Choosing an Entrance Door Have you ever thought about your door? Yes, your front door. A new door is an easy, cost-effective way to boost your building’s curb appeal. The right door will pull together your entire front facade and help you make the perfect first impression. Plus, exterior doors aren’t just for aesthetics. A good door will make your building more energy efficient. But how do you choose the right door? First, Pick a Material The most important consideration when choosing a door is the material the door is made of, so why not start there? Different mterials have different advantages and disadvantages. Two common contemporary options are steel, and fiberglass.