About Olero Sliding Doors Olero Sliding Doors is a professional sliding door repair service based in Marco Island, Florida. We specialize in restoring smooth operation, safety, and reliability to residential sliding and patio door systems. Our work focuses on improving functionality, enhancing security, and extending the lifespan of existing doors. We understand how disruptive sticking, noisy, or misaligned doors can be. Our team delivers careful diagnostics, efficient repairs, and dependable workmanship to ensure consistent, long-term performance.