully Integrated
Construction Depth: 74mm
Design Styles: Studio
I-tec Glazing, I-tec Secure

KF 410

The KF 410 has four design styles—Studio, Home Pure, Home Soft, and Ambiente. It offers flexibility and aesthetics to suit contemporary and traditional interiors. Advanced I-tec Insulation provides continuous frame insulation for comfort and energy efficiency.

Internorm’s KF 410 uPVC/aluminium composite window consists of a reinforced uPVC profile, highly thermally efficient insulating foam, and weatherproof powder-coated aluminium cladding.

Highly weather-resistant and virtually maintenance-free, the slim Internorm KF 410 window is a wise choice for your home.

Thermal Insulation: as low as 0.62 W/m2K
Sound Reduction: up to 45 dB
Security: up to RC2
Locking: concealed
Construction Depth: 93mm
Design Styles: Studio, Home Pure, Home Soft, Ambiente
I-tec Glazing, I-tec Insulation, I-tec Ventilation

KF 320
Thermal Insulation: as low as 0.65 W/m2K
Sound Reduction: up to 45 dB
Security: up to RC2
Locking: Concealed
Construction Depth: 74mm
Design Styles: Studio
I-tec Glazing

KF 310

The Internorm KF 310 window is available in uPVC only or uPVC with weather-resistant powder-coated aluminium cladding. The narrow, square-edged window frame gives the impression of fixed glazing, but the window can be opened. The frame can be rendered on three sides for a frameless appearance. The glass pane is bonded, giving it excellent stability, thermal Insulation, and security.

Thermal Insulation: as low as 0.69 W/m2K
Sound Reduction: up to 45dB
Security: up to RC2
Locking: concealed
Construction Depth: 74 mm
Design Styles: Home pure, home soft, ambient
I-tec Glazing
Timber/Aluminium Windows

Internorm timber/aluminium composite windows are a highly popular choice among homeowners.

The H stands for Holz, the German word for wood, and the F stands for Fenster, the German word for window.

Internorm is known for its stunning craftsmanship and use of durable, sustainable timber and high-quality external aluminium cladding. It offers bespoke timber/aluminium composite windows that withstand all weather conditions while preserving the’ beauty, naturalness, and warmth of wooden windows.

HV450

The Internorm KV 450 window combines a flush design with high-performance, integrated blinds. Cleaning the blinds’ slats is no longer necessary.

The integrated sun protection blinds, Venetian blinds or Duette® blinds are fitted between the panes, meaning they do not get dusty. If you need to access the blinds, a hinged single pane of glass can be opened.

This is available with an aluminium frame or glass edge (Studio range). The blinds can be operated manually or via a smartphone or tablet.

Thermal Insulation: as low as 0.62 W/m2K
Sound Reduction: up to 46 dB
Security: up to RC2
Locking: Concealed
Construction Depth: 85mm
Design Styles: Home Pure, Home Soft
I-tec Glazing, I-tec Shading, I-tec Connect

HF 410

Innovation is at the centre of the  Internorm HF 410 timber/aluminium composite window, and the revolutionary innovation of the I-tec core and I-tec glazing are standard.

It features a laminated timber core and solid hardwood exterior, adding further strength and durability to these high-performance triple-glazed windows.

Internorm HF 410 is available in the Home Pure, Home Soft, Studio, and Ambiente styles and a range of wood finishes, including Oak, Ash, Larch, and walnut. For a vintage look, a new Grey Oak is now available.

Thermal Insulation: as low as 0.64 W/m²K
Sound Reduction: up to 45 dB
Security: RC1N, RC2
Locking: concealed
Construction Depth: 85mm
Design Styles: Studio, Home Pure, Home Soft, Ambiente
I-tec Glazing, I-tec Core

Internorm uPVC/Aluminium Window Prices?

To enquire about window prices for the internorm range, you can use our online contact form or  request a free, no obligation quote

Want to know more?

You may also be interested in reading our blog, ‘Why Choose Internorm Windows and Doors?’