Omar Khalid
Plastic greenhouses are a great way to ensure your plants get the right amount of sunlight, but they need to be secured properly to withstand tough weather conditions. The main danger to a plastic greenhouse is the wind, which can cause damage to the structure and even uproot it. To avoid this, it's important to anchor your greenhouse to the ground using sturdy materials such as concrete slabs, ground anchor plates, base plates, or screw anchors. In this article, we will explore the best methods and materials for tying down a plastic greenhouse to keep your plants safe and secure.
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What You'll Learn
Using concrete slabs
To tie down a plastic greenhouse using concrete slabs, follow these steps:
Firstly, choose a suitable location for your greenhouse. Select a spot that is level, has well-drained soil, and receives ample sunlight. Avoid positioning it under trees or other structures that may fall on the greenhouse during severe weather conditions.
Next, prepare the concrete slabs. You can purchase pre-made concrete slabs or create your own by mixing concrete and pouring it into a slab mold. Ensure the slabs are heavy enough to provide adequate anchoring for your greenhouse.
Once the concrete slabs are ready, you can begin the anchoring process. Place the concrete slabs at each corner of the greenhouse, or spaced evenly around the structure. You can also use concrete slabs in combination with other anchoring methods, such as ground anchor plates, base plates, or screw anchors, for added stability.
Use strong ropes to tie the concrete slabs to the greenhouse frame. Attach one end of the rope to the concrete slab and the other end to the frame, ensuring that the rope is securely fastened to both. You can also use stainless steel cables to link multiple anchors together for better resistance to uprooting.
Finally, inspect the greenhouse to ensure that it is stable and secure. Check that the ropes are tight and that the concrete slabs are firmly in place. Consider using "hurricane straps" or other tie-down methods for additional security if your location is prone to harsh weather conditions.
By following these steps and using concrete slabs, you can effectively tie down your plastic greenhouse, protecting it from strong winds and other harsh weather conditions.
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Anchoring to the ground
Anchoring your plastic greenhouse to the ground is essential to protecting it from wind damage. The cornerstone of protecting any plastic greenhouse from wind damage is ensuring that it stays firmly fixed to the ground. There are several ways to do this, each with its own advantages and disadvantages.
One common method is to use heavy base anchor plates or ground anchor plates. These are rectangular plates that are buried underground and held in place by the weight of the soil. They are designed to prevent your greenhouse from becoming uprooted and can be used on both soft and hard ground. When buying base anchor plates, opt for heavy and sturdy ones. Spread them out around the edges of your greenhouse to provide strength and resistance against the wind.
Another option is to use concrete slabs. Tie one end of a rope to a concrete slab and the other end to the frame and cover of your greenhouse. Attach nine to ten slabs on each side of the outside part of the greenhouse. These heavy slabs will keep both the plastic cover and the frame in place, even in strong winds or storms.
If you want to avoid drilling holes in your plastic greenhouse cover, you can try using a wiggle wire and locking channel system. Twist the wire around the body of the C-channel from top to bottom, then attach the C-channel to the frame of your greenhouse. Place the plastic cover inside the C-channel and put a smaller PVC pipe on top of it. The plastic cover will be securely sandwiched between the C-channel and the pipe.
For a more natural solution, you can try digging a small trench around your greenhouse. Bury a portion of the plastic on one side, place weights on top, then pull the plastic tight on the other side and bury it with weights as well. However, this method may not withstand strong winds, as the weights can be displaced by gusts of wind.
Additionally, you can reinforce the frame of your greenhouse by adding plumber's glue to the inside of the plastic connectors during the build. This will secure the metal to the plastic and create a watertight seal, preventing rust and prolonging the lifespan of your greenhouse.
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Using wiggle wire and C-channel
Wiggle wire is a great way to tie down a plastic greenhouse as it is strong, durable, and can withstand wind, rain, and snow. It is also less expensive and easier to use than lock channels. The wiggle wire system is fast and simple to install. It can securely hold up to two layers of 6-mil polyethylene film, which is perfect for an inflated greenhouse roof.
To install wiggle wire and C-channel, start by attaching the C-channel to the frame of your greenhouse. Then, put a plastic cover inside the C-channel. Next, take the wiggle wire and twist it around the body of the C-channel, going from top to bottom. The wire will take on a rounded, twisted position. Finally, put the twisted wire into the C-channel, ensuring that the plastic cover is sandwiched between the C-channel and the wire. This will hold the plastic cover in place and prevent it from blowing away.
