Description
Garden Polytunnel Greenhouse
This Sigma polytunnel greenhouse provides a practical covered growing space designed to support healthy plant development. Suitable for both garden and allotment use, it helps create consistent growing conditions for a wide range of plants.
Built to handle changing weather, the structure offers protection while allowing you to manage airflow and temperature more effectively. It is a useful solution for extending your growing season and starting plants earlier in the year.
Why Choose This Polytunnel?
This polytunnel helps protect plants from exposure while supporting steady growth in a more controlled environment. It is particularly useful in areas where weather conditions can vary throughout the season.
Standout Features:
Constructed with galvanised steel and 6mm twin-wall polycarbonate
Two doors on either end for improved access and airflow
The top third of the door opens for additional ventilation
Steel-bordered openings for a secure, draught-reducing fit
805mm wide doors for easy entry and movement
Supports earlier propagation and extends the growing season
T-shaped anchors on vertical beams secure the frame into the ground, with optional angle brackets for fixing to a solid base
UV-treated, double-wall polycarbonate with a 5-year warranty, offering strong insulation and impact resistance while remaining lightweight
Stainless steel baselines and ground-anchored beams improve overall stability
Door ventilation panels help regulate airflow and temperature during warmer conditions
Internal frame structure supports shelving on the sides and hanging or training plants overhead
Suitable for gardens, allotments, and protected growing environments
Specifications:
Frame includes a 2-year strong storms warranty and 5 years for the polycarbonate panels.
Material: Polycarbonate and galvanised steel.
9.8ft x 13ft:
Width: 3m
Length: 4m
9.8ft x 19.6ft:
Width: 3m
Length: 6m
9.8ft x 26ft:
Width: 3m
Length: 8m
9.8ft x 33ft:
Width: 3m
Length: 10m
9.8ft x 39.4ft:
Width: 3m
Length: 12m
Instructions are included. Installation video available.
Frame dimensions:
The frame uses square galvanised steel pipe (40 × 20 mm), allowing for a quicker and more straightforward installation compared to other greenhouse designs.
NOTE: growbeds and accessories are not included.