What Caused The Cocoanut Grove Nightclub Fire? Since the US entry into the war, air-conditioning systems had been serviced and the freon refrigerant was replaced by a flammable gas called methyl chloride, due to the wartime shortage of freon. On November 28, 1942, the Boston College football team played College of the Holy Cross at
What Material Does Not Burn In Fire? Various building materials are fire-resistant, but some of the best ones are fire-resistant glass windows, concrete, gypsum, stucco and brick. What material can withstand fire? Mineral wool. Gypsum boards. Asbestos cement. Perlite boards. Corriboard. Calcium silicate. Sodium silicate. Potassium silicate. Which material is the least fire-resistant? Steel. Steel
What Does Class A Flame Spread Rating Mean? What does class A flame spread rating mean? smoke developed What is Class A rated? Class A has an FSR of 0 to 25, making it is able to withstand fire for longer than any of the other classifications. If you have a facility with a higher