Omar Khalid
Hoop houses are covered with plastic to protect plants from the external environment. The type of plastic used depends on the crop and preference. Clear plastics, for example, provide more light transparency, which is ideal for most vegetable crops. Opaque or white/woven greenhouse film provides more light diffusion and less light transparency, which is great for plants prone to sunburn. The thickness of the plastic is also an important consideration. 6 mil plastic is commonly used because it is durable and affordable, but it is more prone to punctures. 10 mil plastic is thicker and stronger, providing superior resistance to tears and punctures and extending the lifespan of the plastic.
| Characteristics | Values |
|---|---|
| Plastic Thickness | 6 mil, 8 mil, 10 mil, 12 mil, 20 mil |
| Plastic Type | Polyethylene, Polyester String Reinforced, Woven, Clear, White, Black, Anti-Condensate, Light Deprivation, Overwintering |
| Light Transmission | 84% transmission, 55% transmission, Diffused light, Total blackout |
| Durability | UV-resistant, Tear-resistant, Puncture-resistant, Long-lasting |
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What You'll Learn
The ideal thickness for hoop house plastic is 6-10 mil
The thickness of plastic for a hoop house is an important consideration. Hoop house plastic is a specialised cover designed to protect plants from the elements, providing a controlled growing environment for various crops. The ideal thickness for hoop house plastic is 6-10 mil.
Hoop house plastic is typically made from a blend of polyethylene layers reinforced with polyester strings and a molten core. This multi-layer construction results in a robust material that stands up to harsh weather conditions. The thickness of the plastic is important as it determines the durability and longevity of the hoop house.
A thickness of 6 mil is widely used for hoop houses and is known for its durability and flexibility. It can withstand a lot of weight and movement in the wind without breaking. However, it is more prone to punctures, especially in areas with high winds or complex structures that may stress the plastic.
For those seeking a longer-term solution, 10 mil reinforced hoop house plastic is an ideal choice. Its thicker design makes it stronger and more resistant to tears and punctures. This durability results in fewer repairs and replacements, ultimately saving time and money. The 10 mil plastic also offers superior UV protection, extending its outdoor lifespan to up to 4 years.
In summary, the ideal thickness for hoop house plastic is 6-10 mil. The 6 mil option offers durability, flexibility, and affordability, while the 10 mil option provides enhanced strength, durability, and UV protection for a longer-lasting solution. The choice depends on individual needs, budgets, and environmental factors.
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Hoop house plastic should be UV-resistant
Hoop houses are structures designed to protect plants and crops from the elements and to create an ideal growing environment. The plastic used for hoop houses is typically made from a blend of polyethylene layers reinforced with polyester strings and a molten core. This multi-layer construction results in a robust material that can withstand harsh weather conditions and provide a controlled growing environment for crops.
One of the most important features of hoop house plastic is its UV resistance. UV resistance is crucial because it protects the plastic from sun damage, extending its lifespan. Without UV resistance, the plastic would degrade more rapidly due to exposure to ultraviolet (UV) light, reducing its effectiveness and durability.
UV-resistant hoop house plastic typically contains UV inhibitors or additives that absorb or block UV rays, preventing them from damaging the plastic. This UV protection ensures that the plastic remains stable and intact, maintaining its structural integrity and functionality over time.
The UV resistance of hoop house plastic is usually measured in terms of its thickness, often denoted as "mil". UV-resistant hoop house plastic is commonly available in thicknesses ranging from 6 mil to 20 mil. The thicker the plastic, the more durable and resistant it tends to be. For example, 10 mil hoop house plastic is considered thicker and stronger than standard greenhouse films, making it a long-lasting solution.
When choosing UV-resistant hoop house plastic, it is important to consider the specific growing needs and environmental conditions. Factors such as light transmission, temperature regulation, and crop requirements should be taken into account to select the most suitable type of plastic. Additionally, the size and shape of the hoop house structure should be carefully measured to ensure proper coverage and fit.
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Polyethylene plastic is a popular choice
Hoop house plastic made from polyethylene is designed to be long-lasting and durable, with multiple layers of polyethylene and a molten core. It often includes polyester string reinforcement, providing superior resistance to tears and punctures. This durability means fewer repairs and replacements, saving time and money over the lifespan of the hoop house. The multi-layer construction results in a robust material that can withstand harsh weather conditions, providing a controlled growing environment for crops.
