Many people think that opening doors and windows to cool down is actually not accurate. During the day, the outdoor temperature is high, the doors and windows are wide open, the sunlight and heat radiation are accompanied by bursts of hot air into the room, which will make the indoor and outdoor become generally hot. If you open the doors and windows in the morning and evening when it is cool to ventilate, let the air circulate, and in the daytime, especially at noon, you must close the doors and windows to isolate the invasion of outdoor hot air, and draw light-colored curtains to block the sun and reflect the heat radiation. The room becomes cooler. 4 panel sliding french doors
Doors and windows are divided into enclosure members or partition members according to their different positions. There are different design requirements to have functions such as heat preservation, heat insulation, sound insulation, waterproofing, and fire prevention. The new requirement is energy-saving, and the heat lost through the gaps between doors and windows in cold areas accounts for about 25% of the total heating heat consumption. The tightness of windows is an important part of energy-saving design. Doors and windows are an important part of the building envelope system. double insulated sliding glass doors
Doors and windows are also an important part of architectural modeling. Their shape, size, proportion, arrangement, color, shape, etc. have a great influence on the overall shape of the building.
Nowadays, many people install double-glazed doors and windows. In addition to enhancing the effect of heat preservation, sound insulation is very important. The prosperous city, dense housing, developed traffic, and sound insulation are more and more popular. sliding upvc patio doors
The advantages are large opening area, good ventilation, good airtightness, excellent sound insulation, heat preservation and impermeability. The inward-opening type is convenient for cleaning windows; the outward-opening type does not take up space when it is opened. Opening windows outside the wall takes up a space outside the wall and is easily damaged when strong winds blow; and windows opening inside takes up part of the indoor space. It is inconvenient to use screens, and it is inconvenient to use screens and curtains when opening windows. If the quality is not good enough, it may seep rain.
Top-hung windows This is a kind of aluminum alloy doors and windows that only appeared later. It is a new form developed on the basis of casement windows. It has two opening methods, which can be opened horizontally or pushed away from the top. When the casement window is closed, pull the upper part of the window inward to open a gap of about ten centimeters. That is to say, the window can be opened a little from above, and the opened part is suspended in the air and fixed with the window frame by hinges. Therefore, Known as the top suspension.