Kozijnen Unie – Wholesale & installation of plastic and aluminum window frames
Frames Union
Welcome to the leading Dutch wholesaler for uPVC and aluminium window frames! We supply contractors, construction companies, and private individuals. Easily order top-quality window frames and opt for expert installation by our professionals. This way, you are always assured of a perfect end result!
Many top brands
Kozijnen Unie supplies uPVC and aluminium window frames from top European brands such as Aluprof, Aluplast, Reynaers, Gealan, K-vision, and Schüco. With us, you benefit from high quality and a 10-year warranty on all our window frames!
Fair price
Together, we ensure a final product that meets the highest quality standards and requirements. Our experienced installers professionally install the frames , so you are assured of a sleek and durable result.
Get a quote quickly
Requesting a quote is always free and without obligation. Personal contact and guidance on your project is what sets us apart. Kozijnen Unie – your partner in supply and installation!
Frames Union
Your wholesaler for Plastic and aluminum frames, Frames Union
Wholesale & installation of uPVC and aluminium window frames
- Production according to strict European standards
- Locks and fittings with police quality mark
- All types of glass available
- Wide choice of colours and foils
- Personal contact via app, telephone or email
- Direct answers to questions on working days
- Free advice for complex projects
- 10 one-year warranty on window frames
- Option for assistance or full installation
- Short delivery times
- Dutch company with Dutch-speaking staff – clear communication without misunderstandings
We first discuss your requirements with you and determine which profiles best suit the project and budget. We then draw up a plan so that you can easily and hassle-free request a clear and competitive quote for top-quality custom European window frames .
- Our own team of professionals takes care of the complete installation of your window frames. This way you are assured of a smooth, durable and professional end result without any worries.
For your windows, you can choose triple or HR++ glass. Either version is available. The Ug value of our triple glass is 0.5, and of our double HR++ glass, Ug is 1.1.
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OUR SERVICES
Create a complete service for your construction projects or renovation at Kozijnen Unie
Our experts start with professional advice on all the possibilities we offer. With Kozijnen Unie, you are assured of top-quality window frames from the best brands. Our own team of professionals is ready to support you from A to Z – from purchase to full installation, assistance with placement, or even self-installation . We also deliver and install our window frames in Belgium!
Informational interview
At Kozijnen Unie, we are happy to go the extra mile to ensure that you, as customers, receive the best window frames that suit their needs and wishes.
Installation
Our professionals install window frames daily. If your team gets stuck, our specialists are ready—from walk-along services to full installation.
10 year warranty
We will still be there for you even after the purchase! The real service only begins once the window frames have been installed; we will not disappoint you in this regard.
Grants
The highest government subsidies available apply to all our glass and frames. Our expert advisors would be happy to tell you more about the various options and subsidies, so that your customers can benefit fully from the financial advantages.
Frames
SOMETHING FOR EVERYONE
Many brands in our rangeWhich window frames your customers choose depends on taste and budget. There are several types of window frames available. Below you will find our brands.
Always ask your questions without obligation using the option below!
FRAMES UNION
Create a complete service for your new project Frames Union
Our experts offer expert advice where necessary and provide you with a clear, competitive quote as the basis for your order.
At Kozijnen Unie, you are assured of the best the market has to offer. Our in-house team of professionals provides support where necessary and responds quickly to questions or contact.
We understand that window frames are a significant investment. That is why we offer comprehensive service, clear communication, and – if desired – professional assistance with installation. With Kozijnen Unie, you choose quality , craftsmanship, and reliability.
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Frames
Window Frames Wholesale for Contractors, Construction Companies and Private Individuals
Welcome to Kozijnen Unie – the Dutch wholesaler for uPVC and aluminium window frames . Easily order top-quality window frames and choose delivery or complete installation by our own skilled professionals. This way, you are always assured of a perfect end result.
Kozijnen Unie specializes in high-quality window frames for contractors , construction companies, and DIY enthusiasts. We supply only products that meet the strictest European standards and possess all necessary certifications. Thanks to competitive prices, short delivery times, and personal service, we always offer the best solution for your project.
Whether it concerns uPVC frames , aluminium frames, front doors, or custom window frames – we supply fully custom-made products and can install them professionally if desired. This ensures your project does not experience unnecessary delays.
