we definitely recommend this Door Extension Kit If you would are building a Riga 3, 4 or 5 Greenhouse over a stem wall, When you build a stem wall, you will have to drop the door to the ground and the space above it will need to be covered. This extension kit will cover as much as 20 inches of extra height above the door.
Specifications and features:
🌿 Kit will ad 20 inches above your regular Riga Door
🌿 Just like the Riga Frame, this extensions is made of Anodized aluminum frame
🌿 The glazing is the same one used for the Riga Greenhouse (10 mm Twin Wall Polycarbonate).
we definitely recommend this Door Extension Kit If you would are building a Riga 3, 4 or 5 Greenhouse over a stem wall, When you build a stem wall, you will have to drop the door to the ground and the space above it will need to be covered. This extension kit will cover as much as 20 inches of extra height above the door.
Specifications and features:
🌿 Kit will ad 20 inches above your regular Riga Door
🌿 Just like the Riga Frame, this extensions is made of Anodized aluminum frame
🌿 The glazing is the same one used for the Riga Greenhouse (10 mm Twin Wall Polycarbonate).