Shipping Included. Authorized Riga Dealer. The Riga Garden Greenhouse is one of the most attractive and well made hobby Greenhouse. It features an attractive onion-shaped, sturdy rustproof, extruded aluminum frame helps shed heavy snow loads. The unique channel design of the aluminum components in the frame allows for simple slide and fit assembly. The Riga has a heavy duty Dutch door that allows to open the top half while leaving the bottom closed or open as a solid unit, this provides proper air circulation and keeps the pest out. The Dutch door is 30 inch wide that allows easy access for most wheelbarrows. The Riga Garden Greenhouse is covered with sturdy 8 millimeter twin wall polycarbonate on the roof and side walls, the end walls are covered with heavy duty 10 millimeter twin wall polycarbonate. This kind of covering provides better insulation making your Greenhouse easier to keep cool in the summer and warm during the winter months. Available in HG-RG-CLX or HG-RG-DLX models....