It is measured in gauges, with the lowest number representing the thickest material. Originally, these doors were measured in inches, but now, most steel entry doors are made with 20-gauge steel, which is 49% thicker than twenty-four-gauge steel. This makes them more durable and more resistant to dents and other damage. These doors also come with warranties, which protect your investment.
When you purchase a new steel entry door, you will save money over time and on energy bills. Compared to other materials, steel has higher insulating properties and will not warp under pressure. These doors fit tightly to prevent air from entering the home, which reduces energy bills. Also, they can be customized for your home's design and style.