A sliding door can become difficult to open or close for several reasons, including dirt or debris buildup in the track, worn or damaged rollers, a bent track, or a misaligned frame. Over time, these issues can cause the door to stick, drag, or come off track. At Sliding Door Expert, our technicians start by inspecting the entire system — including the track, rollers, and alignment. We clean and clear the track of debris, lubricate moving parts, adjust or replace worn rollers, and realign the door for smooth, effortless movement. Once repaired, your sliding door will glide open and close easily again.