Should wrought iron be given a coat of paint?
Common surface treatment processes for aluminum doors and windows are electrophoretic coating, fluorocarbon spraying, wood grain transfer coating, anodizing, and electrostatic powder coating. In most cases, after good surface treatment, aluminum profiles have good atmospheric corrosion resistance. It is moisture-proof, sunscreen, flame proof, aging proof, high-temperature deformation proof, low-temperature embrittlement proof, durable and stable, and suitable for various climates.
You can also be sure the material will be allowed within your region or country if you are importing from a different country.
Understanding Sliding Door Wheels


5. Check Alignment After making your adjustments, check if the door is level. Use a level if necessary. If the door leans to one side, you may need to adjust one roller more than the other to achieve a balance.