Why choose Kozijnen Unie?
We distinguish ourselves through quality, service, and flexibility. Our window frames are durable , low-maintenance, and come with a long warranty. Moreover, you benefit from expert advice and support at every stage of your project.
Our 12 key points:
Install it yourself or have it fully assembled – You choose: we assist with assembly or take care of the entire installation.
Quality guaranteed – Production according to strict European standards.
Safety first – High-quality hinges and locks with police approval.
Flexibility in glass – From HR++ and triple glazing to safety glass and soundproof glass.
Extensive color selection – All colors and films available.
Personal Dutch contact – Always available via WhatsApp, phone, or email.
Fast response – Immediate answer on business days.
Free advice – Free professional advice on complex issues.
10-year warranty – Certainty and confidence in every window frame.
Competitive prices – More affordable than many competitor suppliers.
Professional installation – Our experienced installation team takes care of the complete installation.
Short delivery times – Efficient production and logistics ensure fast delivery.
Contact us
At Kozijnen Unie, we are ready to provide you with the best window frames and complete service – from delivery to full installation. Curious about our products and prices? Request a no-obligation quote today and discover the benefits of working with a reliable wholesaler.
At Kozijnen Unie you can count on quality, craftsmanship and excellent service.
News and tips Frames Union
Choosing a uPVC window frame supplier: factors to consider when purchasing
What do you look for when choosing a uPVC window frame supplier? Practical criteria for buyers: profile systems, delivery time, service, and stock.
Supplier of uPVC window frames: what to look for when making your choice?
Choose the right supplier of uPVC window frames for your trade stock. Profile systems, delivery times, quality standards, and trade advantage.
Choosing a uPVC window frame supplier: what to look for as a B2B buyer?
Choosing a uPVC window frame supplier? Pay attention to the profile system, quality, delivery time, and B2B conditions. Practical checklist for buyers.
Tilt-and-turn window off hinge: causes and professional solutions
Tilt-and-turn window off hinge? Read about the causes, preventive measures, and when repair or replacement is necessary for installers and buyers.
French doors to the garden: specifications and trade benefits for installers
French doors to the garden in synthetic and aluminium. Specifications, profile systems, insulation values, and delivery options for professionals.
Insulated folding wall: specifications, systems and applications for installers
Insulated folding wall: thermally broken profiles, glazing, and system requirements. Technical information for buyers and installers.
At our wholesale company, living comfort takes center stage. Together with you, we ensure a perfect living experience and an appearance that seamlessly fits every project, while you save significantly compared to other suppliers.
We save on expensive commercial premises and purchase directly from the manufacturer. By buying in bulk and working with our own installation team, we achieve savings of at least 20% , with the same quality and guarantees as elsewhere. Moreover, thanks to our efficient working methods, we deliver window frames to site lightning fast.
Our range consists of high-quality aluminium frames from brands such as Reynaers , Aluprof, Aliplast, and Schüco, complemented by various glazing options such as HR++ and triple glazing. For uPVC frames, we work with top brands such as Gealan , Aluplast, K-vision, and Schüco.
Did you know that all our window frames and glass products qualify for government subsidies ? This ensures your customers receive the maximum benefit. Contact us today and discover how we can realize your project together!
OFFERS
OFFERS
Request a quote for your window frames?Our purchasing power and efficient working methods ensure exceptionally competitive rates. By buying in bulk and operating without expensive business premises, we save up to 20% compared to other providers. Our in-house team of professionals provides fast, professional support, ensuring your project runs smoothly and you receive prompt answers to your questions.
Easily order high-quality window frames and choose expert assistance with assembly or complete installation . Our professionals provide step-by-step instructions on-site or take the installation entirely off your hands. This way, you are always assured of a perfect end result.
- Production according to strict European standards
- Locks and fittings with police quality mark
- All types of glass possible (including HR++ and triple)
- All colours and foils available
- Personal contact via app, telephone or email
- Direct answers to questions on working days
- Free advice for more complex issues
- 10 year warranty
- More affordable than fellow suppliers
- Assistance with installation or complete assembly
- Short delivery times
- Dutch company with Dutch-speaking team – clear communication
Request a quote? Email offerte@kozijnenunie.nl or use the quote form below.