Trailer Insulation Insulation is a key factor in maintaining consistent temperatures inside refrigerated trailers. Proper insulation allows the refrigeration unit to use less energy to keep products chilled or frozen during transport. Trailers designed for refrigerated use have walls, ceiling, and floor constructed of insulation materials to reduce heat transfer. Commonly used insu... https://logcla.com/blogs/468606/Refrigerated-Trailers-Enabling-the-Transport-of-Temperature-Sensitive-Goods