ALUK Windows
Capital Windows have over 45 years experience manufacturing and installing an exceptional range of windows, doors and associated products. Whatever the project, we have the right approach and materials for the perfect finish.
One Of The Slimmest Aluminium Windows Available
Capital Windows 58BW window system is a thoroughly versatile suite of aluminium window sections offering excellent design, first class aesthetics and is one of the slimmest aluminium windows available.
Whether the building is traditional or modern, residential or commercial the wide range of profiles available make it ideal.
Capital Windows can provide this window in a wide variety of options and styles these include:
- Top hung or side hung casement windows
- Bottom hung opening inwards windows
- Tilt and Turn Windows
- Pivot Windows
Weather Performance, Aesthetics & Competitive Prices
This replacement option offers an ideal solution for the replacement of old steel windows. This ultra slim window can match the design of original steel windows where these windows are integral to the overall look of the property, whilst offering high security and excellent window energy ratings.
Each of our aluminium windows is further enhanced by a range of complementary outer frame, sash, mullion and transom profiles enabling an exact design to be created and a particular look to be achieved.
We believe our aluminium window offers you the very best in sight lines, weather performance, aesthetics and at competitive prices.
Technical Specifications
- High security achieved by multi point locking systems, kite marked to PAS 24/Secured by Design
- ‘Planitherm Total +’ low emissivity 24mm or 28mm sealed units
- Clear glass, soft coat lamination, argon filled units
- Can accommodate glazing up to 44mm or triple glazing
- Standard U value of 1.4wm2K
- Windows are tested to the requirements of BS6375 Class 4 Air Tightness
- Class 9a Water Tightness
- Class E2400 Wind Loading
Choose From Over 200 RAL Colours
Our windows come in the very latest contemporary shades benefitting from powder coating technology. This provides a long lasting and durable finish. You can choose from our range of stock colours or any of the standard RAL colours. Special metallic finishes are available as well as different colours inside and out.
Can aluminium double glazing be customised for size and style?
Contact Your Window Experts
Capital Windows offer this market-leading window in a choice of profiles, upgrades and options. Contact us today to see how this advanced contemporary window could add value to any property or design requirement.