Special sealing device: For the sealing dead corners of the upper and lower corners of the conventional edging, Bucalu has designed a special sealing device to make the slide window more capable of sealing.

Systematic drainage design: The series design of lower frame stepped drainage structure, the outdoor independent track, and the wind pressure-resistant drainage hole cap make the drainage of doors and windows more smooth, and improves the processing efficiency and optimizes the cost.

Special sliding components: Stainless steel rails, which are smooth durable for pushing and pulling; Special pulley kit for slide window with longer service life is more wear-resistant; Overall smooth and vibration free sliding, more stable performance, and more comfortable use.

Safety hardware system: Multipoint locking system effectively improves locking strength and ensures safety performance.

Anti-misoperation device: Users cannot proceed, if they misoperate the handle, so as to avoid damage to doors and windows and make doors and windows more durable.

Simple and lightweight appearance: The overall appearance is beautiful and simple, without taking up indoor and outdoor space, harmoniously blending with the architectural space.