1. What is ordinary aluminum alloy profile?
It is inside and outside of each other without air layer, inside and outside of the color can only be the same, the surface to do spraying anti-corrosion treatment.
2、 What is broken aluminum alloy profile? What are its advantages?
It is divided into two ends during processing, and the two ends are connected into a whole with PA66 nylon strip to form three layers of air layer, no conductor inside and outside, and the color inside and outside can be chosen arbitrarily, which is beautiful and has good performance, and forms an energy-saving effect.
3、 What is the difference between ordinary aluminum alloy profile and broken aluminum alloy profile?
Ordinary aluminum profile is a conductor in its entirety, and the heat transfer and dissipation is relatively fast; the two ends of the bridge-breaking aluminum profile are connected with PA66 nylon strips to form a three-layer air layer, inside and outside are not conductors, the temperature difference between inside and outside is not the same, and the color is diversified.
4、 What is insulating glass? What is the K-value with broken-bridge aluminum doors and windows? What is the K-value with ordinary aluminum doors and windows? How much is the sound insulation?
Insulating glass is two or more pieces of glass side sealed together, between the glass with desiccant treatment, the glass inside and outside the temperature difference is not the same.
Broken bridge aluminum doors and windows + insulating glass K value is about 2.7-3.0.
Ordinary aluminum doors and windows + insulating glass K value of about 3.5-5.0.
System aluminum doors and windows + insulating glass K value is about 2.0-2.5.
5、 What is safety glass? What is safety glass?
It is the glass after high-temperature treatment, the quality has changed, and enhanced the strength of the glass. Even if the glass breaks for small particles, not hurt people.
The following cases of aluminum doors and windows must use safety
Glass
Framed door single glass area greater than 0.5m2;
③ The bottom edge of the glass is less than 500mm from the final decoration surface.
③ Floor-to-ceiling windows with the bottom edge of the glass less than 500mm from the final decoration surface;
④ Glass of frameless doors and windows;
⑤ Entrance and exit doors of public buildings;
⑥ Doors of kindergartens or other children’s activity place;
(7) Tilting windows and skylights;
(8) Exterior casement windows of buildings with 7 floors or more than 7 floors.
6、 What is LOW-E glass? What are its advantages?
LOW-E glass, also known as low-radiation heat-reflective glass, is a film coated on the surface of the glass, the ultraviolet blocked outside, to raise or lower the indoor and outdoor temperatures, is a kind of protection for the human body.
7、 What is insulating glass? What is the material of the page? What is the service life?
It is to install metal aluminum sheet inside the insulating glass, using magnetic force to control. It can be used 20,000 times for about 20 years, the advantage is clean, sanitary, no need to wash.
8, insulating glass, LOW-E glass, hollow shutter glass, compared to the three, what are the advantages and disadvantages?
Insulating glass is good for energy saving; LOW-E glass prevents ultraviolet rays; insulating louvered glass is convenient, prevents direct sunlight and increases privacy.
9, aluminum alloy window profile wall thickness is how much? What is the wall thickness of aluminum alloy door profile?
Window profile wall thickness of the main stress parts is not less than 1.4mm, high-level to more than 20 layers, you can choose to increase the thickness of the profile; door profile wall thickness of the main stress parts is not less than 2.0mm, which is the national standard in line with the requirements of wind pressure resistance, single door and window more than 3-4 square feet can be thickened, too large can be added to the column.
10, what is called system doors and windows? Where does it originate?
System doors and windows originated in Europe, and through years of use, the airtightness and energy-saving effect of doors and windows are taken into account in the design. System windows and doors are used by the system company as a whole door and window system solutions, the performance of the product, the quality of the indicators to make a clear commitment to the need to consider the watertightness, airtightness, wind pressure, mechanical strength, heat insulation, sound insulation, anti-theft, shading, weather resistance, operating feel and a series of other important features, but also to consider the comprehensive results of the performance of the various aspects of the equipment, profiles, fittings, glass, adhesives, seals.
11, insulating glass warranty period is a few years? What circumstances are covered by the warranty, and what circumstances are not covered by the warranty?
The national standard of insulating glass warranty period is 15 years; the service life is 15-20 years, and there are examples in Europe.
If the glass is broken due to improper use of human factors, it is not covered by the warranty.
12、 What is the heat transfer coefficient? What is the heat transfer coefficient of common aluminum windows and doors? What is the heat transfer coefficient of broken-bridge aluminum alloy doors and windows? What is the heat transfer coefficient of system aluminum alloy doors and windows?
It is in the detection, internal heating through the time to see the speed of internal temperature conduction to the outside, through the time and temperature to arrive at the heat transfer value.
The heat transfer coefficient of common aluminum alloy doors and windows is about 3.5-5.0;
The heat transfer coefficient of broken bridge aluminum alloy doors and windows is about 2.5-3.0;
The heat transfer coefficient of system aluminum alloy doors and windows is about 2.0-2.5.
13, what is called sliding doors and windows? What is called casement windows and doors? What is called the upper hanging window? What do you mean by inward opening window? What is called fixed window?
Sliding doors and windows: that is, one of the two doors and windows to the left and right sliding.
Casement windows and doors: the interior opens to the outside.
Upper-hung windows: the inner fan opens upwards.
Inward-facing windows: European standard, open to the interior, that is, natural ventilation, doors and windows can also be opened when people are not at home.
Fixed windows and doors: windows and doors that can not be opened.
14, casement windows, sliding windows, inverted windows compared to the advantages of what?
Casement window is the traditional way of opening the domestic, referred to as the national standard;
Sliding windows are simple and do not take up space; commonly used in the country.
Inside the window is the use of European standards, system design, people are not at home when the natural ventilation, rain can not enter the home, spring and fall night can open the window to sleep, thieves are not easy to open.
15、 What are the main hardware accessories for sliding windows? What are the main hardware accessories for casement windows? What are the main hardware fittings for inward opening and inverting windows?
The main hardware accessories of sliding windows: pulley, hook lock, crescent moon lock;
The main hardware accessories of casement windows: linkage handle, slide brace, hinges, wind brace and so on;
The main hardware fittings of inward opening and inverted windows: linkage handle, linkage lever, linkage and so on.
16, sliding aluminum doors and windows, casement aluminum doors and windows processing technology? What is the key process in the processing?
Undercutting: to ensure the geometric size;
Corner grouping: prevent rainwater from entering;
Assembly of accessories;
Appearance should be beautiful.
17, in order to ensure the quality of the products of doors and windows in the transportation process, how is the packaging?
Aluminum frames are packed with foam paper; aluminum and wood windows are fixed with set corners all around, so that there is no friction space between profiles and profiles.
18. How many years is the warranty period for doors and windows? What situation belongs to the warranty scope of work, what does not belong to the warranty scope of work?
The national standard for the warranty period of doors and windows is two years, and the damage caused by human factors is not included in the warranty period.
19、 How many years is the service life of glue? What brand of adhesive is good?
Waterproof sealant curing durability of 15-20 years.
A good brand of adhesive is Dow Corning from the United States. National brands of adhesive can also meet the requirements.
20、 What are the advantages of aluminum and wood windows? What is wood? What is the paint? What brand to choose?
Outside is aluminum alloy, indoor with solid wood to decorate; wood to oak-based; paint for water-based paint.
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