record S-20 SU In Ground Sliding Door System
S-20 SU is an advanced design that propels the world of automatic sliding doors underground. Combining a minimized design with the 5100 drive module gives you an architecturally pleasing door that you can rely on year after year. Due to the placement of the controls and drive system being located in-ground your storefront can now have that seamless look that has been sought after for years.

Blasi designed in-ground sliding door is specially made to avoid a bulky header or overhead boxes while the drive unit is totally hidden in the floor. The advantage is evidently to create a perfect build up and transparency while offering a system that can also carry heavy door leaves.
The comfort and use of the S-20 SU is exactly the same as every standard overhead sliding door but offers a higher flexibility for the building design and structure and provides a perfect aesthetic solution.
The drive unit is executed with an in-ground stainless steel encasing, a sealed separation for the electronic and the motor components. A specially developed gully trap and drainage outlets will protect the unit and ensure a safe and proper operation for the same lifetime as any other regular overhead sliding door.
The wide range of the S-20 SU offers executions as single-slide, bi-part, v-shaped, inclined and even slanted designs that will cover any requirement.
- Sliding door that can be used in any buildings like office buildings, hotels, hospitals, airports,
- museums, shopping malls, residential buildings and many more
- Perfect solution for any glass façade and curtain wall system
- Frameless option available for incredible transparency
- Silent and reliable drive unit that has been developed specially for in-ground use
- Passage heights up to 5000mm are possible (on request)
- Installation depth of operator only 200mm