Fire Tests for Firestopping
ASTM E 814 and UL 1479
Fire test set up:
The firestop system is assembled and placed on a furnace with one side exposed to heat, and the opposite side exposed to the normal room conditions.
The ends of the penetrant, such as the pipe or conduit, are sealed.
A pressure of 0.01 in. water column is imposed inside the furnace.
The temperature is raised up to 1,850 °F in 2 hours and beyond.