BUILDING WALL AND CEILING CONSTRUCTION MATERIAL-NAMELY, GYPSUM WALLBOARD, GYPSUM LATH, STRUCTURAL CEMENT FOR ERECTING WALLS OF GYPSUM WALLBOARD, JOINT REINFORCING TAPE FOR GYPSUM WALLBOARD, AND PLASTER; ROOFING AND SIDING MATERIALS-NAMELY, ASPHALT SHINGLES, ASPHALT ROLL ROOFING, ORGANIC AND GLASS FELTS, ASPHALT FOR IMPREGNATING ROOFING AND SIDING MATERIALS, AND ASBESTOS CEMENT SHINGLES; AND INSULATING AND PROTECTIVE MATERIALS-NAMELY, MAGNESIA AND CALCIUM SILICATE INSULATION IN THE FORM OF BLOCK AND ARCUATE SEGMENTS, SEMI-RIGID AND FLEXIBLE GLASS FIBER BLOCKS, SHAPED SEGMENTS, BATTS AND BLANKETS, AND ASPHALT SATURATED FELT COVERINGS