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A heavier 40 × 20 mm frame
Easy Grow
Arched tunnel
Best for A sturdier arched frame on a budget
An arched tunnel greenhouse built on a 40 × 20 mm galvanized profile — a sturdier frame for gardeners who want more years from one structure.
Your selected size
- Footprint
- 3 × 4 m
- Floor area
- 12 m²
- Panel thickness
- 4 mm
Ask for a delivery estimate for your location
SKU CF-3x4-4
- Curbside freight delivery to the contiguous US.
- Real people answer sizing and delivery questions.
Made for your garden
Meet the Easy Grow
Gardeners who have outgrown a light frame, or live where a stiffer structure gives more peace of mind.
Built-in benefits
40 × 20 mm galvanized profile
Twice the profile depth of our Simple Plus frame.
Bolted, not welded
Connections you can re-tighten yourself over the years.
Ships flat-packed
Frame and panels arrive palletized for curbside delivery.
Specifications
- Frame material
- Galvanized steel
- Covering
- Twin-wall polycarbonate
What’s included
- Frame, polycarbonate panels, doors and fixings
- Assembly instructions
Need help choosing a size?
Tell us about your garden and what you want to grow.
Compare with
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Straight-wall arch
Grow Master 300
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From$1,349
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Photo 1 of 5
Traditional gable
Royal Garden
Best for A traditional look in a planted garden
From$2,299
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