PVC Door 1. PVC Door A PVC door is a door whose main material is PVC (Polyvinyl Chloride). It is a plastic material made primarily of ethylene and chlorine, derived from rock salt. 2. Excellent thermal and sound insulation: These doors are very popular due to their many advantages. PVC is a natural insulator, which helps reduce heat loss and noise pollution, thus improving the comfort and energy efficiency of the home. 3. Low cost and excellent value for money: PVC doors are generally more affordable than other materials.