Main wall thickness requirements greater than 1.4mm What is the meaning, as well as curtain wall.
The thickness of the wall of the curtain wall shall be such that the wall thickness of the open cavity shall not be less than 3.0mm, and the wall thickness of the closed cavity shall not be less than 2.5mm. The position of the screw connection (such as the position of the screw) Less than the nominal diameter of the screw.
Live wall thickness requirements of more than 1.4mm refers to the doors and windows system, in the doors and windows norms require high-rise building doors and windows wall thickness of not less than 1.4mm, low wall thickness of not less than 1.2mm, but now 1.2mm wall thickness The building is getting higher and higher is slowly exit, the general profile manufacturers to provide the wall thickness of more than 1.4mm.
That is, the purchase of aluminum or other profiles to achieve the thickness of 1.4mm. In accordance with national standards, you ordered the profile or curtain wall is required 1.5mm, because the national standard plate 1.5mm minimum thickness of the negative tolerance of 01.38mm, basically can reach 1.4mm. If the procurement of 1.4mm profile curtain wall panels, the thickness is certainly less than 1.4mm. hope this helps!
Aluminum alloy doors and windows of the main section of the wall thickness should be calculated or tested to determine, in addition to pressure bars, gussets and other needs of flexible equipment profiles, the door with the main section of the main force of the substrate section of the minimum measured wall thickness should not be less than 2.0mm, With Zhu Xiangcai main force parts of the substrate section of the minimum measured wall thickness should not be less than 1.4mm.
