The Premium Package Includes:

For professional installation services

Automatically opens your roof vent as the greenhouse heats up

UV resistant

In the 2nd stage it is digested rapidly with generous ventilation

Hoklartherm | FREE 6 inch High Foundation Frame with select Riga Greenhouses Size:RIGA S3 (7'8" W x 10'6" L x 6" H) (Free with greenhouse) The Premium Package Includes:Add this Foundation Frame to your cart with a corresponding Riga greenhouse and the price for the Frame will automatically become FREE with your purchase. Applies to RIGA S2, S3, S4, L3, L4, and L5 greenhouse models when ordered and delivered together with the Foundation Frame, during this month only! This 6" high Foundation Frame only works with the Hoklartherm RIGA Greenhouses. It can be used to replace a concrete or wooden footing. It will be