14ft (4.26m) Highland Super Strength Polytunnel
🌿 Garden Super Strength Polytunnel — Proven in the Highlands for 22 Years
For over twenty years, our Garden Super Strength Polytunnel has been rigorously tested throughout the Highlands and Islands of Scotland, consistently proving its outstanding durability and performance. Manufactured from 50mm galvanised steel, it is engineered to withstand some of the harshest weather conditions in the UK — from the exposed west coast and the Outer Hebrides to Orkney, Shetland, and even the Falkland Islands. This long‑term, real‑world testing is what sets our Super Strength range apart, giving growers complete confidence in its resilience and longevity.
Built for Extreme Conditions
Every component of the Garden Super Strength Polytunnel is designed to deliver maximum stability and long‑term reliability. The heavy‑duty steel framework resists high winds, driving rain and coastal weather, making it the ideal choice for growers in exposed or challenging locations.
Premium Construction
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50mm Galvanised Steel Hoops Thick‑walled steel provides exceptional rigidity and long‑term corrosion resistance.
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Reinforced Bracing Strategic bracing throughout the structure ensures superior stability in adverse weather.
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High‑Quality Polythene Cover UV‑stabilised, diffused polythene promotes even light distribution and reduces scorching, supporting healthier plant growth.
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Designed for Serious Growers
Whether you’re producing vegetables, fruit, flowers or specialist crops, the Garden Super Strength Polytunnel offers a controlled growing environment that extends your season and protects your plants year‑round. Its robust design makes it suitable for both domestic and small‑scale commercial use.
View
£1,402.00
£1,252.00
Built for exposed locations, engineered for long‑term performance.
Included in this package
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Ground tubes for soil installation provide a secure foundation and long‑term stability.
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High‑tensile galvanised steel hoops (50.8mm OD) Heavy‑duty 2" hoops designed to withstand harsh weather, ideal for coastal and island environments.
-
A full set of crop bars adds structural rigidity and increases wind- and snow‑load resistance.
-
Three ridge bars (two additional), Extra reinforcement running the full length of the tunnel for superior strength in exposed sites.
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Two Single sliding doors.
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Pressure‑treated timber base rails Installed at ground level to secure the cover and ensure a tight, professional finish.
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Anti‑hotspot tape Protects the polythene from heat transfer off the steelwork, extending cover life.
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Cover Specification
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Super Therm Diffused Cover — 800 gauge / 200 micron
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Triple‑layer construction for outstanding durability and light diffusion.
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7‑year manufacturer’s guarantee Designed for high performance in demanding climates.
-
Compare the 10ft x 10ft Super Strength
£1,580.00
£1,430.00
🌱Built for exposed locations, engineered for long‑term performance.
Included in this package
-
Ground tubes for soil installation provide a secure foundation and long‑term stability.
-
High‑tensile galvanised steel hoops (50.8mm OD) Heavy‑duty 2" hoops designed to withstand harsh weather, ideal for coastal and island environments.
-
A full set of crop bars adds structural rigidity and increases wind- and snow‑load resistance.
-
Three ridge bars (two additional), Extra reinforcement running the full length of the tunnel for superior strength in exposed sites.
-
Two Single sliding doors.
-
Pressure‑treated timber base rails Installed at ground level to secure the cover and ensure a tight, professional finish.
-
Anti‑hotspot tape Protects the polythene from heat transfer off the steelwork, extending cover life.
-
Cover Specification
-
Super Therm Diffused Cover — 800 gauge / 200 micron
-
Triple‑layer construction for outstanding durability and light diffusion.
-
7‑year manufacturer’s guarantee Designed for high performance in demanding climates.
-
Compare the 10ft x 15ft Super Strength.
£1,783.00
£1,633.00
🌱Built for exposed locations, engineered for long‑term performance.
Included in this package
-
Ground tubes for soil installation provide a secure foundation and long‑term stability.
-
High‑tensile galvanised steel hoops (50.8mm OD) Heavy‑duty 2" hoops designed to withstand harsh weather, ideal for coastal and island environments.
-
A full set of crop bars adds structural rigidity and increases wind- and snow‑load resistance.
-
Three ridge bars (two additional), Extra reinforcement running the full length of the tunnel for superior strength in exposed sites.
-
Two Single sliding doors.
-
Pressure‑treated timber base rails Installed at ground level to secure the cover and ensure a tight, professional finish.
-
Anti‑hotspot tape Protects the polythene from heat transfer off the steelwork, extending cover life.
-
Cover Specification
-
Super Therm Diffused Cover — 800 gauge / 200 micron
-
Triple‑layer construction for outstanding durability and light diffusion.
-
7‑year manufacturer’s guarantee . Designed for high performance in demanding climates.
-
Compare the 10ft x 20ft Super Strength.
£1,958.00
£1,808.00
🌱Built for exposed locations, engineered for long‑term performance.
Included in this package
-
Ground tubes for soil installation provide a secure foundation and long‑term stability.
-
High‑tensile galvanised steel hoops (50.8mm OD) Heavy‑duty 2" hoops designed to withstand harsh weather, ideal for coastal and island environments.
-
A full set of crop bars adds structural rigidity and increases wind- and snow‑load resistance.
-
Three ridge bars (two additional), Extra reinforcement running the full length of the tunnel for superior strength in exposed sites.
-
Two Single sliding doors.
