- 1). Measure the top of the molding around the attic hatch. Cut the weatherstripping to this length.
- 2). Apply the weatherstripping to the top of the molding (the side of the molding that is in the attic).
- 3). Measure the top of the plywood access panel. Cut three pieces of rigid foam board to those measurements.
- 4). Glue the three pieces of foam board on top of one another. Use construction adhesive made for rigid foam board.
- 5). Glue the rigid foam board onto the top side of the attic hatch.