How to Secure a Polytunnel from Wind

by | Mar 22, 2023 | How To

How to Secure a Polytunnel from Wind

Guide to Securing a Polytunnel From Wind

Polytunnels have become increasingly popular among gardeners and farmers for their ability to extend the growing season and protect crops from harsh weather conditions.

However, one of the biggest challenges associated with using polytunnels is ensuring they are secure in high winds. Failure to secure a polytunnel can result in damage to crops and the structure itself, leading to costly repairs or replacement. In this blog post, we will explore some practical tips on how to secure a polytunnel from wind, and keep your crops and investment safe.

Choose a Sheltered Location

When it comes to securing a polytunnel, the first step is to choose a location that provides natural protection from high winds. A sheltered spot can help reduce the force of the wind and prevent damage to the structure. Look for areas that are surrounded by tall trees, buildings, or other structures that can serve as windbreaks. Additionally, avoid placing your polytunnel in an area that is prone to flooding or has poor drainage, as this can weaken the structure’s foundation and compromise its stability.

Invest in a Strong Frame

The frame is the backbone of your polytunnel and will determine its overall strength and durability. Investing in a high-quality frame is crucial if you want to secure your polytunnel from wind.

Look for frames made from heavy-duty materials such as galvanized steel or aluminium, as they can withstand strong winds without buckling or bending. Additionally, consider upgrading to thicker or larger diameter tubing, as this can provide added support and resistance against wind.

Use Proper Anchoring Techniques

Anchoring your polytunnel is another important step in securing it from wind. The best, well only, way to anchor your polytunnel is by sinking posts into the ground, ideally in concrete. Concrete posts will provide the best protection, as they are sturdy and do not move even in high winds.

If you are not able to use concrete posts, consider using screw anchors or spiral anchors, which can be drilled directly into the ground and provide good resistance against wind. In addition to using proper anchoring techniques, it is also essential to ensure that the anchor points are evenly distributed and that the tension on the cover is evenly balanced.

Ground Anchors

Heavy Duty Ground Stakes

Each tent nails is approximately 12″ length; 3/8″ diameter; hook is 1-1/2 inch

Heavy Duty U Type Ground Anchors

These large stakes are 3.14 inch in inner width and 12″ long.

Polytunnel anchors plus Hotspot Tape

8x 30cm long x 6mm thick steel pins
4x Securing Down Brackets
2x Rolls Of Anti Hot Spot Tape

Install Windbreak Netting

Windbreak netting is another effective way to secure your polytunnel from wind. It is especially useful if your polytunnel is located in an open area with no natural windbreaks. Windbreak netting works by reducing the wind speed and redirecting it over the polytunnel, rather than directly hitting it.

Additionally, windbreak netting can help prevent debris from being blown into the polytunnel, reducing the risk of damage to crops and the structure. When installing windbreak netting, make sure to leave some clearance between the netting and the polytunnel cover to allow for air circulation.

Windbreak Netting 10m x 15m

Gives 50% shade protection. Use in greenhouses, polytunnels, conservatories, door frames
Or use as plant protection against wind, hail and drifting snow

Regular Maintenance and Inspection

Finally, regular maintenance and inspection of your polytunnel are crucial for ensuring its long-term durability and stability. Check the frame, cover, and anchoring points regularly to make sure there are no signs of wear and tear, and address any issues immediately. Additionally, keep the area around the polytunnel free of debris and fallen branches, as these can cause damage to the structure during high winds.


Securing a polytunnel from wind is essential if you want to protect your crops and investment from damage. Choosing a sheltered location, investing in a strong frame, using proper anchoring techniques, installing windbreak netting, and regular maintenance and inspection are some practical tips that can help you secure your polytunnel from wind. By implementing these measures, you can ensure that your polytunnel remains stable and protected, even in high winds.

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