A 3 × 4 m greenhouse for your garden
Meet the GARDENER DuoArch The GARDENER DuoArch is a 3 × 4 m greenhouse with a stated area of 12 m² and a height of 213 cm. Its galvanised steel frame has a double-arch design, with the arches spaced 100 cm apart. The greenhouse is supplied with 4 mm cellular polycarbonate panels, two doors and two windows.
Details to help you plan
- A clearly defined growing space: The listed size is 3 × 4 m, with a stated area of 12 m² and a length of 400 cm. Use these measurements to check how the greenhouse fits your garden plans before choosing a position.
- Double-arch frame: The frame is made from galvanised steel and uses connected double arches. The specifications list the arches at 100 cm apart.
- 4 mm polycarbonate: The greenhouse is supplied with 4 mm cellular polycarbonate panels. The stated thickness is useful to check when comparing the covering with your plans.
- Two doors and two windows: The product details list two doors and two windows. Factor their number into your access and ventilation plans.
- Check the height and length: The stated height is 213 cm and the length is 400 cm. Compare these measurements, along with the listed 3 × 4 m size, with the space available for your greenhouse.
Experiences with Bloomcabin 
- "Ordering from Bloomcabin was straightforward, and the team answered my questions before I purchased. I'm very happy with my choice." – Emma Wilson
- "My order arrived carefully packaged and was exactly as described. The quality met my expectations, and I would happily purchase from Bloomcabin again." – Daniel Clarke
- "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." – Sophie Bennett
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: PR.00442-4mm
- Colour: Clear / transparent
- Size: 3x4 m
- Height: 213 cm
- Length: 400 cm
- Area: 12 m2
- Polycarbonate: 4 mm
- Polycarbonate sheets: 4 sheets / 6 m
- Doors: 2
- Windows: 2
- Frame: Galvanised steel
- Frame thickness: ∎ 20x40 & 20x20 mm
- Rust protection: Galvanisation
- Arch spacing: 100 cm
- Packaging: Number of packages: 1; package dimensions: 211 × 12 × 3 cm; package weight: 1.5 kg; Number of packages: 1; package dimensions: 170 × 12 × 4 cm; package weight: 6.2 kg; Number of packages: 1; package dimensions: 19 × 21 × 24 cm; package weight: 7.9 kg; Number of packages: 1; package dimensions: 293 × 76 × 7 cm; package weight: 11.3 kg; Number of packages: 1; package dimensions: 98 × 26 × 8 cm; package weight: 19.8 kg; Number of packages: 1; package dimensions: 102 × 220 × 15 cm; package weight: 29 kg; Number of packages: 1; package dimensions: 210 × 70 × 70 cm; package weight: 32 kg