Janssens™ Greenhouse Drop-Door KitDESCRIPTION This extension door kit allows a standard Royal Victorian greenhouse to be placed on top of a perimeter wall usually 20" 36" high (24" might be best). Please tell us exactly how high you want your wall to be, we can cut parts to the exact size. WHAT IS INCLUDED 1 Bundle 3 Sets This Kit does not include the new glass panels needed above the doors Click to check all Janssens Greenhouses SPEC FRAME COLOR Black Dark Green FRAME MATERIALS Heavy