Which shape and material are commonly used for cribbing?

The commonly used shape and material for cribbing is short lengths of wood or plastic. This choice is correct because cribbing needs to be both stable and strong to support heavy loads safely during extrication operations. Wooden cribbing, such as 2x4 or 4x4 lumber, is sturdy, readily available, and provides excellent compressive strength. Wood’s natural properties help to create a solid foundation while allowing for easy stacking and configuring in various scenarios.

Plastic cribbing can also be utilized as it is lightweight, resistant to rot and moisture, and does not splinter like wood, offering a durable alternative. This adaptability makes short lengths of wood or plastic ideal for use in various rescue situations, where effective stabilization is critical.

While metal beams and cylindrical steel rods might provide strength, they are often too heavy, cumbersome, or lack the necessary adjustability for effective cribbing. Flexible rubber strips do not possess the structural integrity required for supporting loads, making them unsuitable for cribbing purposes. Thus, short lengths of wood or plastic stand out as the most effective and practical choice for cribbing in rescue operations.