Upsite Technologies HotLok Side Rail Sealing Kit – Model 10238
The HotLok Side Rail Sealing Kit (Model 10238) from Upsite Technologies is engineered to close off airflow bypass paths along the sides of server racks in hot aisle containment configurations. The 45-degree extrusion design and 4-inch sealing membrane accommodate approximately 50U of rack height, helping to maximize cooling efficiency in data center environments.
Key Features
- Brand/Line: HotLok by Upsite Technologies
- Type: Side rail sealing kit
- Extrusion angle: 45 degrees
- Sealing membrane width: 4 in.
- Coverage: Approximately 50U rack height
- Reduces bypass airflow in hot aisle containment systems
- Model: 10238
Applications
Designed for use in data centers and server rooms with hot aisle/cold aisle containment architectures. Installs on the side rails of server racks to seal gaps and prevent hot exhaust air from recirculating into the cold aisle, improving PUE and reducing cooling costs.



