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KC75 Aluminium Windows – Light, Style, and Performance in Perfect Balance

Exlabesa KC75

Make a bold statement with KC75 aluminium windows, designed to bring maximum natural light into your home through their ultra-slim frames. Whether you’re enhancing a traditional property or completing a contemporary build, KC75 windows offer the perfect blend of elegance and efficiency.

With a wide range of design options, this system adapts effortlessly to your style while delivering outstanding thermal performance that exceeds the latest Part L Building Regulations.

Built for modern living, KC75 combines aesthetic appeal with practical innovation, offering a window solution that’s as functional as it is beautiful.

KC75: Where light meets lifestyle.

Express Trade Frames

Our KC75 Aluminium Windows

Features

  • PAS 24 tested
  • Top and side hung applications
  • Joined using mechanical corner cleats
  • 75 mm polyamide sub frame section, for easy to install modular windows
  • Egress option available
  • Slimline internal glazing option
  • Cills, add ons, curtain walling insert & coupler sections available
  • Flush sash option available

Technical Features

Design: KC75 casement window has an extensive range of sections giving versatility and a wide range of design options. Its flush or chamfered internally beaded sash sections make this system an ideal choice for residential or commercial applications. Its complete range of 75 mm subframe and coupling sections make this window appropriate for ribbon runs or school refurbishment and commercial projects.

Features: With a glazing range from 24 to 56 mm the system can easily accept triple glazed units or even units incorporating interstitial blinds. Also, the HOi version introduces foam strips to further improve thermal efficiency for higher specification projects.

Benefits: KC75 system offers high thermal efficiency giving a Uw value of 1,2 W/m2K. The window has been tested in accordance with BS6375-1 2015 for Air, Water and Wind resistance making KC75 an ideal choice for exposed or remote sites.

Possibilities: This system offers a reverse rebate adaptor, compatible on both fixed and opening lights, allowing internal beading in a cost-effective manner. Its clever design “double beaded” transom options negate the use of a reverse rebate adaptor, improving thermal efficiency and reduces sightlines.

Brochure Downloads

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Exlabesa Colours Brochure

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Exlabesa Aluminium Windows Brochure

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KC75 Tech Card Brochure

Express Trade Frames

Sheerline Prestige Windows

Where cutting-edge thermal performance meets minimalist elegance aluminium windows and tilt and turns designed to impress.

Sheerline Prestige Windows

Choosing the right aluminium windows for your home is more than just a practical decision it’s an investment in comfort, security, and style.
Our most thermally efficient and versatile system in that we manufacture the 72–80mm range offers exceptional performance across a variety of styles including casement, French, tilt & turn, and fixed windows.

Engineered to complement contemporary architecture, this system reflects the growing demand for light-filled, open interiors. Its ultra-slim sashes maximise natural light, creating a bright, spacious atmosphere and a serene connection to the outdoors perfect for modern living. At the heart of Prestige is our innovative Thermlock® multi-chamber thermal break, which dramatically improves insulation. Combined with our patented construction method, we’re able to hand-tune every corner, ensuring every window and door meets the highest standards of strength, durability, and finish.

Available in a wide range of colours and styles, the Prestige system is designed to enhance your home’s appearance while delivering lasting performance you can rely on.

A Choice of 3 Outer Frames

In a choice of ‘flush’ and ‘standard’ styles, enables Prestige to accommodate a wide variety of installation situations and plaster reveals.

Concealed Ventilation

Prestige comes as standard with concealed drainage and an optional concealed ventilation shroud for improved, discreet aesthetics.

Attention to Detail

We’ve built in lots of clever features, like making our windows sit flush against cill backs, to ensure a perfectly vertical finished installation.

Brochure Downloads

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Sheerline Prestige Brochure

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Homeowners Brochure