Aluclad Windows
Four ranges of premium aluminium-clad timber windows, combining natural character with low-maintenance aluminium cladding and exceptional thermal performance.
A Complete Range of Bespoke Glazing Systems
From triple-glazed Aluclad windows for Passive House projects to traditional timber sash windows for heritage settings, our product range is designed to offer the right solution for every build. Custom in every detail, and specified to perform.
- Windows
- Doors
- Curtain Walling
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Precision Craftsmanship Across Every Product
Every product in the Zyle Fenster range is manufactured to exacting standards, combining carefully selected durable materials with over 25 years of technical knowledge. The result is glazing that performs as well as it looks – for the lifetime of the building.
Our product range spans modern Aluclad windows and doors, traditional timber sash windows, large-format sliding doors, and curtain walling systems. Whether for a new custom build or a sympathetic renovation, each solution is tailored to the project’s specific performance and design requirements.
Energy Efficiency and Sustainability by Design
Reducing heat transfer and improving thermal performance are central to how we design and specify every product. Our triple-glazed systems are built to meet Passivhaus thresholds, helping homeowners achieve a more comfortable living environment while significantly reducing energy consumption year-round.
Environmental responsibility is not an afterthought. We use FSC-certified timber, carry Blue Sky Certification, and continuously refine our product range to meet and exceed modern sustainability standards – giving clients, architects, and specifiers genuine peace of mind.
Frequently Asked Questions
Find answers to some of the questions we hear most often from architects, specifiers, and self-build clients. For anything not covered here, our technical team is happy to help.
Contact UsOur triple-glazed Aluclad windows typically achieve whole-window U-values from 0.8 W/m²K, with Passivhaus-certified options available depending on the system and specification.
For most new builds and low-energy projects, yes. Triple glazing significantly reduces heat transfer, improves acoustic performance, and can make a meaningful difference to energy bills and comfort.
Yes. Select systems within our Aluclad range meet Passivhaus certification requirements. We work with Passive House consultants to ensure products are correctly specified for each project.
We manufacture bespoke windows and doors to suit project-specific requirements. Our team can advise on minimum and maximum dimensions during the specification process.
High-performance triple-glazed windows reduce heat loss considerably, contributing to improved BER and EPC ratings and helping homeowners achieve a more comfortable, energy-efficient living environment.
Our Projects
Clifden, Ireland
Find out more about Clifden, IrelandDublin, Ireland
Find out more about Dublin, IrelandWorlds End, Ireland
Find out more about Worlds End, IrelandBallyorban, Ireland
Find out more about Ballyorban, IrelandWhat our customers say
We purchased a combination of Alu-Clad windows, Lift & Slide doors and entrance glazing from Zyle Fenster for our family home.
Every member of the team was knowledgeable, approachable and highly professional. Manufacturing quality is outstanding and the installation was carried out with real attention to detail. Even after completion, they followed up to ensure everything was perfect.
It’s rare to find a company that delivers exactly what they promise. We would happily recommend Zyle Fenster to anyone building or renovating a home.
Seán & Emma R. – County Meath
Our architect specified Reynaers aluminium systems and recommended Zyle Fenster for the supply and installation.
The large glazing panels have completely changed the feel of the house while maintaining excellent thermal comfort throughout the winter. The installers were meticulous and every junction was finished beautifully.
It’s refreshing to work with a company that genuinely cares about delivering a quality result.
Niamh F. – County Clare
We chose Schüco aluminium windows and doors through Zyle Fenster for our contemporary home.
Everything about the experience was professional. From technical advice through to installation, the team demonstrated real expertise. The slim profiles look fantastic and the quality of the finish is exactly what we hoped for.
A premium product installed by a premium company.
David L. – County Waterford
Our conservation project required slim glazing without compromising performance, and Zyle Fenster recommended their vacuum glazed timber sash windows.
The result is outstanding. The traditional appearance has been preserved while the improvement in warmth and noise reduction is remarkable. You simply wouldn’t know they contain such advanced technology.
Excellent communication, excellent installation and an exceptional product.
Michael & Sarah K. – County Kilkenny
Finding authentic timber sash windows that also met modern energy standards wasn’t easy until we found Zyle Fenster.
The finished windows perfectly suit our Victorian home while dramatically improving comfort. They operate beautifully and the attention to detail is outstanding.
The installation team treated our home with great respect and left everything spotless each evening. We have received countless compliments from neighbours.
Margaret C. – Dublin
We wanted a large glazed feature overlooking the garden while still achieving excellent thermal performance. The timber curtain wall supplied by Zyle Fenster exceeded every expectation.
The craftsmanship is remarkable and the amount of natural light it brings into the house is incredible. Our architect was particularly impressed with the technical knowledge and attention to detail shown throughout the design process.
Professional, reliable and extremely high-quality workmanship.
Patrick D. – County Wicklow
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Talk to Our Team
Whether you are an architect specifying for a new project, a self-builder planning your custom home, or a developer working to a programme, our team is here to help. Get in touch for technical advice, product information, or to request a quote.
- Unit 12L
- Six Cross Roads Business Park
- Kilbarry, Waterford
- X91 Y985
