Advantages of double hung window windows: Beautiful: If the opening leaf of the external casement window is too large, it is not easy to close, and the construction surface is also messy. Half of the windows on the left and right cannot be opened. In addition to the difficulty in convection of the airflow entering the room, there will also be some obstacles in the planning of some internal spaces. The high and low lifting windows are absolutely flexible in the design of height and width. The surface appears beautiful and light, the high and low window leafs can be divided by different lines, the window frame is simple, the lines are delicate, ventilation and lighting are given equal importance, and there will be no visual obstruction.

double hung windows are a common type of indoor door and window products. They have excellent energy-saving and heat-insulating, dust-proof and noise-reducing, and excellent wind pressure resistance. They have beautiful lines and a wide viewing angle. They will not collide with the human body when opened. The frame and sash are wrapped, so there is no risk of the sash falling outwards. They have excellent safety coefficients and many other advantages. They are widely used in high-rise buildings in North America.

The upper and lower sliding windows have more design flexibility in the slenderness ratio of height to width, and the facade appears beautiful and light. The upper and lower window sashes can be divided by different lines. The window frame is simple and the lines are delicate. Ventilation and lighting are equally important without visual obstruction. The upper and lower window sashes can be adjusted according to the ventilation needs. Because they are not casement or sliding, the setting of screens is also relatively easy, and it is also easy to escape in an emergency. If designed as a continuous lifting window, you can fully enjoy natural ventilation. It is another choice for designers between casement windows and sliding windows.

The up-and-down lifting window is different from the traditional inward opening, outward opening and ordinary push-pull mode. It is one of the two major door and window categories in the world. The broken bridge aluminum of the lifting window series generally adopts the North American injection-type broken bridge insulation technology, and the lifting hardware has a variety of series such as heavy-duty lifting rod hardware. The lifting window has excellent energy-saving and heat preservation, dust-proof and noise-reducing, and excellent wind pressure resistance; beautiful lines, wide viewing angle; no collision with the human body when opened; frame and sash are wrapped, and the window sash has no hidden danger of falling out, and the safety factor is excellent. Different configurations can meet the needs of high-rise commercial or residential projects above 30 floors; they can also meet the needs of super high-rise commercial or residential projects above 60 floors.

Product Description Huge Casement Glass Soundproof Best Price Aluminum Swing Impact Windows Brand Name KDSBUILDING (China) Product Series Aluminum Single Hung Windows Profile Type 6063-T5 Aluminum Profile,Thermal Break & No Thermal Break Profile of international top brand Profile Color Normal Colors:White,Grey,Matt Black,Wood Grain,etc Accessory International qualified hardware of Germany,America,Australia,China Top Brands,etc Grille Grille is made of aluminum or UPVC profile,placed between the panes of the insulating glasses. Screen Fiberglass / Nylon / Stainless steel mesh & Rolling shutter outside are available. Certificate AS2047 & AS/NZS2208 & AS1288,GBT7106 & GBT8478 Function Good Insulation,Watertight,Wind Resistance,Anti-ultraviolet,Anti-thief,Durable,Anti-aging,High Strength Application Application:Commercial buildings and residential buildings including offices, hotels, hospitals, schools, supermarkets, factories, apartments, villas, houses, etc.