YKK AP Inc.

The new 4G hardware system for wooden sliding doors

The use of sliding doors has a centuries-old tradition in Japanese architecture.
As a Japanese manufacturer, YKK AP has further developed the concept of pure
sliding and is now bringing it to Europe with the new 4G sliding hardware for wooden balcony/terrace doors.

The specially designed bogie wheel and the unique kick-start function for reducing the necessary initial force, ensure easy sliding of the sash.

In addition to design, safety and functionality play an important role. Thanks to the new 4G sliding hardware, the sash is pressed into the all-round seals in parallel manner when locking, and the door remains watertight and firmly locked. Tripping hazards are a thing of the past thanks to the barrier-free, thermally separated threshold made from a high-performance composite material.

APW 431 is a PVC sliding door with triple insulating glazing and Low-E coating and was developed in Japan. The easy operation of the sash is the focal point of this concept and is supported by two main functions:

1. Unique Operating Handle
Pressing lightly downwards with the handle in the unlocked position, a special mechanism pushes the sash away from the side profiles and facilitates sliding of the sash.

2. Tilting Bogie Wheel
When locking, the sliding sash is pressed to the front and into the

As a Japanese manufacturer of architectural products,YKK AP is a specialist for insect screens and can build on a decade-long experience in this field. XMD (for doors) or XMY (for windows) insect screens are more than easy to use with a horizontally sliding mechanism and a discreet but yet sophisticated product design.

YKK AP's sliding insect screens contribute to a comfortable lifestyle:
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• High insect protection
• Unobstructed view
• Slim profiles
• Easy cleaning, maintenance and installation
• Automatic "Self-Catch" closing function