>>>Aluminum alloy door and window waterproof treatment method
Aluminum alloy doors and windows are classified according to their opening styles. At present, the more popular and practical window types on the market are several push-pull and swing-open methods. Casement windows refer to doors and windows where hinges (hinge) are installed on the sides of doors or windows to open inwards or outwards. Sliding doors and windows are mainly used to refer to windows and doors that are pushed vertically and horizontally in the horizontal direction. Push-pull and flat-opening have their own advantages compared with the case of using the same glass and accessories. The following describes the characteristics of the doors and windows in terms of their appearance, performance, price, and function.
First, the appearance of the difference between flat-window and sliding window is mainly with the overall style of the building with the match, flat-window due to its more flexible grid, you can make any line of facade effect, and For Dafenge's floor-to-ceiling windows, the opening fan only occupies a very small part of the entire window, so it is more suitable for high-end properties that require a more rigorous effect on the overall structure of the building, especially in line with the architect's pursuit of large, bright and spacious. A building with good effect, smooth and harmonious appearance. The sliding window can only be horizontally pushed and pushed because of its open fan position, so it is difficult to match with the fixed glass of Dafen grid, and it is usually more suitable for the open factory building or the rural family building with clearer horizontal and vertical lines.
Second, in terms of the three properties of doors and windows (wind pressure resistance, water tightness, airtightness), casement windows are generally better than sliding windows. Wind pressure performance of doors and windows depends on the moment of resistance of the main member of the door and window. The larger the section of the profile is, the larger the resistance moment is, but not exactly proportional. The section of the general profile of the casement window is smaller, but its main force member is a splitter or a middle upright. These main force members are correspondingly reinforced in the design process, so their wind pressure resistance performance is better. . Sliding window profiles are generally large in cross-section, and it is reasonable to say that their wind pressure resistance performance should be better, but as long as a little more in-depth analysis of the stress, it is known that the main force member is often the middle fan, and the upper and lower jaws only rely on pulleys. To withstand the horizontal wind load, the wind pressure performance during the normal period is generally not ideal. The watertightness of doors and windows depends on the sealing effect of the open part. The flat open windows are generally sealed by rubber strips, while the sliding windows are generally sealed by tops, and the sealing effect of the strips is generally better than that of the top seals. In terms of airtightness, the open fan parts of the open windows in the current market are more often used with two-point locks or heaven and earth locks for sealing and sealing, and the sealing effect is better. The sliding window is generally used hook or latch lock, the sealing effect is not ideal. Therefore, the flat window is generally better than the sliding window in the three performance aspects. This is why most high-end commercial and residential buildings use casement windows.
>>> How to install aluminum alloy doors and windows?
Third, the price of the same level window and sash window is not much difference, flat window is slightly higher than the sliding window. Ordinary flat open aluminum window price in the 200 ~ 350 yuan / m2, the mid-range window price in 450 ~ 600 yuan / m2, high-end flat window price is generally more than 800 yuan / m2. General push doors and windows are generally 150 ~ 300 yuan / m2, mid-range aluminum alloy sliding window in the 350 ~ 500 yuan / m2, high-end sliding doors and windows in the 600 yuan / m2 above.
Fourth, in the use of function: sliding window because of the opening is flexible, convenient and simple operation and favored by the majority of users; compared to the flat window because of its generally used hinge (hinge) connection, open the general use of the handle to open, in Operation often has no sliding window flexibility.
Fifth, in the processing of production: sliding window generally simple structure, no special requirements for the equipment, so it is easy for small workshop or on-site processing; Pingkai window because its sashes are generally used to connect aluminum alloy corner, so need to compare Good impact angle machine can produce excellent aluminum alloy flat window.
In summary, the casement window is superior to the sliding window in performance, but the sliding window is superior to the casement window in processing and operation. Because of this, flat windows are used in a large number of high-rise buildings such as commercial and residential buildings, office buildings, high-end residential buildings, and villas, while sliding windows are widely used in middle and low-end buildings such as industrial plants and rural houses.
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