A Secret Weapon For fire-rated glass partitions
Hose Stream examination: A 2nd exam is required to achieve a score of 45 minutes or more. This exam gauges the ability of glass to resist the thermal shock of getting 1 facet subjected to the fire and the other to water from the fire hose by using a strain of not less than 20 psi. out there in both normal and premium grades for surface high-qualit