The aluminum alloy doors and windows has its service life.As the time goes by,the aluminum alloy doors and windows will be aging in different degree. The quality determine the service life of the aluminum alloy doors and windows,and determine the happiness index of decorative life.

1.Aluminum alloy doors and windows accessories
Anti-oxidation, corrosion resistance is a feature of aluminum alloy doors and windows, but the overall effect of aluminum alloy doors and windows and the extension of its service life needs a variety of cooperation, any part of the negligence will lead to the reduction of aluminum alloy doors and windows life.

2.The thickness of aluminum profile
The test results of weather resistance, heat preservation and sound insulation of aluminum alloy doors and windows frames prove that the aluminum profile can reach 1.4mm above the national standard wall thickness.And the profile surface can be used for 10 years after being oxidized for more than 10 microns,and the better one can be reach to 30 years.

3.Waterproof and moistureproof
Aluminum alloy doors and windows using a special formula material, the material itself is less than 0.1% water absorption, frame fans are used double sealed form, gaps are equipped with excellent sealing strips, and in the appropriate position of frame material set up drainage holes, the corner part is also formed by mechanical welding, so the aluminum  alloy doors and windows of the broken bridge are excellent in sealing performance and are not water seepage, moisture proof, sound insulation and heat insulation.

4.Energy-saving insulation
Aluminum alloy doors and windows of the frame material and glass are important factors to affect the thermal conductivity, the material of broken bridge aluminum alloy doors and windows , its thermal conductivity coefficient is only l/1250 times that of aluminum.
The ratio of heat transfer performance of PVC single glass aluminum alloy doors and windows to aluminum single glass aluminum alloy doors and windows is 1:2. Therefore, the aluminum alloy doors and windows with the same area conditions have better insulation performance than ordinary aluminum alloy doors and windows, which can save energy consumption above 30%.

5.The hardware accessories is the heart of aluminum alloy doors and windows.
With the time goes by,the aluminum alloy doors and windows will be aged.And the hinge,and some related hardware accessories will be broken,which will cause the aluminum alloy doors and windows are not open very smoothly.