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Donut Cribs™ & CribPacs®

Donut Cribs are circular, steel-fiber reinforced concrete blocks with an open center which stack in layers to provide high strength and cut-able roof support. Cribpacs are solid circular concrete blocks, pre-package into various bundle heights.
Cribpac concrete roof supports
STEEL-FIBER REINFORCED CONCRETE ROOF SUPPORT

E. Dillon Donut Crib blocks are made from a blend of steel-fibers and concrete materials. Stacked in layers underground, the concrete blocks provide dimensional stablility, increased strength and stable yielding for active ground conditions.

 
concrete roof support
Donut Crib with grout bag
CRIBPACS

The E.Dillon Cribpacs are reinforced circular concrete blocks layered in packs of 4, 5 and 6 with plywood inserted for easy mechanical handling.
The concrete layers and plywood are bound with metal binding and wrapped in plastic for stability. Cribpacs are uniquely designed to offer various height and strength capabilities to suit customer requirements. 

 

 

Cribpacs
BENEFITS OF CONCRETE SUPPORTS
  • Fully “cut-able”
  • Stable yield
  • Reduce time for longwall move
  • Easy install with scoop, forklift, mini-trac
  • Resistant to atmospheric deterioration
  • Will not shrink, rot or rust