The optional base for the Rion Grand Greenhouses is made from maintenance free and rot resistant resin and sits beneath the walls of the greenhouse, creating a frame that can be buried in soil or concrete, or it can be anchored to solid ground. 

The Rion Grand base is compatible with the following models

• Rion Grand 8 x 8 Greenhouse (POL140) - £186
• Rion Grand 8 x 12 Greenhouse (POL141) - £232
• Rion Grand 8 x 16 Greenhouse (POL142) - £279
• Rion Grand 8 x 20 Greenhouse (POL143) - £325