The trusted aluminium and PVCu supply for trade and commercial projects

Eurocell Logik Flush Sash Windows

With superior security and thermal efficiency, our uPVC flush sash windows marry an attractive aesthetic with high-performance, ensuring they complement any property.


Customisable to fit any space, offering both side-hung and top-hung configurations alongside a versatile array of panels, finishes, and hues to complement every architectural design, be it residential or commercial.

Security Assured

Logik UPVC Flush Sash Windows deliver unparalleled security measures, ensuring robust protection for properties while effortlessly enduring daily usage and environmental challenges.


Opt for elegance with two unique frame options: the sleek Chamfered or the intricately designed Ovolo finish, tailored for Logik UPVC Flush Sash Windows.

Thermally Efficient

Logik UPVC Flush Sash Windows showcase a sophisticated multi-chambered architecture and smart incorporation of uPVC thermal inserts, elevating thermal efficiency to impressive heights with U-Values reaching as low as 0.8 W/m2k.

Lady standing by her lounge window

Benefits of Logik uPVC Flush Sash Windows

Seamless Aesthetic

Achieve a harmonious blend with slim profiles for brighter interiors and consistent aesthetics, featuring a through-colour grey substrate for a flawless appearance.

Diverse Options

Choose from 19 stock frame colours and 32 additional options for full customisation.

Exceptional Thermal Performance

Exceed energy efficiency standards with U-values as low as 0.8* for warmer homes and reduced energy costs.

Market-Leading Sustainability

Made from 100% recycled material, our windows offer eco-friendly solutions with a 10-year guarantee, merging sustainability with superior quality.

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Exceed the latest energy-efficiency standards

Achieving U-values as low as 0.8, our UPVC Flush Sash Windows stand at the forefront of energy efficiency, surpassing the modern standards. This exceptional thermal performance is key to reducing heating costs, enhancing indoor comfort, and minimising environmental impact. Helped by exceptional air tightness and weatherproofing, guarding against drafts and extreme weather

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Logik flash sash windows used in a master bedroom
high angled interior shot of the factory showing the aluminium frames

Designed for quick and hassle-free installation

Our uPVC Flush Sash Windows have been meticulously engineered with the installation process at the forefront of design consideration. They're not just created to enhance the aesthetic and energy efficiency of a property, but also to ensure that installers can carry out their work with the utmost efficiency and precision. Enjoy a straightforward installation with uPVC flush sash windows from TWR Group.

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FAQ: Logik uPVC Flush Sash Windows

Below are some frequently asked questions about Logik uPVC flush sash windows, which deliver market leading sustainability, energy efficiency and technical performance. Find answers to common queries regarding its features, functionality, and usage.

What are the benefits of the Logik Flush Sash?

The Logik Flush Sash is a perfect choice for new build projects or for a contemporary upgrade to older homes. It offers a streamlined finish, exceptional air tightness and weatherproofing, and U-values as low as 0.8.

How energy efficient are your uPVC Flush Sash Windows?

Our UPVC Flush Sash Windows are highly energy-efficient, with U-values as low as 0.8 when equipped with triple glazing, surpassing current energy standards and achieving an A++ energy rating.

What makes UPVC Flush Sash Windows eco-friendly?

Our windows are made from 100% recycled material, demonstrating our commitment to sustainability without compromising on quality. They are designed for long-term environmental stewardship, making them a smart choice for eco-conscious homeowners.

high angled interior shot of the factory showing the aluminium frames

We have been using TWR since we started our company in 2014. They have always given a friendly and efficient service so I would have no hesitation in recommending them to other installers.

Cumbria Windoworks

Having worked with TWR for over eight years and purchasing all our commercial and aluminium products from them I can’t recommend them highly enough. They provide us with high-quality windows and doors efficiently and at a very competitive price

Everglade, Manchester

We have worked with TWR for 10 years, the product supplied is nothing short of excellent, and the enquiry stage is smooth all the way through to the aftercare. Commercial or domestic TWR will advise on and support you through ordering!

TWG, Lincoln

Dealt with Terry and Dawn, simple and to the point ordering of windows and aluminium Bifolds. Very helpful and honest.

Can recommend to anyone!

Dan C