Durulite Retailer Doors are constructed with rationally molded cross-linked polyethylene, making them extremely durable and capable of withstanding the wear and tear associated with sales-to-back room and walk-in cooler openings in high volume retail establishments. Known for their long-term value, they are ideal for use in supermarkets, retail establishments, institutions, restaurants and food service operations as they provide a visual separation, sound barrier and thermal separation. The door is designed to comply with all USDA sanitation requirements and is NSF approved. The corrosion resistant panel is ideal for wasdown applications as iot has no gaps or joint seams.