POLYMER PRODUCTS-NAMELY, PIPE CLOSURES EMPLOYED FOR PERMANENT AND TEMPORARY INSTALLATIONS, PIPE SUPPORTS AND HANGERS FOR USE IN HOLDING PIPES IN FIXED LOCATIONS AND PARTS THEREOF, PIPE CLAMPS FOR USE IN CLAMPING PIPES IN POSITION, ROOF DRAINS, ROOF VENT FLASHINGS AND SHIELDS, TAPES AND STRAPS FOR USE IN HOLDING PIPES, BOX-LIKE STRUCTURES FOR USE IN ENCLOSING AND/OR PROTECTING PIPES, AND OUTLET BOXES FOR USE IN CONNECTION WITH PIPES