The reason why cultivation is so successful is the range of different polytunnel covers, from standard to diffused and clear to thermic thick heavy duty covers, that are all specifically manufactured to create an impressive micro-climate that a specific covering offers, used on small polytunnels, large and industrial-sized commercial polytunnels, these covers are integral to the desired functionality of these ever-producing all year round structures, that extend far beyond just agricultural use, but touch other areas such as farming, niche producers, hydroponic, garden centres and so much more. These covers, available in various materials and specifications, adapt to a myriad of uses including storage, farming, and animal keeping to mention a few. Understanding the properties and film applications and the different environments that can be produced is amazing, and each type of cover is essential for maximising the utility of small polytunnels up to commercial polytunnels in varying sizes and used within different settings.
Types of Polytunnel Covers and Applications
For both manufacturers and suppliers, this is a dream for the unbelievable uses they are put to. From small polytunnels, using covers that serve as ideal housing and offer essential protection for keen and hobby gardeners, to commercial polytunnels producing a boundless amount of fresh produce, plants, shrubs, trees, fruits, herbs, spices, and many other cultivated products and mainly in commercial polytunnels using a range of heavy duty covers.
Constructed from materials like transparent polythene or UV-stabilized clear polythene polytunnel covers and are designed to provide and maximise light penetration. This can create an ideal warm micro-climate, ideal for growing all types of light-loving crops and plants such as tomatoes and cucumbers. Beyond uses for horticulture and agriculture, clear covers are also useful for storage areas that require natural light and for nurseries where young plants need ample sunlight.
White polythene covers are produced by applying a UV-stabilized film onto the polythene, these covers reflect a significant amount of light, resulting in a cooler environment inside the polytunnel. This is beneficial for any heat-sensitive crops and plants like lettuce and spinach. Both small polytunnels and much larger commercial polytunnels can produce healthy and abundant crops when the correct systems and materials are in place, especially heavy duty covers.
In terms of storage and animal keeping, white covers can provide a cooler space, suitable for storing temperature-sensitive goods or providing a more comfortable environment for livestock during hot weather.
Opaque covers, typically made from strong polycarbonate, allow limited light penetration, creating a dimmer and cooler environment. This is advantageous for crops or plants that require lower light, such as root vegetables. In storage and for animal housing, opaque covers can provide privacy and security, making them ideal for sensitive storage needs or for creating a calm environment for certain types of animals.
Infrared covers are tailored to reflect specific wavelengths, such as infrared light. They can enhance plant growth by optimising light quality within the polytunnel. In other applications, such as animal rearing, these covers can provide a spectrum of light that benefits the health and well-being of certain animals.
Multiple layers of materials like polycarbonate and different layered and thicknesses of thermic polythene are used as heavy duty covers that offer a balanced mix of light transmission, heat retention, and UV protection. Used for their versatility, catering to a broader range of crops, and can also be used in diverse settings, from multi-purpose storage areas to shelters for a variety of small and medium-sized animals.
The choice of available polytunnel covers depends on a balance between cost and quality. Options range from economical polythene, which is lightweight and affordable but less durable, to more robust and long-lasting polycarbonate, which offers better resistance to UV rays and wind, but at a higher cost. UV-stabilized polythene sits in the middle, providing enhanced durability at a moderate price. Small polytunnels can come with standard quality types of polytunnel covers or you can choose thicker heavy duty covers that will cost more but last longer
While the initial investment for more durable materials like polycarbonate and UV-stabilised polythene is higher, their longevity and effectiveness in protection often make them a more cost-effective choice in the long run and are used mainly on commercial polytunnels because of their strength, durability, and longevity.
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