How does the required hose stream test work and why does it matter?>
What do I need to know about impact safety testing for fire-rated glazing?>
Can fire-rated glass pass any additional performance tests?>
At the conclusion of the fire test, to achieve a rating greater than 20 minutes, the glass must pass a mandatory hose stream test during which testing labs spray the glass with water from a two-man fire hose. According to NFPA 257, “the cooling, impact, and erosion effects of the hose stream provide important tests of the integrity of the specimen being evaluated.”
