Why choose Alitherm 600 Windows

This versatile range of profiles can provide many solutions for residential and light commercial applications. It can create traditional casement windows inspired by the elegance and styling of timber products, or contemporary style windows designed for modern homes or offices.

Stunning Appearance

We supply a huge range of window styles, opening options, hardware and colour choices – enabling you to choose the perfect system to meet your exact needs.

High Quality, yet Affordable

Designed to offer excellent weather resistance and featuring a ‘thermal break’ between the inside and outside frames to provide excellent insulation properties, all our systems allow you to enjoy the comfort of improved insulation as well as lower energy bills.

Suitable for both Residential and Commercial

The Alitherm 600 profile is specifically designed to meet the requirements of refurbishment and renewal projects on listed buildings and in conservation areas. Ideal for Victorian and Art Deco projects, the range of commercial and residential windows and balcony doors are already proven in a wide range of renovation, refurbishment and heritage projects across the UK.

Colour options

Our Heritage windows comes in a choice of 3 hard-wearing colour finishes, including white, anthracite and black offering stunning ultra slim, clean and modern look. Please call to enquire about other options.

RAL 7016
All RAL Colours

Personalise your alitherm 600 window

Dual colour available

Alitherm products are available in a choice of standard or non-standard colours, including dual colour where you have achoice of the same colour inside and out.

Choose your colour

Our unrivalled range of colour and finish options provides inspiration for all types of properties. From contemporary urban homes to traditional Cotswold cottages, we have the perfect colour to suit every project in any location.

Wide range of designs

Alitherm 600 windows are available in a number of formats for side and top hung open out windows suitable for both the residential and commercial markets.

Handles colours

Our Alitherm 600 range comes with a whole range of colour options including; white, black, chrome, satin and gold. Multipoint shootbolt locking fitted as standard. Option of cockspur handles.

Glass upgrades

The alitherm 600 range comes with a range of glass options 28mm to 38mm double or you can upgrade to triple glazed units to improve the u value of your window.

Made to measure

Each and every window is made bespoke to your needs. side hung windows offer a maximum width of 1000mm by 1400mm in height. Top hung 1400mm by 1500mm in height.

Technical Information

WER Rating B
U Value 1.3W/m²K (using correct glass unit)
Air Class 4, 600Pa
Water Class E, 1200Pa
Wind Class AE, 2400Pa
Document L Compliant Yes
Kitemark Yes
BS 6375-1:2009 Yes
BS 7950:1997 Yes
BS 4873 Yes
PAS 24:2012 Yes

Technical Resources

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Want to speak to an advisor? Give our team a call on 0800 025 8007