Premium performance
at a great price.
NK’s uPVC windows and
doors are the most economical
high-performance fenestration
available on the market.
Lift and slide door
Effortless Elegance with Floor-to-Ceiling Lift-and-Slide Doors
Bring the beauty of the outdoors in with our lift-and-slide doors featuring expansive floor-to-ceiling glass panels. Designed for smooth, easy movement and a perfect seal, these doors provide exceptional performance, security, and energy efficiency.
Enjoy panoramic views, abundant natural light, and a sleek, modern look that connects your indoor and outdoor spaces seamlessly. Elevate your home with a touch of luxury and innovation.
Lift-and-slide: where functionality meets breathtaking design
lift and slide window
Configurations Available in upvc:
We believe in being
Beautiful & Simple
X60 Series
The X60 Series offers a balanced approach to insulation, security, and customization, tailored for energy efficiency and durability:
Thermal Insulation: The X60 Series achieves a U-Factor of25-BTU/ft²·°F·h, utilizing double glazing and four-chamber profiles for effective energy savings.
- Solar Control: With aSolar Heat Gain Coefficient (SHGC) of 0.20, the X60 minimizes heat gain, helping to maintain cooler interiors and reduce reliance on cooling systems.
- Air Tightness: Featuring a low air leakage rate of 0.06 CFM/ft², the X60 provides a secure, tight seal that helps prevent drafts and promotes comfort.
- Condensation Resistance: With aCondensation Resistance Factor of 60, the X60 effectively reduces interior condensation, enhancing window clarity and preventing moisture issues.
- Sound Insulation: The multi-chamber design supports soundproofing with ratings of32-34 dB, creating a quieter indoor environment.
- Structural Durability: Reinforced with galvanized steel, the X60 is built for long-term strength and security.
- Weather Resistance: The uPVC material offers resilience against UV rays, humidity, and temperature variations, suitable for a range of climates.
- Color Options: Available in three standard frame colors, with45+ additional color combinations for customized style.
X70 Series
The X70 Series combines premium performance and customizability for optimal insulation, durability, and aesthetic options:
Enhanced Thermal Insulation: With a U-value 17 BTU/ft²·°F·h), the X70 Series offers high energy efficiency through its multi-chamber profile and triple glazing.
Superior Solar Control: Achieving a Solar heat gain coefficient (SHGC) of 0.15, the X70 effectively limits solar heat entry, helping maintain comfortable indoor temperatures and reduce cooling costs.
Exceptional Air Tightness: An ultra-low air leakage rate of 0.03 CFM/ft²ensures a tight seal, reducing drafts and improving indoor comfort.
High Condensation Resistance: With a Condensation Resistance Factor of 70, the X70 minimizes interior condensation, keeping windows clear and reducing moisture risks.
Sound Insulation: Multi-chamber design delivers effective soundproofing with noise reduction ratings of 36-40 dB.
Reinforced Security: Galvanized steel reinforcement and multi-point locking systems ensure structural stability and added security.
Weather Resistance: Built to withstand extreme temperatures, UV exposure, and harsh weather, ensuring lasting durability.
Extensive Color Options: Available in three frame colors, with 45+ color combinationsfor added personalization.
With its high energy efficiency, solar control, and sound insulation, the X70 Series is an ideal solution for residential and commercial spaces in need of advanced performance and style flexibility.
