HEAT INSULATING AND FIREPROOF BUILDING AND CONSTRUCTION MATERIALS-NAMELY, CEILING BOARD, SHELF BOARD, WAINSCOT, PANEL BOARD, GRATING, PILLARS, BEAMS, BRICKS, TILE, FIRE DOORS, HAND RAILS, CHIMNEYS, STEPS, ROOF TILES, BLOCKS, SLATES, SOUND ABSORBING BOARD, AND HEAT INSULATING COVERINGS FOR FURNACES AND PIPES