#GreenhousePlan 85924 is to be built on a wood floor with 4 x 4 runners. Height from floor to peak: 11'3.5". Left wall height: 8'. This is a wonderful complement to any backyard and the perfect storage space for lawn equipment, plants or flowers. Plenty of windows make gardening possible all year round. Plans come with a complete list of materials and step-by-step instructions.