The ideal tolerance for aluminum profiles for windows and doors is what is outlined by BS EN 755-9:2001. However, most of the tolerances we offer to improve this particular standard.

- Environmental Conditions If your sliding door is exposed to the elements, opt for wheels that can withstand moisture and temperature variations
. Steel wheels with a protective coating or nylon wheels are suitable for most conditions.Fence Gate


Historical Significance
Extrusion: The billet is heated and placed onto an extrusion press, which passes it through a die and goes through several processes to ensure it is straight, strong, and of the required quality. The extrusion process includes an automatic production line composed of ingot heating, extrusion, cooling, straightening, cutting, and other processes .