Propalock is an innovative locking system fitted to adjustable telescopic steel props, designed to enhance safety and manage temporary support during construction. Manufactured to British Standards (BS 4074:1982 and BS EN 1065:1999), it improves safe working practices in temporary works/support situations.

Propalock serves as a management tool for controlling temporary support, improving health and safety. Adjustable steel props are popular for their simplicity, reliability, and cost-effectiveness, providing secure support at various heights. They feature a large-diameter screw thread, a collar nut for fine adjustment, and a loose pin for a broader range of adjustment.

Propalock is initially installed on the outer lower tube of the prop. After the usual erection procedure, it is positioned into its operating position by a responsible person on-site.