-
Pressure‑treated timber base rails Installed at ground level to secure the cover and ensure a tight, professional finish.
-
Anti‑hotspot tape Protects the polythene from heat transfer off the steelwork, extending cover life.
-
Cover Specification
-
Super Therm Diffused Cover — 800 gauge / 200 micron
-
Triple‑layer construction for outstanding durability and light diffusion.
-
7‑year manufacturer’s guarantee . Designed for high performance in demanding climates.
-
Compare the 10ft x 25ft Super Strength.
£2,134.00
£1,984.00
🌱Built for exposed locations, engineered for long‑term performance.
Included in this package
-
Ground tubes for soil installation provide a secure foundation and long‑term stability.
-
High‑tensile galvanised steel hoops (50.8mm OD) Heavy‑duty 2" hoops designed to withstand harsh weather, ideal for coastal and island environments.
-
A full set of crop bars adds structural rigidity and increases wind- and snow‑load resistance.
-
Three ridge bars (two additional), Extra reinforcement running the full length of the tunnel for superior strength in exposed sites.
-
Two Single sliding doors.
-
Pressure‑treated timber base rails Installed at ground level to secure the cover and ensure a tight, professional finish.
-
Anti‑hotspot tape Protects the polythene from heat transfer off the steelwork, extending cover life.
-
Cover Specification
-
Super Therm Diffused Cover — 800 gauge / 200 micron
-
Triple‑layer construction for outstanding durability and light diffusion.
-
7‑year manufacturer’s guarantee . Designed for high performance in demanding climates.
-
Compare the 10ft x 30ft Super Strength.
£2,340.00
£2,190.00
🌱Built for exposed locations, engineered for long‑term performance.
Included in this package
-
Ground tubes for soil installation provide a secure foundation and long‑term stability.
-
High‑tensile galvanised steel hoops (50.8mm OD) Heavy‑duty 2" hoops designed to withstand harsh weather, ideal for coastal and island environments.
-
A full set of crop bars adds structural rigidity and increases wind- and snow‑load resistance.
-
Three ridge bars (two additional), Extra reinforcement running the full length of the tunnel for superior strength in exposed sites.
-
Two Single sliding doors.
-
Pressure‑treated timber base rails Installed at ground level to secure the cover and ensure a tight, professional finish.
-
Anti‑hotspot tape Protects the polythene from heat transfer off the steelwork, extending cover life.
-
Cover Specification
-
Super Therm Diffused Cover — 800 gauge / 200 micron
-
Triple‑layer construction for outstanding durability and light diffusion.
-
7‑year manufacturer’s guarantee. Designed for high performance in demanding climates.
-
Compare the 10ft x 35ft Super Strength.
£2,546.00
£2,396.00
🌱Built for exposed locations, engineered for long‑term performance.
Included in this package
-
Ground tubes for soil installation provide a secure foundation and long‑term stability.
-
High‑tensile galvanised steel hoops (50.8mm OD) Heavy‑duty 2" hoops designed to withstand harsh weather, ideal for coastal and island environments.
-
A full set of crop bars adds structural rigidity and increases wind- and snow‑load resistance.
-
Three ridge bars (two additional), Extra reinforcement running the full length of the tunnel for superior strength in exposed sites.
-
Two Single sliding doors.
-
Pressure‑treated timber base rails Installed at ground level to secure the cover and ensure a tight, professional finish.
-
Anti‑hotspot tape Protects the polythene from heat transfer off the steelwork, extending cover life.
-
Cover Specification
-
Super Therm Diffused Cover — 800 gauge / 200 micron
-
Triple‑layer construction for outstanding durability and light diffusion.
-
7‑year manufacturer’s guarantee. Designed for high performance in demanding climates.
-
Compare the 10ft x 40ft Super Strength.
£2,728.00
🌱Built for exposed locations, engineered for long‑term performance.
Included in this package
-
Ground tubes for soil installation provide a secure foundation and long‑term stability.
-
High‑tensile galvanised steel hoops (50.8mm OD) Heavy‑duty 2" hoops designed to withstand harsh weather, ideal for coastal and island environments.
-
A full set of crop bars adds structural rigidity and increases wind- and snow‑load resistance.
-
Three ridge bars (two additional), Extra reinforcement running the full length of the tunnel for superior strength in exposed sites.
-
Two Single sliding doors.
-
Pressure‑treated timber base rails Installed at ground level to secure the cover and ensure a tight, professional finish.
-
Anti‑hotspot tape Protects the polythene from heat transfer off the steelwork, extending cover life.
-
Cover Specification
-
Super Therm Diffused Cover — 800 gauge / 200 micron
-
Triple‑layer construction for outstanding durability and light diffusion.
-
7‑year manufacturer’s guarantee. Designed for high performance in demanding climates.
£2,900.00
£2,750.00
Included in this kit.
Ground tubes for soil.
High-tensile galvanized hoops with a 50.8mm (2'') outside diameter
Set of crop bars for added durability
Two additional ridge bars that run along the length of the polytunnel, making a total of three.
Treated timber base rails are placed at ground level to enable you to attach the cover.
Anti-hotspot tape to protect the cover against the hot steelwork.
Two single sliding doors for each end of the polytunnel.
It is covered with a diffused ''Super Therm Cover'' 800 gauge/200 micron and made up of 3 layers for outstanding strength and performance. with a 7-year guarantee.
The prices quoted are inclusive of Vat.