Windows and Doors in Dublin & Across Ireland
Quantum Glazing supplies and installs windows and doors in Dublin and across Ireland. Explore premium aluminium, uPVC and steel windows, sliding doors and bespoke glazing solutions for residential and commercial projects.
Why Choose Quantum Glazing
Looking for windows and doors in Dublin? At Quantum Glazing, we supply and install premium windows, doors and glazing solutions for homes and commercial properties across Ireland. From the initial consultation to professional installation, our experienced team provides practical advice and precise measurements tailored to each project.
Whether you’re replacing existing windows, choosing new sliding doors or planning a bespoke glazing project, we focus on reliable service, attention to detail and a high standard of workmanship.
In addition, we work with established European manufacturers, including Reynaers Aluminium, Aluprof, Yawal, Schüco, REHAU and Salamander. As a result, we can offer a wide selection of high-quality aluminium and uPVC window and door systems.
Learn more about Quantum Glazing and our approach.
Sliding Doors in Ireland
Explore our range of sliding doors, designed to bring more natural light into your home and create a seamless connection to your outdoor space. Quantum Glazing supplies and installs modern sliding patio doors for homes and commercial projects in Dublin and across Ireland.
For a contemporary look, choose our aluminium sliding doors with slim frames and large glass panels. Alternatively, discover our PVC sliding doors, which offer excellent thermal insulation and everyday comfort.
Whether you’re renovating, planning a home extension or replacing existing patio doors, our team can help you find the right sliding glass doors for your project. As a result, you can enjoy a brighter living space with a design that suits your home.
Windows, Doors & Glazing Solutions
SLIDING DOORS
Modern aluminium and uPVC sliding doors designed to maximise natural light and connect indoor and outdoor spaces.
uPVC WINDOWS
Energy-efficient uPVC windows offering excellent insulation, durability and a choice of styles for Irish homes.
ALUMINIUM WINDOWS
Slim-profile aluminium windows combining contemporary design, durability and excellent thermal performance.
What Our Customers Say
“A very good service- from the quotation to the Installation i felt very well taken care of.”
“Very good experience with this company, had all windows and door replace recently. Fast and clean service, highly recommend!”
“Everything was completed professionally, very clean and on time.”
“Excellent work done by Sebastians Quantum Glazing Ireland. The product is top quality, triple glazing, smooth windows and doors motions. The work looks really ...”
“The UPVC windows they installed are top-quality and have significantly reduced my energy bills. The crew was punctual, clean, and respectful of my property.”
“The whole process was smooth and stress-free. The team was punctual, professional and paid great attention to detail.”
Why Choose Quantum Glazing?
Experience, professional installation and quality you can rely on.
15+ Years Of Experience
With over 15 years of hands-on experience, we bring practical knowledge to every project, whether residential or commercial.
Warranty & One Free Service
We provide a warranty after installation and include one free service to help keep your windows and doors working properly.
Professional Installation
Our experienced installation team ensures a precise, clean and efficient fit, working to high standards at every stage.
Trusted Systems & Materials
We work with established European manufacturers and proven glazing systems selected for performance and durability.
Reliable Project Coordination
From initial measurements to final installation, we coordinate each stage to keep the process clear and well organised.
Window Replacement in Dublin & Across Ireland
Replace outdated windows with energy-efficient uPVC or aluminium systems designed to improve comfort, insulation and the appearance of your home. In addition, modern glazing can help reduce heat loss and make your living space more comfortable.
Whether you need to replace a single window or are planning a whole house window replacement, Quantum Glazing provides expert product advice, supply and professional installation in Dublin and throughout Ireland.
Explore our uPVC windows and aluminium windows to find a solution that suits your property. Our team can also help you compare the available styles, finishes and glazing options before making your decision.
Windows and Doors Dublin – Supply & Installation Across Ireland
Quantum Glazing is based in Sandyford, Dublin, providing window, door and glazing solutions for residential and commercial projects across Ireland.
We work with customers in Dublin, Meath, Wicklow, Kildare and beyond. Whether you’re planning a window replacement or a new glazing project, our team can help you find the right solution. In addition, we provide advice on suitable materials, glazing options and installation requirements.
Contact our team to discuss your project and request a tailored quote.
Ready to Start Your Project?
Planning new windows, sliding doors or bespoke glazing? Whether you're replacing existing products or starting a new project, Quantum Glazing can help you choose the right solution. In addition, our team provides professional supply and installation throughout Dublin and across Ireland. Contact us today for a free, tailored quote.