uPVC Windows

KF 410 uPVC Windows

Our Internorm KF 410 uPVC windows are available nationwide and are a versatile addition to any property. With a modern square edged design, these triple glazed windows contain a number of Internorm I-tec innovations which are unique to their products. Optional I-tec Ventilation can create a stable internal temperature year round. The I-tec Insulation technology in our KF 410 uPVC windows creates a U-value of just 0.62 W/m2k, among the best of all uPVC windows on the market.

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Thermal Insulation (in W/m2K):

Uw up to 0.62


Sound Reduction (in dB):

34 - 45



Secured by Design & PAS 24

More Info

These KF 410 uPVC windows have sound reduction capabilities of up to 45 dB. With the inclusion of concealed locking systems, our Internorm windows are extremely secure. This standard of security allows the KF 410 uPVC window to also be compliant with PAS 24:16 regulations. They are additionally fully accredited by Secured by Design. Fill out our online contact form to request a quote for our KF 410 uPVC windows.

Technical Specifications

Dimension (in mm) Opening Versions Gaskets
Frame construction depth 90
Quantity 3
View width frame/sash 113
Turn and turn/tilt
Colour Light Grey
View width flying mullion (2 sashes) 133
View width transom/mullion (2 sashes) 187
Sliding windows
Lockable doors
Sliding doors
Doors with threshold
Outward Opening Doors

Features & Benefits

Thermal Insulation

Our KF 410 uPVC windows include insulating granulate and Internorm I-tec Insulation technology to create an energy efficient environment. Triple gasket seals inside the triple glazed windows have optimal weatherproofing capabilities.

Optional Ventilation

Optional I-tec ventilation integration in our KF 410 uPVC windows can create a climate controlled space with a constant stream of fresh air. These triple glazed windows are perfect for multi storey buildings and commercial properties.

Versatile Design

Available in a range of weatherproof colours and finishes, our KF 410 uPVC windows can adapt to the style of any property. You can also include advanced insulating and strengthening components as optional extras.

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KF 410 uPVC Window Prices

Use our online contact form to get a quote for your project today. Simply fill out a few details and we will be in touch as soon as possible. Call our Swindon based team on 0800 612 6519 to hear about our pricing and our product options. Come and see our products in detail at one of our showrooms. You can use our Find A Showroom tool to discover the closest one to you. Book an appointment online to secure your place.

Extra Features


These uPVC windows can be customised and finished with a range of Internorm hardware. From toughened glass, to colour finishes and handle variants, you can explore all our available choices today.

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Window Hardware Installers Gloucestershire

Case Studies

Our case studies show you real life examples of previous installations which we have completed in homes and commercial buildings. You can see images showing our process and the versatility of our windows.

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Minimal Frame Aluminium Windows Gloucestershire


Visit one of our showrooms, located across England and Scotland, to get a detailed understanding of the functionality of our windows. You can speak to one of our product specialists, who can price up your project and give you additional information.

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sliding door showroom

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