Large Walk-In Tunnel Greenhouse 30 x 10 ft Heavy Duty Polytunnel with Galvanised Steel Frame, 12 Windows and Green PE Cover
Create the perfect growing space for your plants, vegetables and flowers with this Large Walk-In Tunnel Greenhouse measuring 9m x 3m x 2m. Designed for spacious outdoor growing, this heavy-duty polytunnel greenhouse features a reinforced galvanised steel frame, a peaked roof, a durable 140g/m² PE cover and 12 ventilation windows.
Ideal for Irish gardens, allotments, small farms and horticultural growing areas, this large garden greenhouse offers generous room for cultivating vegetables, fruit, herbs, flowers and seedlings while helping protect plants from changing weather conditions.
With approximately 27m² of growing space, this walk-in greenhouse provides plenty of room for planting beds, shelving, pots and gardening equipment.
Features
Extra-Large 30 x 10 ft Walk-In Greenhouse – spacious 9m-long growing tunnel offering approximately 27m² of covered growing space.
Heavy-Duty Galvanised Steel Frame – reinforced metal framework designed for strength, durability and outdoor use.
Peaked Roof Design – helps rainwater run off and reduces the accumulation of water and snow compared with flatter roof designs.
Durable 140g/m² PE Cover – thick, high-density polyethylene covering designed to provide weather protection and help retain warmth.
12 Ventilation Windows – strategically positioned windows allow fresh air to circulate and help regulate temperature and humidity.
Mesh-Covered Windows – provide ventilation while helping prevent insects and small pests from entering.
Large Roll-Up Zipped Door – provides convenient access for gardening, watering, planting and moving equipment.
Reinforced Frame Supports – additional diagonal bracing and reinforced door poles improve structural stability.
Ground Stakes and Tie-Downs Included – help secure the greenhouse when installed correctly in a suitable location.
Reinforced Cover Stitching – double-stitched seams and strengthened window edges help improve durability.
Extended Cover Edges – can be buried in soil or securely weighted down to help reduce draughts and improve stability.
Generous 2m Height – allows comfortable walk-in access for planting, watering and maintaining crops.
Versatile Growing Space – suitable for vegetables, herbs, flowers, seedlings, fruit plants and seasonal gardening projects.
Practical Green Cover – blends naturally into gardens, allotments and rural outdoor settings.
Product Specifications
Product Type: Large Walk-In Tunnel Greenhouse / Garden Polytunnel
Colour: Green
Frame Material: Galvanised Steel
Cover Material: High-Density Polyethylene (PE)
Cover Thickness: 140g/m²
Overall Dimensions: 900 × 300 × 200 cm (L × W × H)
Approximate Size in Feet: 29.5 × 9.8 × 6.6 ft
Approximate Ground Coverage: 27m²
Length: 9m
Width: 3m
Height: 2m
Ventilation Windows: 12
Window Features: Mesh Netting and Adjustable Covers
Door: Large Roll-Up Zipped Entrance
Roof Design: Peaked Roof
Frame Reinforcement: Diagonal Support Bars and Reinforced Door Poles
Ground Fixings: U-Shaped Stakes and Tie-Downs
Product Weight: Approximately 40kg
Assembly Required: Yes
Spacious 27m² Growing Area for Vegetables, Flowers and Plants
This large garden polytunnel provides an excellent solution for gardeners who need additional protected growing space.
The generous 9m length allows you to arrange multiple planting beds, vegetable rows, plant pots or greenhouse shelving while maintaining convenient access for everyday gardening tasks.
Ideal for growing tomatoes, peppers, cucumbers, lettuce, herbs, strawberries, flowers and a wide variety of seasonal crops.
The protective PE covering helps create a sheltered growing environment, allowing gardeners to start certain plants earlier in the season and extend growing opportunities later into the year, depending on local conditions.
Reinforced Galvanised Steel Frame and Protective PE Cover
Built with a galvanised steel framework, this greenhouse is designed to provide a strong supporting structure for the protective cover.
The peaked roof encourages rainwater runoff, while reinforced door supports and diagonal bracing provide additional structural stability.
The 140g/m² PE cover features reinforced stitching and extended ground edges that can be buried or securely weighted down during installation.
This helps reduce draughts and improves the greenhouse's ability to maintain a more sheltered growing environment.
12 Ventilation Windows for Improved Airflow
Proper ventilation is essential for maintaining a healthy greenhouse environment.
This polytunnel features 12 adjustable ventilation windows to encourage fresh air circulation and help manage heat and humidity.
Mesh netting helps keep insects and small pests outside while allowing airflow.
The large roll-up zipped entrance provides additional ventilation when required and allows convenient access for planting, watering and general maintenance.
Ideal for Irish Gardens, Allotments and Small Farms
Whether you're growing vegetables for your household, raising seedlings or expanding an existing gardening area, this spacious walk-in greenhouse provides a practical and versatile solution.
Suitable for:
Home Gardens and Allotments
Vegetable and Fruit Growing
Seedling Propagation
Flower and Herb Cultivation
Small Farms and Horticultural Projects
Seasonal Plant Protection
Greenhouse Shelving and Raised Growing Beds
Important Assembly and Weather Information
This is a large 9m-long greenhouse supplied for self-assembly. Installation should be carried out carefully on suitable, level ground, following the manufacturer's instructions.
The frame must be securely anchored, and the extended cover edges should be properly buried or weighted down as recommended.
Please Note: Although designed for outdoor use, a PE-covered tunnel greenhouse is not a permanent storm-proof structure. It should be positioned in a sheltered location wherever possible and is not suitable for severe storms, extreme winds or heavy snow accumulation. Snow should not be allowed to build up on the roof. Regularly inspect the cover, fixings and anchors, particularly during adverse weather.
Correct assembly, anchoring and ongoing maintenance are essential for safe use and product longevity.

