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Greenhouses, Frames and Growing Accessories

Agromax 4 × 20 m Polycarbonate Greenhouse, 6 mm

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Agromax 4 × 20 m polycarbonate greenhouse

A greenhouse with room to plan The Agromax is a 4 × 20 m greenhouse with a clear 6 mm polycarbonate covering. Its 80 m² area and 2.96 m height give you key dimensions to consider when planning beds, paths and space for taller plants. The frame is made from galvanised steel, and the covering is listed as 17 polycarbonate sheets. Use the measurements to check how the greenhouse fits your intended growing area.

Details to help you plan

  1. An 80 m² footprint: At 4 m wide and 20 m long, this greenhouse provides a defined footprint for planning growing rows, beds and paths.
  2. A stated height of 2.96 m: Check the listed height against your available space and the clearance you want for taller plants.
  3. Clear 6 mm polycarbonate: The covering is specified as clear or transparent 6 mm polycarbonate, supplied as 17 sheets.
  4. Galvanised steel frame: The frame uses 40 × 20 mm and 20 × 20 mm profiles. The listed spacing between arches is 200 cm.
  5. Extendable in 2 m sections: The described extension method adds sections between existing sections, rather than at the end walls. Additional sections are needed for a longer configuration; the supplied details do not specify whether they are included.

Experiences with Bloomcabin

  1. "Ordering from Bloomcabin was straightforward, and the team answered my questions before I purchased. I'm very happy with my choice." – Olivia Wilson
  2. "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
  3. "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

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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: Agromax-Frame-4x20-00342-8x00316-LC6-L17
  • Colour: Colourless / transparent
  • Size: 4x20 m
  • Height: 2.96 m
  • Length: 20 m
  • Area: 80 m2
  • Arch spacing: 200 cm
  • Frame: Galvanised steel
  • Frame: ∎ 40x20 & 20x20 mm
  • Rust protection: Galvanising
  • Polycarbonate: 6 mm
  • Polycarbonate sheets: 17 pieces
  • Packaging: Number of packages: 1; package dimensions: 166 × 99 × 9 cm; package weight: 25 kg; Number of packages: 1; package dimensions: 186 × 32 × 9 cm; package weight: 27 kg; Number of packages: 1; package dimensions: 166 × 99 × 5 cm; package weight: 27 kg; Number of packages: 1; package dimensions: 186 × 32 × 5 cm; package weight: 27 kg; Number of packages: 1; package dimensions: 120 × 194 × 9 cm; package weight: 10 kg; Number of packages: 1; package dimensions: 196 × 22 × 8 cm; package weight: 5 kg; Number of packages: 1; package dimensions: 182 × 12 × 8 cm; package weight: 4 kg; Number of packages: 1; package dimensions: 210 × 80 × 80 cm; package weight: 22 kg; Number of packages: 8; package dimensions: 166 × 99 × 5 cm; package weight: 17 kg; Number of packages: 8; package dimensions: 186 × 32 × 5 cm; package weight: 18 kg; Number of packages: 8; package dimensions: 210 × 80 × 80 cm; package weight: 34 kg
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10 year warranty
Bloomcabin takes pride in its high-quality products and maintains these standards every day through a range of manufacturing and quality-control processes. This is backed by a 20-year warranty covering wood rot in timber structures and a 10-year warranty covering functional defects.
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