Ans: You can expect to see a little warping of the fiberglass if you have a new or older door. There are many reasons for your door wrapping such as temperature, moisture, etc. It can also be caused by improper installation, especially if the installer did not use a proper wood mounting kit, or if the door has been in storage for a long time.  To avoid warping keep your door clean, and keep it away from excessive heat and a moist environment.