What Is The Life Span Of Aluminum Profiles For Windows And Doors?

4. Adjust the Rollers Most sliding doors have screws located at the bottom of the door, often accessed through small holes. Use the appropriate screwdriver to turn these screws. Turning the screws clockwise typically raises the door, while counterclockwise lowers it. Make small adjustments and test the door after each adjustment until it glides smoothly along the track.
A last and even more important, additional advantage of polyamide is the excellent thermal insulation. While aluminium scores much less well than wood and PVC in that area, it performs at least as well in terms of Uf value thanks to the polyamide strips (which insulate 500x better than aluminium).