Cleaning is fairly simple and straightforward. Find an all-purpose household cleaner and a sponge. Spray on the cleaner, and then wet the sponge to scrub the door. Make sure to wipe away all of the cleaning solution, and then buff the door dry with a paper towel.

Mix two cups warm water with a teaspoon of distilled white vinegar and a few drops of dish soap Scrub the door in the direction of the wood grain using a soft sponge Use less pressure on painted wood doors but put some muscle into it for stained or varnished front doors Rinse and wring out the sponge to clean the sides, top, and bottom of the door

Simply spray on a mild, nonabrasive all-purpose cleaner, and use a wet sponge to clean the door. You can also mix equal parts of vinegar and water in a spray bottle for a natural cleaning solution.

Simple soap and water will get the job done in most cases, especially for routine cleaning. Mix two cups of water with two tablespoons of dish soap in a spray bottle. Spray on your fiberglass door and wipe with a dry cloth. For an added boost, try adding baking soda to your cleaning solution.