The Door Extension Kit allows increasing your Riga XL greenhouse by 20 inches. You have to install your greenhouse kit on a stem wall. This reduces the need to construct a style to get over a raised door frame.
Features & Benefits
- Anodized aluminum frame
- 10mm UV-coated twin-wall Polycarbonate glazing
- Reduces the need to construct a style to get over a raised door frame
- includes the extension for both doors
- Material: Aluminum