20ft Walk-In Polytunnel Greenhouse with Galvanized Steel Frame and PE Cover

FREE DELIVERY 5–8 WORKING DAYS

Available to purchase on our website/no collection available.

Price Green €359

Price White €349


Asking price only.

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20ft Walk-In Polytunnel Greenhouse with Galvanized Steel Frame and PE Cover

Grow your own fruit, vegetables, herbs, and flowers all year round with this spacious 20ft walk-in polytunnel greenhouse. Built with a reinforced galvanized steel frame and a durable UV-protected PE cover, this heavy-duty tunnel greenhouse is designed to withstand Irish weather while providing the ideal environment for healthy plant growth.

Key Features
Excellent Air Ventilation

Featuring 12 mesh windows and 2 large roll-up zipped doors, this polytunnel delivers superb cross-ventilation while helping to keep insects and pests out. Fresh air circulates freely to maintain a healthy growing environment and reduce excess humidity.

Heavy-Duty Galvanized Steel Frame

Constructed from 0.8 inch (approx. 20 mm) diameter galvanized steel tubing with a wall thickness of 0.02 inch (approx. 0.5 mm). The reinforced design includes:

3 top support beams
4 diagonal support poles
Rust-resistant galvanized finish

Built for excellent strength and stability in wind, rain, and snowy conditions.

Durable 140 g/m² PE Cover

The premium polyethylene cover is:

Waterproof
UV-resistant
Tear-resistant
Frost and hail resistant

The close-fitting cover helps improve insulation and enhances wind resistance for year-round protection.

Spacious Walk-In Design

With generous dimensions of approximately 590 x 295 x 198 cm (20 x 10 x 7 ft), this large greenhouse provides ample room for raised beds, shelving, and comfortable access for planting and harvesting.

Easy Assembly

Supplied with all necessary fittings and clear instructions for straightforward assembly.

Specifications
Dimensions: 590 x 295 x 198 cm
Approximate Size: 20 x 10 x 7 ft
Frame Material: Galvanized Steel
Cover Material: 140 g/m² PE
Weight: 30.6 kg
Mesh Windows: 12
Doors: 2 Roll-Up Zipped Doors
Top Beams: 3
Diagonal Poles: 4
Colours Available: Green or White
Package Includes
1 x Tunnel Greenhouse Frame
1 x PE Cover
2 x Spanners
4 x Ground Stakes
4 x Guy Ropes
Full Assembly Instructions
Ideal For
Vegetables
Tomatoes
Herbs
Flowers
Seedlings
Raised Bed Gardening
Why Choose This Polytunnel?

Designed for gardeners who want a strong, spacious, and reliable greenhouse, this 20ft walk-in polytunnel offers excellent ventilation, weather resistance, and plenty of growing space to help your plants thrive.

Free Nationwide Delivery in Ireland

Order online today from McAfees Shop and enjoy secure checkout with an Irish VAT-registered trader.

No offers under the asking price