N8200 Aluminum Bi-Folding Door
BNG folding doors add a contemporary edge while being a great space saver. They can be installed at the rear of a home for garden views or used to separate rooms inside.
All sliding doors panels can fold to one side, or split opening from middle to the two sides.
North Tech use top quality thermal break aluminum profiles, safety hinges, multi-point locking system coming from Europe like SIEGENIA or Hoppe . It operates lightly and easily.
The maximum size of folding doors is 20 feet high, 50 feet long.
13mm gap between sash and frame, or between sash and sash, even if the adult fingers are clamped in, it will not cause the consequences of clamping, more safety.
For both interior and exterior application. Thermal and none-thermal options of profiles, slim frame optional.
Profile | Ultra-high precision aluminum alloy 6060-T66, thickness 2.0mm |
Insulation strip | PA66+GF25-S24mm high performance thermal insulation strip |
Strip | High performance EPDM foam composite sealant (25 years warranty) |
Glass | 6+12Ar+6 Low-E warm edge 4SG, TTSP |
Hardware | CMECH, kerssenberg |
Surface Treatment | Powder Coating/Metal Coating/Wood Grain Transfer/Fluorocarbon Paint |
Opening method | fold, push and pull |










Beijing North Tech Windows, devoting to digital technology and scientific researches, is a systematic manufacturer of high-quality aluminum products, including energy-saving thermally broken aluminum windows doors, aluminum clad wood windows doors, UPVC windows and so on. Located at the east coast of China and close to the main seaport, it is one of the largest factories with area of 35,000 square meters. Annual production capacity of 400,000 square meters of windows and doors. It is equipped with top-class processing machines, such as imported automatic processing equipment of Anmei Bestar, online production of sawing center, CNC processing center, Belgian JOOPS design software and others, in order to meet the high precision and fast lead time requirement from high-end commercial and residential projects globally. North Tech Group's products is meeting and exceeding quality standard of North American NAFS, NFRC, CANADACSA, European CE. They were tested and certified by NAMI, IGMC,QAI. North Tech team are consistently strive to provide the finest, most energy saving, hurrican resistant products architecturally. With our Energy Star awarded windows and doors, customers not only get pleasant green buildings, but also get allowance from the government up to 8000USD. Customer's satisfaction is our objective. Sincerely invite you to experience private high-end products by sending us estimation requests.

R&D-Testing-Production-Sales




