How to buy broken aluminum doors and windows, which is good? Blue card doors and windows fly it?
Some people think that the big brand is good, the saying goes: shop big bully. Good windows and doors, mainly in the material above. You arbitrarily to which manufacturers made phoenix aluminum, Zhongwang cost, but four or five hundred dollars cheaper than his door store several hundred
Broken bridge aluminum doors and windows through the quality of several aspects can be identified:
The first look at the use of doors and windows: broken aluminum doors and windows used in aluminum, thickness, strength and oxide film, wall thickness should be more than 1.2mm, the oxide film thickness should reach 10 microns.
Second look at the door and window processing: broken bridge aluminum doors and windows, processing fine, installation stress, good sealing performance, switch freely.
Third look at the appearance of doors and windows: the appearance of doors and windows is also a key link, broken bridge aluminum doors and windows have artificial oxide film and color formation of composite film, this composite film not only corrosion, wear, and have a certain fire function, High gloss.
The fourth look at the price of doors and windows: in general, broken bridge aluminum doors and windows due to high production costs, the price is higher than the quality of aluminum doors and windows to be high.
Fifth look at the performance of doors and windows: broken bridge aluminum doors and windows usually check the following main performance, strength, air tightness, water tightness, opening and closing force, noise, heat insulation, nylon guide wheel durability, opening and closing durability and other factors.
My home improvement of this brand, until now are still good, very durable
