The hinges are installed on one side of the window sash and connected to the window frame. According to the outward or inward opening, this type of window is divided into outer casement window and inner casement window. The characteristics of this kind of window are: simple structure, flexible opening, easy to clean, and good sealing performance when closed, and it is the most widely used window type in civil construction. A style of window in a folk house. The opening and closing of the window sash moves along a certain horizontal direction, so it is called "casement window". Flip window and sliding window two kinds. There are multiple single Windows, which turn upward when opened and are fixed by the iron rod support on the window frame; Some also turn down and open to a certain extent to hold the chain on the window frame. Push and pull more than two Windows. When opening and closing, the window sash slides horizontally along the slot of the window frame, or slides up and down. The front window of the houses in the northern Siheyuan is mostly turned over. The center of the window is inlaid with wooden mullion and pasted with white paper. When the window is opened, it turns outward. In the south, it is also common to flip Windows in the attic and ceiling.

Rubber strip has been used in recent years, EPDM, which can ensure better elasticity and anti-aging performance, but the glass groove rainwater with rubber strip will still leak into it, so we need to milling drainage holes and slots.

The water tightness of aluminum window is related to the strength of aluminum alloy door and window members, rubber strip section and material, drainage system, window structure design, etc.

Kdsbuilding is a comprehensive company integrating the development, production and sales of aluminum alloy decorative doors and windows

In recent years, both aluminum alloy doors and windows and broken bridge aluminum alloy doors and windows are very popular with the market and consumers because of their long service life and beautiful appearance.

This glass window suit for home and office,made by thermal-break aluminium profiles of very good heat insulation and energy saving performance.

The hardware of aluminium casement window is German brand or Chinese top brand (optional).

KDS supply aluminum folding door 38. Designed for large openings, aluminum folding doors offer outstanding flexibility and space-saving performance. Reinforced aluminum profiles support large glass panels, while high-quality rollers ensure smooth and quiet operation. Ideal for patios, balconies, and commercial entrances, the door system enhances ventilation, natural light, and architectural style. series: 73 series thermal break opening style: folding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23