The Prido steel door has a U-value of 1.98 W/(m²K) thanks to 50 mm polyurethane insulation and an aluminum frame with a thermal break. This is approximately 40% better than doors with traditional steel frame construction. With RC2-rated burglary protection, a 7-year warranty, and air tightness class 4, high performance is combined with a long service life—resulting in a low total cost compared to simpler industrial doors.