GP Borg produces between 4000 and 6000 hollow concrete blocks every day so as to cater to their clients’ requirements in as short a time as possible. Such blocks are suitable for external and internal cavity walls, separating load bearing as well as non-load bearing walls. The available range is classified in four basic types according to their thickness: 150mm, 180mm, 230mm single, and 230mm double thickness. A substantial stock is available at all times.