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Suitable for a wealth of heritage applications

Strictly designed with planning restrictions in mind, we can manufacture Alitherm Heritage windows in side hung and top hung open out casements and fixed windows. They can even be fitted together as a series of horizontal windows, making them suitable for a huge range of domestic and commercial applications in need of high-quality, heritage style windows.

Individual windows can be manufactured up to 2100mm x 2100mm, whilst they are also available with 316 Marine Grade Stainless Steel Hardware along with Heritage and Art Deco hardware options. If you require steel window replacements, the Alitherm Heritage profile is perfect for this too.

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An extensive selection of premium finishes

The Alitherm Heritage system can be finished in a wide range of colours and metallic finishes. We also offer a dual colour option for applications requiring a different internal and external finish. A number of popular colour options are available below, although the full colour range is available via the link here.

  • Specification
  • Performance
  • Dimensions
  • Downloads
  • Specification

    Brand Alitherm
    Material Aluminium Polyamide
    Dual Colour Yes
    Thermally Broken Yes
    NBS Available Yes

    Performance

    WER Rating B
    U Value 1.5W/m²K (using 1.0W/m²K glass unit)
    Document L Compliant Yes
    Kitemark Yes
    BS 6375-1:2009 Yes
    BS 4873 Yes

    Dimensions

    Side Hung Max Width (mm) 600
    Side Hung Max Height (mm) 1400
    Top Hung Max Width (mm) 1400
    Top Hung Max Height (mm) 1400
    Fixed Max Width (mm) 2100
    Fixed Max Height (mm) 2100
    Glazing (mm) 24, 28, 32 & 36 double or triple glazed units
    Frame Depth (mm) 47
    Typical Sightlines (mm) 59

    Downloads

    Heritage Window House Installation

    Traditional aesthetics with outstanding modern performance

    Despite their traditional window design, the Alitherm Heritage system boasts of a performance that is impressive even by modern standards. Maximum U-values of 1.5 W/m²k far exceed modern standards for thermal performance, making them ideal for use in applications requiring energy-efficient windows.

    A PAS24:2016 accredited system, we can fit them with a selection of high-quality hardware from Yale for enhanced security performance too. They’re also BS6375-1:2009 accredited, proof of their ability to keep interiors wind and weather-free.

    Get in touch

    Get in touch today for a free quote

    Simply fill out our online quotation form providing your specifications and a member of our team will be in touch with a quote.

    Get a trade quote
    Lorry

    Free Delivery Nationwide

    Our fast and efficient workforce will deliver anywhere in the UK at no extra cost within 10 working days of ordering.

    Tool

    High Quality Guaranteed

    Our factory is equipped with the latest machinery ensuring high quality performance & maximum productivity, bringing you a swift turnaround at a competitive price.

    Tech

    Technical Expertise

    As well as manufacturing, our team of technical experts and specialised installers can offer guidance and assistance to meet your needs.

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