Non-metal weatherstripping and gasketing for doors and door frames; non-metal weatherstripping strips for doors; non-metal weatherstripping for use in door thresholds; non-metal weatherstripping for use in door sweeps; non-metal weatherstripping with adhesive backing for doors; non-metal weatherstripping used with intumescent strips for doors; non-metal door sealing and insulating materials, namely, perimeter gaskets, door corner seal pads, door jamb seals, door bottom sweeps, and door sweeps