The Soler and Palau JBS-560 flat roof upstand is engineered for use in roof-mounted ventilation systems. It provides a stable and secure base for ducting and ventilation equipment, ensuring correct alignment and installation. Suitable for residential and commercial applications, the JBS-560 helps maintain the integrity of roof-mounted fans and vents while facilitating efficient airflow. Its durable construction allows for long-lasting performance and reliable support in various weather conditions.