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China Suppliers Factory Star Diamond 80 Series Thermal Break Folding Door for Energy Efficiency and Durability
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China Suppliers Factory Star Diamond 80 Series Thermal Break Folding Door for Energy Efficiency and Durability

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  • Profile basic thickness 2.2mm
  • Standard glass configuration 5+27A+5
  • Frame/Sash heat insulation strip width 20/29 mm
  • Sash thickness 72mm
  • Frame width 80mm
  • Total width of the visible surface of the folding sash 120mm
  • Hardware basic load-bearing 120KG
  • Max. Size of sash Width(500-1000) Height 3200mm
  • Track Supports high/low track solutions, cannot produce trackless

Video Show
Product Introduction
Star Diamond 80 Series Thermal Break Folding Door
  • Gate type rule: N+0, N+1, or N+N, N ≥ 3 and must be singular;
  • Install lock inside and the key outside the room;
  • There are two design options: internal folding and external folding;
  • Can only make odd numbered sash, cannot make even numbered sash
Product Process Details Display
The fixed window adopts 80 series splicing
The fixed window adopts 80 series splicing
When the door width is greater than 6000, it adopts connection scheme
When the door width is greater than 6000, it adopts connection scheme
Narrow sash design
  • The locked door sash is flush design for both inside and outside
  • The total width of the visible surface of the folding sash is up to 120mm
“Anti-pinch” structure
  • 13mm gap, anti-trap design, effectively avoiding pinching injuries
Folding door - adjustable function
  • “Gap” adjustment design, 0-5mm function adjustable design; It can insert profiles to adjust gaps, adjust door sash balance, reduce gaps to use more smoothly and have better sealing performance
  • The hardware single sash can bear a weight of 120kg and supports large door sash. The hardware has a more stable load-bearing capacity and has a 9-level wind pressure resistance performance.
Folding door - adjustable function
Star Diamond 80 Series Folding Door Main Features

This product is positioned as a high-end thermal break series, mainly suitable for balconies, corridors, swimming pools, etc. Compared with other door types, the folding door has the maximum opening and provides a broad view, achieving good ventilation effect and avoiding a closed and oppressive use experience.

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Anti-Trap Safety
13mm anti-trap design, preventing children from getting pinch injured and ensuring safety.
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Enhanced Load-Bearing
The lower pulley has a larger load-bearing capacity, with a maximum weight capacity of 120kg per single sash hardware, and has a 9-level wind pressure resistance performance.
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German Premium Hardware
Imported ROTO lock body and HOPPE handle from Germany, hardware with longer service life.
Product Performance
34dB
Sound Insulation
Level 7
Air Tightness (1.0m³/(㎡·h))
Level 4
Water Tightness (350Pa)
Level 9
Wind Resistance (5000Pa)
1.8 w/㎡·k
Uw Value (Heat Transfer)

Star Diamond 80 Series Insulated Folding Doors, a high-end broken bridge insulated series designed to enhance your living space. This innovative folding door is designed to provide a seamless blend of functionality, beauty and performance, making it ideal for balconies, walkways, swimming pools and a variety of built environments.

Star Diamond Series 80 is crafted with meticulous attention to detail, with a profile base wall thickness of 2.2mm ensuring durability and structural integrity. The standard glazing configuration of 5+27A+5, combined with frame/window insulating strips with a width of 20/29 mm, provides excellent thermal efficiency and sound insulation, creating a quiet and comfortable environment.

The folding door leaf is 72 mm thick, the door frame is 80 mm wide, and the total visible surface width of the folding leaf is 120 mm, providing panoramic views and maximizing the introduction of natural light. Standard custom folding door fittings and premium HOPPE handles enhance functionality and aesthetics, enhancing the overall user experience.

In terms of performance, the Star Diamond 80 series excels in safety and reliability. The 13mm anti-pinch design ensures children's safety, the lower pulley enhances the load-bearing capacity, and the hardware can withstand a maximum load of 120 kg, giving you peace of mind and long service life. The ROTO lock body and HOPPE handle imported from Germany further ensure the excellent quality and longer service life of the product.

When it comes to performance metrics, the Star Diamond 80 Series sets new standards. The design sound insulation performance is 34dB, the air tightness can reach 1.0m3/(㎡·h) (level 7), the water tightness can reach 350Pa (level 4), and the wind pressure resistance can reach 5000Pa (level 9). This folding door is good at Create a comfortable and safe indoor environment.

In addition, the design U value [full window heat transfer coefficient] of Uw=1.8w/㎡k highlights the product’s commitment to energy efficiency and sustainability, making it an environmentally friendly choice for modern living spaces.

All in all, the Star Diamond 80 series insulated folding doors redefine the concepts of luxury and functionality, achieving the perfect balance of beauty, performance and safety. Enhance your living space with this unique folding door and experience the perfect blend of innovation and elegance.

Frequently Asked Questions
What are the configuration rules for the Star Diamond 80 Series folding door type?
The door configuration rules require the sash layout to be N+0, N+1, or N+N, where N is greater than or equal to 3 and must be an odd number (singular). Even-numbered sashes cannot be manufactured.
How does the door design prevent pinching injuries?
The door incorporates a specialized 13mm gap, anti-trap/anti-pinch structure design that effectively avoids pinching injuries, making it safer for households with children.
What is the load-bearing capacity of the hardware?
The lower pulley system is designed for high load-bearing capacity, allowing a single sash hardware to support a maximum weight of up to 120kg while maintaining smooth operation.
What kind of hardware brands are used in this folding door?
The Star Diamond 80 Series uses high-quality hardware imported from Germany, including ROTO lock bodies and HOPPE handles, which ensure a longer product service life.
What are the key technical performance ratings of the folding door?
The door achieves a sound insulation rating of 34dB, air tightness of 1.0m³/(㎡·h) (level 7), water tightness of 350Pa (level 4), wind pressure resistance of 5000Pa (level 9), and a whole window heat transfer coefficient (Uw value) of 1.8w/㎡·k.
Can the door be designed to fold both inside and outside?
Yes, there are two design options available: internal folding and external folding, allowing you to choose the configuration that best fits your space.