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How to distinguish the quality of aluminum alloy doors and windows
Editor: liefan, August 15, 2019 17:00:06
We should pay special attention to the quality problem when we choose to install the broken bridge aluminum alloy doors and windows, so how to distinguish the quality of the broken bridge aluminum alloy doors and windows?

1、 Look at the profile surface quality

The quality of the profile can be observed from the surface of the bridge broken aluminum profile. The surface gloss of the good bridge broken aluminum profile has texture, and the surface spraying color treatment will also be natural, which makes it feel smooth; the surface of the secondary bridge breaking aluminum doors and windows is rough, without luster, and it looks unnatural. After using for a period of time, the poor bridge broken aluminum doors and windows will change color or fade, and the color is not full.

 How to distinguish the quality of aluminum alloy doors and windows

2、 See the section structure of profile

Good bridge broken aluminum door and window profile section geometric angle is accurate, the profile will not be bent and twisted, and the angle is correct. Moreover, the section thickness is sufficient, such as the 60 type bridge broken aluminum doors and windows customized by you. 60 means that the thickness of the profile is 6 cm, and the 6 cm is full bridge broken aluminum material, and the proportion of threading is less; for the less frequent bridge broken aluminum doors and windows, the virtual support 60 profile will be used, and the threading strip is used to support the thickness, and the aluminum material is relatively small.

 How to distinguish the quality of aluminum alloy doors and windows

3、 Look at the insulation strips of profiles

The heat insulation strip is divided into imported and domestic ones. Most of the domestic insulation strips are made of plastic PVC, while the imported ones are made of polyamide, i.e. nylon. It's energy-saving and energy-saving. It's energy-saving and heat-resistant. It can save 30% of heat insulation.

 How to distinguish the quality of aluminum alloy doors and windows

4、 A good horse with a good saddle -- a good broken bridge aluminum door and window must be equipped with good hardware accessories

The above three points teach you how to distinguish the good and bad of bridge broken aluminum profiles. If you really want a good broken bridge aluminum door and window, it must be equipped with good hardware accessories.

As the saying goes, "a good horse matches a good saddle", "a man depends on clothes and a horse depends on a saddle". Under the condition that the quality of the aluminum profile of the bridge is ensured, the finished products of the aluminum doors and windows of the bridge must be matched with good hardware accessories. The quality of the accessories determines the flexibility and service life of the doors and windows.

 How to distinguish the quality of aluminum alloy doors and windows

Good hardware accessories can ensure that the aluminum doors and windows of the bridge can be opened flexibly, sealed well, and will not sink after a long time of use, resulting in the problem of not tightly closed.

The second is to see whether the color and smoothness of the broken bridge aluminum alloy doors and windows are consistent. Pay attention to the aluminum alloy doors and windows, and avoid choosing profiles with open bubbles (white spots) and ash (black spots), as well as cracks, burrs, peeling and other obvious defects on the surface.

Precautions in purchase and installation of aluminum alloy doors and windows!   [ Back to home page ] [ Printing ] [ Back to previous page ]    Attention should be paid to these five problems in the purchase of home decoration aluminum alloy doors and windows

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