If you do not have a roll-up wall, install the wiggle wire and greenhouse plastic on the baseboard. Leave 2-3” of excess plastic for future adjustments and cut off any remaining excess plastic when you are done. If your greenhouse has a roll-up side, install the channel base at the desired roll-up height, the same way you would on the baseboard. Install the roll-up handle, and then install the channel base on all door, fan, and shutter openings.
To further secure your plastic greenhouse, you can use heavy concrete slabs. Tie one end of a rope to a concrete slab, and the other end to the frame and cover of the greenhouse. Attach nine to ten slabs on each side of the outside of the greenhouse. These heavy slabs will keep the plastic cover and frame in place, even in strong winds or storms.
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Burying with weights
Burying a plastic greenhouse with weights is an effective way to protect it from strong winds and storms. Here are some detailed steps and tips for this method:
Firstly, it is important to choose an appropriate location for your greenhouse that provides some natural shelter from the wind. This will reduce the amount of wind force your greenhouse has to withstand.
Next, you can start the process of burying with weights. Dig a trench around the perimeter of your greenhouse. Ensure the trench is deep enough to provide stability. Bury a portion of the plastic cover on one side of the greenhouse, then place weights on top to hold it down. Concrete slabs or heavy rocks can be used for this purpose.
After securing one side, pull the plastic cover tight on the opposite side and repeat the process of burying and weighting it down. This method ensures that the cover remains taut and secure, reducing the risk of it flapping in the wind.
Additionally, you can use heavy base anchor plates attached to the ground and the plastic cover to provide stability. These plates are rectangular and buried underground, held in place by the weight of the soil. They are particularly useful for soft ground and can also be secured into hard ground using ground tubes and fixing pins.
Another option is to use galvanised bolt-down post supports with fixing plates. Spread these along the length and width of your greenhouse and attach the frame using threaded rods and bolts. This provides a sturdy anchor for your greenhouse, preventing it from blowing away.
By following these steps and utilising weights and anchoring systems, you can effectively tie down your plastic greenhouse and protect it from wind damage.
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Using straps and anchors
First, you need to decide on the type of anchor you want to use. There are several options available, including concrete slabs, ground anchor plates, base plates, screw anchors, and arrowhead ground anchors. The choice depends on the size of your greenhouse and the type of ground you have. For example, base plates are suitable for medium-sized greenhouses and can be secured into both soft and hard ground. Ground anchor plates are ideal for larger greenhouses and provide strength and resistance against the wind.
Once you have your anchors, you can begin the process of securing your greenhouse. If you are using concrete slabs, tie one end of a rope to the slab and the other end to the greenhouse frame and cover. Attach nine to ten slabs on each side of the outside of the greenhouse. For ground anchor plates, bury the plates underground, and attach them to the plastic cover and frame. The weight of the soil will help keep the entire structure stable, even in strong storms.
Another option is to use spring wire and lock channel, also known as wiggle wire. First, attach the lock channel to the frame of your greenhouse, and then pull the plastic cover tight over the channel. Next, take the spring wire and wiggle it back and forth into the channel to secure the plastic in place. You can also use clamps, such as spring clamps or press clamps, to secure the plastic without poking holes.
Additionally, you can use straps that go over the entire structure, including the cover, and tie them down to anchors on the ground, such as breeze blocks or other weights. This method ensures that the cover doesn't move at all, even in high winds.
Remember to plan the process carefully, especially if you will be dealing with wind issues. It is recommended to have extra hands available to help secure the plastic tightly and efficiently.
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Frequently asked questions
There are several ways to tie down a plastic greenhouse. You can use heavy base anchor plates, ground anchor stakes, or concrete slabs to anchor the greenhouse to the ground. You can also use ropes to tie the greenhouse to the ground using garden pegs or tent pegs.
You can use clamps, cable ties, or duck tape to reinforce the plastic. You can also use a lock channel and spring wire to create a tight and secure attachment.
It is best to unroll the plastic in the early morning to avoid the wind working against you. Have the necessary tools on hand, such as ladders, bolt cutters, and push brooms. Pull the plastic tight and secure it into the lock channel with spring wire.
In addition to anchoring the greenhouse to the ground, you can use straps that go over the entire structure, including the cover, and tie it down to weights or anchors on the ground. You can also bury a portion of the plastic in a trench and place weights on top to hold it down.
