Broken bridge aluminum system window —Secrets that merchants don't tell

1. Broken bridge aluminum wall thickness the greater the better?

New national standard recommended outer window wall thickness ≥1.8mm 

But some businesses short weight, the actual only about 1.4mm

If it is discovered, it is a tolerance. 

Gb glass thickness 5mm, actual 4.8-4.9mm 

Non-standard actual only 4.2-4.5mm, special attention should also be paid to. 

Most village wall thickness can meet the national standard, low floor can be put loose, tall floor glass, wall thickness can be strengthened. 

2. How to distinguish primary aluminum from recycled aluminum?

It's not visible to the naked eye.  The reliability of aluminum detection report is general, the report is only valid for the sample, who will take unqualified materials to send for inspection?  You can ask the boss if the latest purchase list can see, the purchase list price with the procurement company as the focus, the price of primary aluminum at about 20,000 a ton, recycled aluminum at about 16,000 a ton, the procurement company's main primary aluminum or recycled aluminum can be checked online.

3. What is the difference between broken bridge aluminum and system doors and Windows?

System Windows are all broken bridge aluminum, broken bridge aluminum is not necessarily a system window.  Similar to the difference between an assembly computer and a brand computer.  

Real system doors and Windows have specific hardware, auxiliary materials, seals, rubber strip and other components, based on different regional climate environment and functional requirements of the door and window system research and development has strict design, manufacturing, installation procedures.  Experience the upper sealing window more tightly, the overall wind resistance, heat preservation, airtightness and so on better. 

4. What is the most important choice for broken bridge aluminum doors and Windows?

What suits you is most important!

High - level coastal consideration of windbreak capacity: three glass two cavity. 

Road schools consider sound insulation ability: Angle glass, three glass two cavity. 

The furnace city considers the heat insulation capacity: the brand and width of the heat insulation strip, low-E glass.

Thermal insulation ability to be considered in cold areas: low-E glass, wall thickness and sealing performance, preferably with test report.