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Alitherm Heritage Tilt and Turn
More about Alitherm Heritage Steel Look Tilt and Turn Windows
Trusted manufacturers since 2000
Professional Installer Network
Quick Supply
Made in the UK
Exceptional Quality Control
Knowledgeable Family Run Business
Bespoke Complex Products Fabricated
Alitherm Heritage casement windows are built as a series of horizontal modules which can be stacked using horizontal couplers from a multi-part window featuring a specially designed drip bar between modules.
- U-value of 1.5 W/m²K
- Document L compliant
- PAS24:2016 accredited
- Fixed, tilt & turn, side hung or top hung casements available
- Polyamide thermal break provides enhanced thermal performance
Dimensions:
- Side hung maximum width: 600mm
- Side hung maximum height: 1400mm
- Top hung maximum width: 1400mm
- Top hung maximum height: 1400mm
- Fixed maximum width: 2100mm
- Fixed maximum height: 2100mm
Technical Specification
- Brand Alitherm
- Material Aluminium Polyamide
- Dual Colour Yes
- Thermally Broken Yes
- NBS Available Yes
- 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
- 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
- Single Door Max Width (mm) 900
- Single Door Max Height (mm) 2100
- Glazing (mm) 24, 28, 32 & 36 double or triple glazed units
- Frame Depth (mm) 47
- Typical Sightlines (mm) 59
Colours
White aluminium frame colour finish sample.
Matt white aluminium frame colour finish sample.
Matt brown aluminium frame colour finish sample.
Jet black aluminium frame colour finish sample
Grey aluminium frame colour finish sample.
Gloss white aluminium frame colour finish sample.
Gloss off white aluminium frame colour finish sample.
Dark red aluminium frame colour finish sample.
Dark grey aluminium frame colour finish sample.
Dark green aluminium frame colour finish sample.
Dark brown aluminium frame colour finish sample.
Dark blue aluminium frame colour finish sample.
Cream aluminium frame colour finish sample.
Black aluminium frame colour finish sample.
Anthracite grey aluminium frame colour finish sample.
Airforce grey aluminium frame colour finish sample.
Glass
Unglazed aluminium window frame with angled top.
Standard self-clean glass panel with clear finish.
Standard toughened glass panel with clear finish.
Clear solar control glass panel for improved comfort and energy efficiency.
Self-cleaning glass panel designed to break down dirt and reduce cleaning frequency.
Self Clean Solar Control panel combining dirt-repelling and heat-reducing technology.
Satin obscure glass panel with smooth frosted finish.
Laminated security glass panel with clear finish.
Hardware
Standard Handle Black
Standard Handle Brass
Standard Handle Satin
Standard Handle Chrome
Standard Handle White
Monkey Tail Handle
Peg Stay Monkey Tail & Pear Drop
Peg Stay Catch
Pear Drop Handle
Brochure
Gallery
Alitherm Heritage Windows - FAQs
What are Alitherm Heritage casement steel look windows?
Alitherm Heritage casement steel look windows are slimline aluminium windows designed to replicate the traditional appearance of steel windows while providing modern energy efficiency and durability.
Are Alitherm Heritage steel look windows energy efficient?
Yes, these windows are built with thermally broken aluminium profiles and high-performance glazing, offering excellent insulation and helping reduce energy bills.
Can Alitherm Heritage casement windows be used in period homes?
Absolutely. Their slim sightlines and heritage-inspired design make them ideal for listed buildings, conservation areas, and properties undergoing sympathetic restoration.
Do Alitherm Heritage steel look windows suit modern homes?
Yes, their industrial-inspired design and slim black frames add a stylish, contemporary finish that works beautifully in both modern extensions and new builds.
What colours and finishes are available?
Alitherm Heritage casement windows are available in a wide range of powder-coated colours and finishes, including popular matte black, anthracite grey, and dual-colour options.
Are Alitherm Heritage casement windows low maintenance?
Yes, unlike traditional steel, aluminium does not rust and requires minimal maintenance – just occasional cleaning to keep them looking their best.
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