Locker

• 1). Establish the length, width and depth of the locker that you plan to install below deck, in a bulkhead or in a console. Deduct 1/4-inch each way to account for the fiberglass. Transfer the dimensions to a billet of Styrofoam that’s used as dock flotation.
  
  
• 2). Cut the Styrofoam mold to size with a handsaw. Insert the mold in the opening for the locker. If necessary, trim the mold to ensure you have clearance each way for the fiberglass.
  
  
• 3). Put on your work gloves. Apply a generous coating of fiberglass mold release to all surfaces of the mold with a utility brush.
  
  
• 4). Mix a batch of fiberglass resin and catalyst. Apply the mixture and fiberglass cloth to the sides, ends and one of the long sections of the mold that will be the back of the locker. Allow the fiberglass to harden. Apply a second layer of fiberglass and allow it to harden.
  
  
• 5). Hold the fiberglass locker upside down. Remove the mold by tapping the bottom and sides of the locker with the butt of your hand.
  
  
• 6). Put on safety glasses and a dust mask. Smooth and evenly contour the rough edges and inside of the locker with a finish sander and medium-grit sandpaper.
  
  

Locker Door

• 1). Measure the opening in the locker. Cut a piece of 3/4-inch plywood to this size with a circular saw. Apply a coat of mold release agent to one side and the edges of the plywood.
  
  
• 2). Mix a batch of fiberglass resin and catalyst. Apply the mixture and fiberglass cloth to the side and edges of the plywood. Allow the fiberglass to harden and apply a second layer of fiberglass. Allow the fiberglass to harden.
  
  
• 3). Stand the door on one end. Tap the fiberglass face of the door with the butt of your hand and remove the plywood.
  
  
• 4). Smooth and evenly contour both faces and all edges of the fiberglass door with the finish sander. Test the fit of the door on the locker. If necessary, continue to contour the edges for an exact fit on all sides.