Polyethylene hoop house plastic often includes UV inhibitors to protect the material from sun damage and degradation, extending its lifespan to up to 4 years. This feature ensures that the plastic can withstand multiple growing seasons without a loss in performance. The UV protection also helps maintain the physical properties of the plastic, as UV rays can otherwise cause it to become brittle and prone to damage.
The light transmission of polyethylene hoop house plastic is another important factor. This type of plastic typically allows for 84% light transmission, providing ample sunlight for plants while diffusing light evenly throughout the structure. This balanced light environment helps prevent issues like sunburn on tender plants and promotes uniform growth. Clear polyethylene plastic provides more light transparency, making it ideal for most vegetable crops. On the other hand, opaque or white/woven polyethylene film offers more light diffusion and less light transparency, which is beneficial for plants prone to sunburn.
Overall, polyethylene plastic is a popular choice for hoop houses due to its durability, UV protection, and optimal light transmission. It provides a cost-effective and robust solution for creating an ideal growing environment, ensuring the health and productivity of crops.
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White/opaque plastic diffuses light
White or opaque plastic is ideal for diffusing light in a hoop house. While it may seem counterintuitive, diffused light provides superior light for growing plants. Direct light from clear plastic is more effective for warming the soil and encouraging seeds to sprout, but it can cause issues like sunburn on tender plants. On the other hand, white or opaque plastic diffuses light evenly throughout the structure, promoting uniform growth and preventing sunburn.
The choice between clear and opaque greenhouse plastic depends on the specific needs of the plants and the environment. Clear plastic allows for maximum light transmission but retains high heat, which can be beneficial for certain crops. However, in hot climates, the reduced transparency of opaque plastic can help prevent overheating and provide a more balanced growth environment.
The thickness of the plastic, typically measured in mils, is another important consideration. Hoop house plastic is commonly available in thicknesses of 6, 8, 10, 12, and 20 mil. The 10 mil reinforced design is thicker and stronger than standard greenhouse films, offering superior resistance to tears and punctures. It is designed for long-term use and can extend the lifespan of the plastic to up to four years.
UV protection is also a crucial factor when selecting hoop house plastic. UV inhibitors protect the plastic from sun damage, extending its outdoor lifespan. Additionally, anti-condensate properties can help minimise condensation, reducing the risk of disease and ensuring clearer light transmission.
When choosing hoop house plastic, it is essential to consider factors such as light transmission, diffusion, thickness, UV protection, and condensation resistance to create an optimal growing environment for your plants.
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Clear plastic provides more light transparency
However, direct light from the sun can cause hotspots on plants, leading to scorch, uneven heating, and shadowing of nearby plants. In contrast, diffused light provides superior light for growing plants, as it enables fuller and more even growth. This is because diffused light is scattered around the hoop house, helping plants get even lighting in all areas.
The use of clear plastic depends on the climate and the plants being grown. In hot climates, diffused light may be preferable to prevent overheating. Additionally, for plants prone to sunburn, reduced transparency provided by opaque or white/woven greenhouse film may be more suitable.
The thickness of the plastic also plays a role in light transmission and diffusion. Thicker plastic, such as 8 mil, 10 mil, or 11 mil, can provide extra protection against tears and rips and improve insulation for cooler temperatures. However, thinner plastic, such as 6 mil, is more flexible and affordable while still providing adequate durability with proper maintenance.
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Frequently asked questions
The ideal thickness for hoop house plastic is 10 mil. This thickness is thicker and stronger than standard greenhouse films, making it a good choice for long-term use.
Hoop house plastic is a specialised cover designed to protect plants within a hoop house. It is made from a blend of polyethylene layers reinforced with polyester strings and a molten core.
The best type of hoop house plastic is UV-stabilised plastic sheeting made of 6 mil or thicker polyethylene plastic. It is affordable and able to provide cover for many years.
Hoop house plastic can be purchased from Home Depot, Lowe's garden centres, or online at websites such as Bootstrap Farmer, Pro Fabric Supply, and Farm Plastic Supply.
