A large-format greenhouse for growing space at scale
MEGA PREMIUM 8 × 20 m greenhouse The MEGA PREMIUM greenhouse measures 8 × 20 m, with a stated area of 160 m². Its 3 m overall height and 2 m wall height define a substantial growing structure for customers planning a large greenhouse footprint. The specification lists two doors and a 6 mm polycarbonate cladding thickness. For this size, 24 sheets measuring 6 m each are listed as required.
Details to help you plan
- A 160 m² footprint: At 8 m wide and 20 m long, this model is suited to plans that call for a sizeable enclosed growing area. Check the dimensions against the space available before choosing it.
- Galvanised steel frame: The frame uses galvanised C-section steel profiles measuring 89 × 41.2 × 39 × 10 × 10 mm. The listed profile thicknesses are 0.8 mm and 1.2 mm.
- Zinc coating specification: The frame’s stated corrosion-protection specification is galvanising at Z275 g/m². This provides a clear material detail to consider when comparing greenhouse frames.
- 6 mm polycarbonate cladding: The listed cladding is 6 mm polycarbonate, with 24 sheets of 6 m required for this greenhouse size. The supplied components are not confirmed, so check whether the sheets are included before planning your build.
- Two doors; windows not included: The specification lists two doors, each measuring 92 × 210 cm. Windows are not included; the listed window size is 100 × 100 cm. An additional window is described as a separate option.
Experiences with Bloomcabin 
- "Ordering from Bloomcabin was straightforward, and the team answered my questions before I purchased. I'm very happy with my choice." – Olivia Wilson
- "My order arrived carefully packaged and was exactly as described. The quality met my expectations, and I would happily purchase from Bloomcabin again." – Jack Thompson
- "I had a question about my delivery, and Bloomcabin's customer support was friendly and helpful. They kept me informed and made the whole experience easy." – Charlotte Brown
Flexible payment options
We offer flexible and secure payment methods to make your shopping experience smooth and convenient.
Order now and save 45% with Bloomcabin. Bring your home and garden ideas to life, with helpful customer support from choosing your product to arranging delivery.
- Article number: 8x20-GH-Mega-Premium-6mm
- Colour: Clear / transparent
- Size: 8x20 m
- Area: 160 m2
- Length: 20 m
- Height: 300 cm
- Side wall height: 200 cm
- Spacing between arches: 200 cm
- Frame: 89x41.2x39x10x10 mm C-section galvanised steel
- Frame thickness: 0.8 | 1.2 mm
- Corrosion protection: Galvanising Z275 g/m2 (C3)
- Polycarbonate: 6 mm
- Polycarbonate sheets: 24 sheets / 6 m
- Doors: 2 doors
- Door size: 92x210 cm
- Windows: Not included
- Window size: 100x100 cm
- Snow load: 130-160 kg/m2
