Details of the Octagon Greenhouse - Panelized KitOctagon Greenhouse. Made in the USA with Amish Craftsmanship. Another awesome design.These panelized kits come pre-assembled, with LP Smartside paneling that is primed and ready to paint! Panelized means the walls are in prefabbed sections, everything else is precut and labeled for you! NO EXTRA CUTTING! With these kits the customer provides paint. An detailed manual is included along with; 29 - 18x22 Windows with grids and screens; 14 - 10x18 Transom windows; Colonial Dutch Door; Corrugated polycarbonate roofing; Interior shelves; Rods for hanging baskets. DIY Floor Kit includes: 4x4 Pressure Treated Runners, 5/8" Plywood Flooring, 2x4 Floor Joists, 16' o.c.