The RB type block installation procedures is simple and  - can always be finished on site since these blocks themselves compensate for any surprise or last minute changes. An existing seal can easily be re-opened at a later time for cable or pipe additions and re-configurations

The RB blocks are designed not only to meet the specific demands in this industry. They also provide an unmatched flexibility that will save time and reduce cost.

The RB (Regular variable diameter blocks) types has  Removable Layers with a centre core. One single block can seal cables or pipes of several different diameters simply by peeling factory fitted layers away from the Block halves until a perfect fit is achieved. 
 Peel away layers to adjust to different cable or pipe diameters.