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# Parallel Fences Burn Experiment 

## Appears In

                        - NIST Study Finds Wildfire Hazards in Residential Fences and Mulch Beds

An experiment wherein NIST researchers burned two privacy fences separated by 46 centimeters (18 inches), sitting on top of mulch, demonstrates the danger of placing fences back to back. In less than four minutes after ignition, the fences were entirely engulfed in flames, which extended several feet beyond the fences. 

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