How to Secure a Plastic Greenhouse [8 Best Ways]

Ensuring safety and security to your plastic greenhouse is a must if you want good feedback. The production rate and lifespan of the vegetables or the other plants will increase with the proper security of the plastic greenhouse. Different weather conditions and landscapes require different security systems and techniques, and that has to be perfect for ensuring full safety.

You should use top-quality products and materials to ensure top-notch security. To keep it safe from all-natural disasters or other bad conditions, you should know how to secure a plastic greenhouse from wind. In this way, it will stay safe and secure in all situations.

What Plastic Is the Best to Secure a Greenhouse?

When using plastic to build a greenhouse, you should use the top-quality one to get a secure placing afterward. The plastic that is durable and strong enough under all situations at an affordable price will be a perfect choice for the greenhouse. Polyethylene plastic can be a good choice regarding all the landscapes and conditions.

You can decide to cover the whole area of the house with this Polyethylene plastic, and that will cost less than the glass and other rigid plastics. It has 6 mm of thickness which makes it much durable against a strong wind. 

It also comes with the UV stabilizing additives that will keep the inside plants safe. Besides all that, this Polyethylene plastic comes at a pretty reasonable price. 

How to Secure a Plastic Greenhouse – 8 Effective Options to Secure Greenhouse

The securing process of a greenhouse needs to be very strong and durable as it will need to save the farm from tough weather conditions. The eight effective options for how to secure a greenhouse are:

1. Homemade Wiggle Wire and C-channel

First, take the homemade wiggle wire and some C-channel. Twist the wire around the body of that C-channel and keep going from up to bottom. The wire will take the roundish twisting position in this way, and put the twisted wired aside. Then, attach the C-channel with the frame of your greenhouse and put a plastic cover inside it. 

After doing so, put that twisted wire in the C-channel in the way that it keeps the plastic cover in between the position of the C-channel and the wire. The C-channel will keep both the wire and plastic cover inside it.

The garden will be safe in this way from blowing away, and it is considered the best way to secure a plastic greenhouse.

2. Burying the Extra Parts of the Plastic Cover in the Ground

When you put on the cover over the metal or wooden frame of the greenhouse, some extra parts of the plastic cover will remain on each side. Try to bury those parts in the ground in 20 cm depth. It will give your house extra balance to stand against the strong winds and will help it stay stable and secure.

3. By Using Anchor Stakes

You will find the anchor stakes in the market at a reasonable price. Buy some of these and attach them with the frame and plastic cover. The sturdier the anchor stakes will be, it will keep the farm more secure and safer.

4. Base Anchor Plates

You can use the heavy base anchor plates in the ground attaching them with the plastic cover and the greenhouse frame. It will help the whole farm, along with the frame, and the plastic cover to stay stable in its places even in the strongest of storms. When buying base anchor plates, always look for heavy and sturdier ones.

5. Tying the Greenhouse with A Heavy and Strong Fence

Another thing you can do is tie up the house frame and plastic cover with a strong fence using some ropes. Make sure to do it on each side of the greenhouse area. All these tying up will keep its frame and plastic cover from blowing away.

6. A C-channel and A Pipe

Just like the C-channel and the wiggle wire, you can use the C-channel with a small pipe to make the plastic cover stable. After attaching the C-channel with the greenhouse frame, put the plastic cover in the C-channel and then put the smaller PVC pipe in there too. 

The plastic cover will remain in a sandwich position between the C-channel and the pipe. Both the C-channel and the PVC pipe will keep the plastic cover stable and prevent it from blowing away.

7. Attaching the Plastic with Some Heavy Slabs

Take some heavy concrete slabs which have the function of attaching a rope. Tie one end of the rope with a concrete slab, and the other end with the frame and the cover. Attach nine to ten slabs on each side of the outside part of the greenhouse area. 

Those heavy slabs will keep both the plastic cover and the frame in the ground no matter how strong the wind or the storm is. 

8. Installing the Greenhouse to a Sheltered Spot

The spot you will choose for establishing the greenhouse garden must be in a sheltered place. Thus, the house will need to deal with less wind and less power from the storm. So, there is less chance of blowing the garden away. 

Your hassle will be less for ensuring the safety and security of the plastic cover and house frame.


Does Greenhouse plastic have to be clear?

The clear greenhouse plastic ensures the plants are getting proper sunlight. But you should not keep it in this way until you are germinating seeds inside with a plan of transferring them elsewhere sometimes after.

How tight should greenhouse plastic be?

The greenhouse plastic should be tightened in a way it is neither too much tight nor too much loose. Make sure there are no wrinkles because of the looseness or no stretching in the plastic cover as well because of too much tightening.


Installing Polyethylene plastic as the cover will be a cost-saving and safe choice. But you will need to install this plastic cover on the metal or wooden frame properly by knowing how to install greenhouse plastic. When the installation process will be completed, the next thing to ensure is the security of your plastic greenhouse.

To do so, you have to know how to secure a plastic greenhouse. With the proper safety measures along with some basic tools and materials, the house will remain risk-free from blowing away and other natural disasters.


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