Our uPVC bifold doors are more than entryways; they’re statement pieces that effortlessly connect your indoor and outdoor spaces.
Bifold uPVC doors, also known as folding doors or accordion doors, consist of three or more panels that fold and slide against each other. The folding design creates a wide opening, providing unobstructed views and flooding your home with natural light.
Even in small spaces, our uPVC bifold doors stand out. They fold neatly, saving space, and when opened, seamlessly connect your indoors with the outdoors.
Our uPVC bifold doors are ideal for enhancing the connection between indoor and outdoor spaces, making your home feel open and inviting. Commonly used in patio, deck, and garden areas, their contemporary and stylish look will elevate your home.
Customise your living environment effortlessly. With a range of finishes and configurations, you can tailor these doors to your unique style and architectural preferences,
Choose from our range of colours and finishes that best complements your project while offering durability ensuring a cohesive and long-lasting appeal.
Consider energy efficiency, aesthetics, and durability, balancing functionality and design with glass options, coatings, and framing materials.
When selecting from our range of door and window handles and hardware, prioritise functionality, durability, and aesthetic compatibility with your space.
Blinds and screens for doors offer privacy and protection from insects while allowing fresh air and natural light to filter through, enhancing the comfort and ambiance of indoor spaces.
Pet doors provide convenient access for animals to enter and exit homes autonomously. Pet doors come in various sizes and designs to complement the style of your home.
All our products are backed by warranties offering assurance against any defects or product malfunctions, providing peace of mind.
NK’s doors are well-known for their outstanding insulation, taking full advantage of the natural thermal efficiency of their materials. The uPVC acts as an effective insulator, helping to minimise heat loss during the winter and reduce heat gain in the summer. The multi-chambered frame design, along with double-glazed units that include low-emissivity coatings, greatly enhances the insulating performance of these windows. This leads to lower energy usage, reduced heating and cooling costs, and greater comfort throughout the year. By choosing these windows, you’re making an eco-conscious choice to lower your carbon footprint and support the creation of sustainable, energy-efficient living environments.
When fully opened, our uPVC Bifold Doors provide a large and wide opening that blurs the boundary between the interior and exterior, connecting the two spaces.
Bifold doors typically feature large glass panels, allowing ample natural light to create a bright, open, and inviting atmosphere
You also have the flexibility to open the door system partially or fully. This gives you control over the amount of space you want to open up.
Perfect for use in areas with limited space, such as patios, balconies, and small rooms as they fold into a neat concertina-style when opened, for maximum space efficiency.
Our uPVC bifold doors are highly effective at insulating against sound, greatly reducing the infiltration of external noise and fostering a quieter indoor atmosphere. Expertly engineered, these doors boast a sturdy construction and specialised seals that form a tight barrier against sound transmission. The natural sound-dampening properties of uPVC, combined with the design of our bifold doors, offer an extra layer of noise reduction, helping to minimise disturbances from traffic, neighbours, or other external sources. By creating a peaceful environment, uPVC bifold doors provide homeowners with a serene retreat, enhancing both comfort and relaxation within their living spaces.
Whether you’re starting a renovation project or building new, the path to creating homes that stand out starts with NK Windows. No matter the size of your project or the scope of your vision, our team is here to guide you through every step of the process.
You can trust us to turn your dreams into reality and your house into a home.
The uPVC profile undergoes precision cutting and welding, with steel insertion and the fitting, testing, and glazing of opening and locking hardware all taking place in our Christchurch factory. Our glass is custom processed and cut by Viridian Glass.
PVC is short for polyvinyl chloride, a type of plastic widely used in construction and various industries since the 1950s. uPVC, or unplasticised PVC, is a specific form of PVC that is highly suitable as a material for window frames.
Its versatility allows it to be used in diverse applications, ranging from window and door frames, to everyday items like credit cards, water bottles, and blood bags.
Security is at the forefront of our design philosophy. We can assure you that NK Windows uPVC range of doors are built with your safety in mind. Our doors feature advanced locking mechanisms and sturdy construction, making them a strong barrier against unauthorised access. Rest easy knowing that your home’s security is a top priority for us.
Absolutely. The roots of uPVC in residential settings trace back to 1959 when the first commercially available windows and doors graced homes in Germany. Over the years, technology has advanced, and yet, some of those very first uPVC units are still standing strong. More than 60% of European homes now boast the reliability of uPVC windows and doors.
Absolutely. All our uPVC products are specifically engineered with New Zealand’s climate in mind, including those intense UV rays. The same robust formula stands resilient in other high UV areas around the world, from the Middle East to Australia and Latin America.
Definitely. Many of our customer projects involve renovations. We understand the importance of preserving character, and our robust uPVC windows and doors are perfect for bungalows and villas.
No. “uPVC” refers only to the frame material. We have access to the same glass options as aluminium and wood door and window suppliers through our partnership with Viridian Glass based in Christchurch. Most common options include:
Regular cleaning and maintenance are essential for all doors and windows, as they can accumulate stains and damage over time due to pollution, weather, and various other factors. By adhering to proper cleaning and maintenance guidelines, you can optimize the appearance, functionality, and longevity of your doors and windows.
To simplify the process, we have created a straightforward guide to assist you in caring for your home.
Navigating the regulations for planning permission can be intricate and perplexing, particularly in determining when it is required or not. Permitted Development offers the opportunity to undertake specific home development projects without the necessity for planning permission. However, it is crucial to accurately adhere to planning guidelines to prevent any costly errors. Talk to one of our team today to find out more.
uPVC is known for its excellent thermal insulation properties. Bifold uPVC doors contribute to energy efficiency by helping to maintain a consistent indoor temperature.
Bifold doors have two or more panels connected by hinges. When the door is opened, these panels smoothly fold and stack against each other into a compact configuration. The hinges are designed to withstand frequent folding and unfolding.
Our bifold doors are equipped with robust locking systems, making them difficult to break into ensuring security when the doors are closed for your peace of mind.
Everything you need to know about choosing the right windows and doors for your project with tips and advice, resources and much more.