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Garden Greenhouses

COMFORT 3 × 4 m Greenhouse, 4 mm Polycarbonate

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COMFORT 3 × 4 m Greenhouse with 4 mm Polycarbonate

A practical growing space COMFORT is a 3 × 4 m greenhouse with a stated growing area of 12 m². It has a clear 4 mm polycarbonate covering and a galvanised steel frame. The listed height is 200 cm, and the listed length is 400 cm. Compare these measurements with your planned site before choosing a position.

Product details

  1. 12 m² growing area: The stated area gives you room to plan a layout for vegetables, herbs or young plants.
  2. Height and length: The listed height is 200 cm and the length is 400 cm. Check both measurements against the space you have available.
  3. Clear polycarbonate covering: The covering is specified as clear polycarbonate, 4 mm thick.
  4. Galvanised steel frame: The frame sections are listed as 40 × 20 mm and 20 × 20 mm. Galvanising is the stated corrosion protection.
  5. Arches, doors and vents: The arches are spaced 100 cm apart. The product details also list doors at both ends and vents at the ends, useful details to consider when assessing access and ventilation layout.

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." – Aoife Murphy
  2. "My order arrived carefully packaged and was exactly as described. The quality met my expectations, and I would happily purchase from Bloomcabin again." – Conor Walsh
  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." – Niamh O'Brien

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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: KO.GH.Comfort2025-3x4-4mm
  • Colour: Colourless / transparent
  • Size: 3x4 m
  • Height: 200 cm
  • Length: 400 cm
  • Area: 12 m2
  • Polycarbonate thickness: 4 mm
  • Frame: Galvanised steel; 40x20 & 20x20 mm
  • Rust protection: Galvanisation
  • Spacing between arches: 100 cm
  • Packaging: 1 package; dimensions: 38 × 24 × 6 cm; weight: 1 kg; 1 package; dimensions: 194 × 44 × 7 cm; weight: 14 kg; 1 package; dimensions: 210 × 70 × 70 cm; weight: 32 kg; 1 package; dimensions: 205 × 102 × 7 cm; weight: 37 kg
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10 year warranty
Bloomcabin is proud of 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 against wood rot in timber structures and a 10-year warranty against functional defects.
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