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IN A CLASS OF THEIR OWN

Innovative Design, Unmatched Quality

The StyleLine difference

StyleLine – the revolutionary welding process that eliminates the grooving stage. Use the slider below to see the StyleLine difference for yourself.

AFTER

BEFORE

Why StyleLine?

Exclusive to Sternfenster, the StyleLine range of windows and doors sets the standard for performance in the industry.

We manufacture StyleLine windows with state-of-the-art technology. Our modern uPVC windows outperform other products in both quality and performance.

Our windows undergo stringent quality control at our facility to ensure every design has a flawless finish. We supply nothing short of the best.

StyleLine windows have a smooth finish. With no grooving stage, there is no loss of vinyl at the corner joint. This trademark makes our windows unique.

There is no corner cleaning stage. The excess plastic is pushed inside the chambers for a tidier, more appealing finish. We transform the manufacturing process to build better.

With multi-point shoot bolt locking, internal beading and superior weld strength, StyleLine windows are extremely secure.

Superior Quality

Revolutionary welding process eliminates grooving stage

With cutting-edge Quad Welder technology, we can produce smooth, seamless frames. No vinyl is lost at the corner joint, keeping both the frame and sash tough and durable.

StyleLine windows impress both visually and with their stunning performance. Transform the home with beautiful windows that can add value to the property.

Unique Design

No grooved corners

Unlike other uPVC windows, StyleLine does not have grooved corners. Excess plastic is pushed inside the chambers for a tidy finish.

These windows stand apart from others due to our revolutionary machinery. The unique quality of the manufacturing is evident against competitor products.

Highly Secure

Shootbolt locking

Highly secure, each StyleLine window comes with a multi-point shootbolt locking system, with key locking handles as standard. They are internally beaded for additional protection.

Our StyleLine windows and doors are compliant with the British Standard Kitemark and Secured by Design standards. You can have peace of mind that these windows are designed in line with police security specifications.

StyleLine Windows
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Superior Quality

Revolutionary welding process eliminates grooving stage

With cutting-edge Quad Welder technology, we can produce smooth, seamless frames. No vinyl is lost at the corner joint, keeping both the frame and sash tough and durable.

Build your reputation and drive your sales with StyleLine windows. They are suited to properties of all styles, making them an easy sell for a wide range of customers.

Unique Design

No grooved corners

Unlike other uPVC windows, StyleLine does not have grooved corners. Excess plastic is pushed inside the chambers for a tidy finish.

These windows stand apart from others due to our revolutionary machinery. The unique quality of the manufacturing is evident against competitor products.

High Security

Shootbolt locking

Highly secure, each StyleLine window comes with a multi-point shootbolt locking system, with key locking handles as standard. They are internally beaded for additional protection.

Our StyleLine windows and doors are compliant with the British Standard Kitemark and Secured by Design standards.  Give your customers consumer confidence with Secured by Design accreditation.

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StyleLine profile options

Choose a flush sash or chamfered profile with authentic timber styling.

flush

chamfered

Handles & Hardware

Styleline windows are available with a range of high performance handles. Choose window handle colours to match the property style.

Beautiful Colours

Styleline windows stand out when matched with the perfect colour. We offer durable, hard-wearing colours that will maintain their vibrancy for many years. Preview our traditional and modern range to explore our wide range of colours.

casement whitewood
casement white
casement rosewood
casement nuttree
casement irish oak
casement golden oak
casement cream
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Twin Casement Window
Grey Casement Windows
Casement Window Styles
Replacement Casement Windows
casement rosewood
casement nuttree
casement irish oak
casement golden oak
Vinyl Casement Window Prices
Window Colours
What is a casement window
Casement Window Hardware
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Bespoke Glazing

We offer a range of beautiful, bespoke glazing options. Made to measure and specialist designs are available, along with solar and privacy glass options.

Steel reinforcing and internal beading for strength

StyleLine windows are exceptionally strong. The uPVC material is bolstered with steel for strong reinforcement. The glazing is also internally beaded which prevents intruders from prising into the unit from the outside. All security is in line with the latest European standards, giving you complete
peace of mind that your home is secure.

Steel reinforcing, internal beading and incredible weld strength make our products exceptionally strong. The steel reinforcement of the uPVC enhances the rigidity, offering greater protection against the elements.

StyleLine windows are internally beaded in line with the latest European security standards, including BS7950 and PAS24. Additional claw locking is available for enhanced protection.

Fabricator factory

State-of-the-art-machinery

Our StyleLine windows are manufactured using state-of-the-art technology, which enables us to produce uPVC products of superior design and quality. These windows provide you with a consistent, high quality finish throughout.

Every window goes through a stringent manufacturing process to provide you with a flawless design and stunning aesthetics.

StyleLine windows are unique in that our technology completely removes the grooving stage. Our machinery removes the corner joint which provides a unique flush finish.

Partner with us for access to our state-of-the-art technology. At Sternfenster, we supply unique products at competitive trade prices.

FREQUENTLY ASKED QUESTIONS

How is StyleLine different to other uPVC windows?

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Why choose Sternfenster?

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