Broken bridge aluminum doors and windows the national standard of wall thickness should not be less than 1.4mm.
Introduction to the wall thickness of broken bridge aluminum models commonly found on the market at present:
zhongwang broken bridge aluminum doors and windows 60 series: Profile wall thickness: 1.4mm; Sealing structure: 6 seals;
zhongwang broken bridge aluminum doors and windows 65 series: Profile wall thickness: 1.4mm; Sealing structure: 6 seals;
zhongwang broken bridge aluminum doors and windows 70 series: Profile wall thickness: 1.8mm; Sealing structure: 10 seals;
zhongwang broken bridge aluminum doors and windows 75 series: Profile wall thickness: 1.8mm; Sealing structure: 12 seals;
zhongwang broken bridge aluminum doors and windows 80 series: Profile wall thickness: 1.8mm; Sealing structure: 12 seals;
when purchasing broken bridge aluminum doors and windows, you must choose a regular brand with a national standard wall thickness, so as to ensure the strength of broken bridge aluminum doors and windows.