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An Explanation of the New ASTM F3351 Test Method for Specified Height and Why It’s Important

ASTM F1292 has been a safety standard since the early 90s. It tests for the critical fall height (CFH) of a playground surface. Recently, ASTM International brought about some changes to this familiar playground surfacing standard, and everyone in the industry should know about these new requirements.


What Is Critical Fall Height (CFH)?

CFH is calculated by impact testing a safety surface with a device known as a Triax impact tester. The Triax uses a head form that, when dropped on the surface, reports …