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Bio-Clean Glass
Specially designed for sealed units that are hard to reach, such as conservatory roofs and isolated windows, our naturally self-cleaning, low-maintenance glass features a coating on the external surface that harnesses UV light and rain to efficiently break down and rinse away dirty residuals.
Produced with Planitherm natural self-cleaning glass, our sealed units will remain cleaner for longer, even in highly polluted areas.
Noise Reduction Sealed Units
Our noise reducing units are available in a choice of formats depending on specific requirements, ranging from basic units, which combine glass panes with different thicknesses to the specialist laminated glass featuring transparent plastic interlayers between two sheets, which keeps unwanted noise out.
Bio-Clean Glass
Specially designed for sealed units that are hard to reach, such as conservatory roofs and isolated windows, our naturally self-cleaning, low-maintenance glass features a coating on the external surface that harnesses UV light and rain to efficiently break down and rinse away dirty residuals.
Produced with Planitherm natural self-cleaning glass, our sealed units will remain cleaner for longer, even in highly polluted areas.
Noise Reduction Sealed Units
Our noise reducing units are available in a choice of formats depending on specific requirements, ranging from basic units, which combine glass panes with different thicknesses to the specialist laminated glass featuring transparent plastic interlayers between two sheets, which keeps unwanted noise out.
Decorative Glass
Decorative Glass
Our decorative glass comes in a multitude of standard choices – from traditional motifs to contemporary styles, as well as bespoke designs.
Thanks to our craftsmanship and state-of-the-art machinery, we’re able to supply high performance decorative glass to help you take advantage of this market trend.
Our decorative glass comes in a wide variety of styles, ranging from stained and coloured glass to bevelled and leaded in a large variety of designs.
Astragal & Georgian Bars
Astragal & Georgian Bars
We offer both Astragal and standard Georgian bars for those who seek a more traditional look. The Astragal bars (28mm wide) are attached on both external surfaces of the unit to give the impression of small panes of glass, while the standard Georgian bars (18mm or 25mm wide) are fitted between the glass panes.
Obscure & Patterned Glass
Obscure & Patterned Glass
Our obscure / patterned glass offers privacy in a choice of beautiful designs while still allowing plenty of natural light into a room.
Although mainly used in areas that require privacy, our obscure glass is often simply a style choice.
We use the Pilkington range of Textured Glass, with designs ranging from classic to contemporary that offer different levels of obscurity.
Stylish
Decorative Glass
Decorative Glass
Chosen by many homeowners to add character to their properties, our decorative glass comes in a multitude of standard choices – from traditional motifs to contemporary styles, as well as bespoke designs, created to your customers’ exact requirements.
Thanks to our craftsmanship and state-of-the-art machinery, we’re able to supply high performance decorative glass to help you take advantage of this market trend.
Our decorative glass comes in a wide variety of styles, ranging from stained and coloured glass to bevelled and leaded in a large variety of designs.
Astragal & Georgian Bars
Astragal & Georgian Bars
We offer both Astragal and standard Georgian bars for those who seek a more traditional look. The Astragal bars (28mm wide) are attached on both external surfaces of the unit to give the impression of small panes of glass, while the standard Georgian bars (18mm or 25mm wide) are fitted between the glass panes.
Obscure & Patterned Glass
Obscure & Patterned Glass
Our obscure / patterned glass offers privacy in a choice of beautiful designs while still allowing plenty of natural light into a room.
Although mainly used in areas that require privacy, our obscure glass is often simply a style choice for homeowners wanting something different.
We use the Pilkington range of Textured Glass, with designs ranging from classic to contemporary that offer different levels of obscurity.
Stylish
Frequently Asked Questions
What is the difference between astragal and Georgian bars?
These terms are often used interchangeably, both referring to a style that captures are heritage feel. Georgian bars are typically fixed internally within the unit, whereas Astragal bars are fixed internally and externally to the pane. Both types create the appearance of a window pane divided into separate sections.
Are glass enhancements worth it?
Our glass enhancements enable you to customise our products and give them a character of your own. With the option to request self cleaning glass and noise reduction sealed units, you can also enjoy greater benefits than the standard offering.
Use our free quoting engine for a bespoke online quote today for any of our premium quality windows and doors.
How fast are your lead times?
We offer exceptionally fast lead times as low as five days without compromising on quality. Contact us today to find out more about our glass enhancements.
Who is Sternfenster?
Established in 1974, Sternfenster became one of the UK’s largest trade fabricators of uPVC and aluminium windows and doors. Currently run by Mike and Simon Parczuk, the original founders’ sons, we continue to deliver high-quality products nationally but with the values of a family-run business.
We are proud to have over 50 years of manufacturing at Sternfenster and are fully committed to UK homeowners and offering sustainable products and services wherever possible. Working closely within the trade and retail industry, we offer nationwide delivery across our comprehensive portfolio.
Does Sternfenster offer any warranties for their products?
We offer competitive warranties, lead times as fast as five days and outstanding aftercare.
Frequently Asked Questions
What types of glass enhancements do you offer?
We offer bio-clean glass, noise reduction units, decorative glass, astragal and Georgian bars as well as obscured and patterned glass to suit the needs of your project.
Why choose Sternfenster?
As a member of our approved installer network, you can gain the advantage of exclusive product guarantees, marketing materials and excellent security guarantees.
How fast are your lead times?
We offer exceptionally fast lead times as low as five days without compromising on quality. Contact us today to find out more about our glass enhancements.
Who is Sternfenster?
Established in 1974, Sternfenster became one of the UK’s largest trade fabricators of uPVC and aluminium windows and doors. Currently run by Mike and Simon Parczuk, the original founders’ sons, we continue to deliver high-quality products nationally but with the values of a family-run business.
We are proud to have over 50 years of manufacturing at Sternfenster and are fully committed to UK homeowners and offering sustainable products and services wherever possible. Working closely within the trade and retail industry, we offer nationwide delivery across our comprehensive portfolio.
Does Sternfenster offer any warranties for their products?
We offer competitive warranties, lead times as fast as five days and outstanding aftercare.
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