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How to Stain Fiberglass Entry Doors

Fiberglass is created from pieces of glass that are kept together with resin. This type of material is strong and durable. Not only is it strong but it also does not corrode like other types of materials for entry doors. Over time the doors may wear but this can be fixed by staining the doors.

How to Stain Fiberglass Entry Doors


Materials Needed



  • Cloth

  • Mineral Spirits

  • Painter’s tape

  • Stain

  • Paint stirrer

  • Paintbrush with soft bristles

  • Sealant



  1. Prepare the doors for staining by removing as much dirt and debris from them as possible. Soak a cloth with mineral spirits. Use the cloth and mineral spirits to clean the door. Go over the doors as many times as needed to clean it.

  2. Place painter’s tape on the windows on the doors, hinges and handles as well. This will prevent stain splatter from getting on those parts.

  3. Open the stain and stir it with a paint stirrer. You want the stain to be blended well before using it. Dip a paintbrush with soft bristles into the stain and begin painting the door. Stain a small section at a time until the door is complete. Use another paintbrush with soft bristles to paint over the brush to smooth the stain and remove any excess stain as well. Allow the stain to dry for 24 hours.

  4. Remove the top from the sealant and stir it with a paint stirrer. Dip a paintbrush with soft bristles and apply a coat of sealant. Allow the first coat to dry for one hour and apply another coat.

  5. Allow the door to dry by following the drying times recommended on the stain and sealant. Turn the door over and complete the other side if necessary.