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Announcements of Buying Aluminum Alloy Doors And Windows

by:Gladman      2020-09-04

First is looking at the performance of doors and windows. Aluminum alloy doors and windows usually assess the following main properties: strength, air tightness, water tightness, opening and closing force, sound insulation, thermal insulation, nylon guide wheel durability, open lock durability and other factors.

Second is looking at the appearance of the doors and windows. The appearance of doors and windows also is the key. The aluminum alloy doors and windows are composed of artificial oxide film and coloring surface composite membrane layer, this kind of composite membrane not only corrosion resistance, wear resistance, and has the certain fire prevention function, high gloss. When choosing, try to match as much as possible, try to choose on the right product of manufacturer of aluminum alloy doors and windows, select fine processing, precise, open and close with sensitive, quiet, gentle and adornment effect products.

The third is looking at the price of the doors and windows. Under normal conditions, high quality aluminum alloy doors and windows have high capital consumption, the price30%more than inferior aluminum alloy door. Some wall thickness is only 0.6 0.8 millimeter ,aluminous profile made of aluminum alloy doors and Windows, tensile strength and yield strength is much lower than nation specification rules, which is not very safe. We must not be ignored the safe factor due to the greed of cheap thing.

Aluminum alloy doors and windows need careful observation places:

the surface of the window. window frames clean, level off, smooth, bedding face no scratches, dent, profile without the welding cracking.

hardware: complete hardware , correct position, firm installation, agile use can fulfill each own function.

glazing tape, sealing strip should level off, if contact with the glass and glass entrance shall not curling, groove.

Doors and Windows closed when the sealing quality, no obvious gap between fan and casing, sealing strip on the surface of the seal should be in a state of compression.

: the glass should level off, installation is firm, should not have loose phenomenon, the single-layer glass shall not directly contact profiles, double glaze glass surface should be clean inside and outside, inside the glass interlayer cannot have dust and water vapor, and every article can't upwarp.

Glass and layering must close to each other, layering and profile of the joint should be no obvious cracks, joint gap should be less than or equal to 1 mm.

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