Back (layer 1): 1 4" Luan
Frame (layer 2): 1- 3 8" Clear Vertical Grain Hemlock Deep Plowed
Insulation: 1 2" Polystyrene is optional and considered an upgrade
Panels (option 1): 3 8" Aquatek Marine Ply recessed panels
Panels (option 2): 5 8" Edge-Glued Hemlock raised panels
Stiles: Single center stiles