6. Lubricate the Rollers and Track Once you’ve successfully adjusted the rollers, apply a small amount of lubricant to the rollers and the track. This step is crucial as it reduces friction and ensures smoother operation over time.
Nowadays, the sound and shadow of aluminum alloy doors and windows on the market appear more and more frequently. Why are aluminum-alloy doors and windows so popular? Aluminum alloy doors and windows have excellent functions and good decorative effects. Many people will consider this door and window aluminum profile when choosing. How much do you know about this window frame aluminum profile? What are the performance characteristics of aluminum windows and doors?