Finesse Sliding door design offers a unique combination of over sized openings, Compression sealed technology for high energy performance and effortless sash operation all in a traditional sliding panel aesthetic. Finesse windows Sliding doors feature two [or more] horizontal sashes fitted with rollers at the bottom for swift sideways movement on tracks. Faster & easier to operate, they are great for panoramic views and air circulation. As a whole-house solution, sliders create a stunning look that accentuates modern architecture.