Labels:dialog box | hakham | monitor | windowpane | workwear OCR: Understanding the UL Fire Resistance Directories Type Board The most important aspect gypsum 1 that 1f will not burn. Statistics show that in recent years fewer people have died in fires in the United States. Naturally there no one reason for this decline in the lose of lives, but the diminished number has ahigh correlation with the increase use of gypsum products and other fire resistant building materials The gypsum in the core of the board actually emits steam when exposed to fire and retards the transfer of heat through the panel This slow down actually provides extra time to evacuate room Prev Next Wall high
