WHI

FIRE SAFETY TESTING SERVICES-NAMELY, SUBJECTING WOODEN, HOLLOW METAL OR KALAMEIN DOORS, HARDWARE, GARBAGE CHUTE ASSEMBLIES, FIRE DAMPERS AND CONTROLLERS AND BUILDING MATERIALS SUCH AS MASONRY UNITS AND BUILDING BLOCKS TO FIRE AND WATER TESTS IN ORDER TO DETERMINE THE POINT AT WHICH THE ITEM BEING TESTED CEASES TO BE AN EFFECTIVE FIRE BARRIER