Why are dura crib and dura stat cribbing blocks better than timber dunnage when stabilising equipment?

 

Woodplank

 

Timber Cribbing block showing typical splitting and cracking. Is this safe to use?

Unlike timber, all dura crib and dura stat cribbing blocks are and engineered fit for purposed cribbing, blocking and stabilisation tools. They are made using strict production and quality control processes with a known repeatable formula ensuring consistent end product performance and operation characteristics. Being engineered tools made from recycled high density polyethylene all dura crib and dura stat blocks are non-absorbent and will not split, splinter or rot like timber.

Duracribblock

Dura Crib DCHDC6730LB Heavy Duty Cribbing Block. Engineered support block.