The two most popular supplied and fitted by Hazlemere are the AluK 58BW ST aluminium window system (which as the title suggests is 58mm deep) and the Sapa Crown aluminium window system, which comes in a choice of 52mm deep or 75mm deep.
AluK 58BW ST Replacement Crittall Windows
The AluK 58BW ST double glazed window system provides an ideal slimline solution for the replication of existing steel windows. The system is available in a range of styles and can be top, bottom or side hung to meet the needs of your project. The AluK window system design replicates the narrow sight lines associated with steel windows whilst providing superior performance and security.
The 58BW ST range has been developed to retro fit mansion blocks, warehouses and similar buildings where steel windows have been traditionally fitted. The range is available in a wide variety of standard colours as well as any RAL colour and includes hardware that is sympathetic to traditional steel window designs.
The 58BW ST replacement Crittall window system has some excellent design features, such as its unique polyamide thermal break design to improve performance, accommodates standard hardware including friction stays and shoot bolt locking and safety features, its been tested to PAS 24 and certified under the Secured by Design scheme.
The 58BW ST has slim sightlines to match existing steel windows and comes in the following configurations – Top, bottom, side hung and outward opening, plus of course fixed lights. The system can accommodate 24mm – 32mm glazing units for thermal and acoustic performance, it has casement clips available for easy fit and removal of dummy vents, is available in single or dual colour, plus has an internally beaded option for ease of site glazing on high-rise applications.
Sapa Crown 52mm and 75mm Replacement Crittall Windows
Aluminium double glazed Crown windows can be made to replicate your existing windows or configured with a new arrangement of fixed and opening windows to create an individual look that is just perfect for any property. Those with Listed properties, or dwellings or work places that fall inside Conservation Areas and Areas of Outstanding Natural Beauty, will often find their local planning authority is happy to approve the use of Crown windows and doors due to the super-slim frame design.
Crown windows use ‘True Dual-Colour’ technology affording a palette of over 400 colours for the inside and outside of your windows, to blend or contrast with your property as you wish. The finish is a high performance, non-fading, hard and durable coating that is baked onto the frames. Being low maintenance, it needs only an occasional wipe down to stay looking as good as new.
Designed and manufactured to high quality industry standards, Crown windows need little maintenance to keep them performing and looking as good as the day they were installed. The latest UK Building Regulations for windows and doors place high demands on thermal performance, which is why the integral thermal efficiency of the Crown system not only meets, but exceeds the required standard.
Styling is all about taking care of the details, and the handles of replacement Crown double glazed aluminium windows and doors have been as carefully thought through as every other aspect of the Crown system. Hazlemere Commercial offer an extensive and imaginative range of handle colours to complement or contrast with the frame colour you choose and, crucially, all of our handles can be colour matched so your windows will always match your doors – we know it’s only a small thing, but we believe it’s this attention to detail that really counts.
Crown aluminium double glazed replacement crittall windows and doors were developed by Sapa Building Systems who are part of the worldwide Sapa Group with over 13,000 employees in 30 countries. It has spent over 50 years, researching and developing it’s window and door systems.
Hazlemere Commercial have decades of experience surveying, designing, fabricating and fitting double glazed replacements for steel Crittall windows that are thermally broken, highly secure and aesthetically sympathetic to the original single glazed Crittall windows. Find out more about the bespoke fenestration products that Hazlemere Commercial supply and fit