{"product_id":"polytunnels-trench-rail","title":"Large Polytunnel 8ft, 10ft or 12ft with Trench or Rail Base Options","description":"\u003cp\u003eA polytunnel creates a sheltered growing environment that helps plants perform better across a longer season. By covering crops with a protective structure, it helps raise temperatures, reduce exposure to harsh weather and support the growth of a wider range of vegetables, herbs and fruit.\u003c\/p\u003e\n\u003cp\u003eThese polytunnels provide a practical alternative to a traditional greenhouse while offering generous internal space for planting, tending and harvesting. The curved frame encourages airflow, while the cover helps retain warmth and diffuse light around the growing area.\u003c\/p\u003e\n\u003cp\u003eDesigned for home gardens, kitchen gardens, allotments and larger growing spaces, this range is available in multiple widths so you can choose the right setup for your site.\u003c\/p\u003e\n\u003ch2\u003eWidths Available Across This Polytunnel Range\u003c\/h2\u003e\n\u003cp\u003eChoose your polytunnel width, many choices  making it easier to select the size that suits your available space and growing plans.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e8ft wide polytunnel\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e10ft wide polytunnel\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e12ft wide polytunnel\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach width is designed to provide a practical covered growing area with useful headroom and a layout suitable for a wide range of crops.\u003c\/p\u003e\n\u003cp\u003e\u003ca title=\"cross bars\" href=\"\/products\/crop-bar-kit-polytunnel\"\u003eCross bar kits\u003c\/a\u003e can also be purchased as an additional extra to add extra support.\u003c\/p\u003e\n\u003ch2\u003eBase Type And Door Type Options\u003c\/h2\u003e\n\u003cp\u003eEach polytunnel is available in different base and door configurations, allowing you to choose the version that best suits your installation preferences and access requirements.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eStandard Door and Trench Base\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSliding Door and Trench Base\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eStandard Door and Rail Base\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSliding Door and Rail Base\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTrench Base Or Rail Base\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eTrench base\u003c\/strong\u003e versions are secured by burying the cover around the outer edge of the structure. This method creates a firm hold in the ground and is a common choice for permanent growing areas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRail base\u003c\/strong\u003e versions use base rails and anchor plates to secure the structure without the need to dig a trench. This option can make installation simpler while providing a strong and stable base.\u003c\/p\u003e\n\u003ch2\u003eDoor Options For Access And Use\u003c\/h2\u003e\n\u003cp\u003eDepending on the variant selected, the tunnel is available with either a standard hinged door or a sliding door. This allows you to choose the entry style that best suits the space available around the tunnel and how you plan to use it throughout the season.\u003c\/p\u003e\n\u003ch2\u003eBenefits Of Using A Polytunnel\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHelps extend the growing season by creating a warmer environment for crops\u003c\/li\u003e\n\u003cli\u003eProtects plants from wind, heavy rain and sudden weather changes\u003c\/li\u003e\n\u003cli\u003eSupports stronger plant growth through improved warmth and light diffusion\u003c\/li\u003e\n\u003cli\u003eAllows earlier sowing in spring and later harvesting into autumn\u003c\/li\u003e\n\u003cli\u003eProvides a more controlled space for vegetables, herbs, fruit and seedlings\u003c\/li\u003e\n\u003cli\u003eReduces damage to crops from exposure and unsettled outdoor conditions\u003c\/li\u003e\n\u003cli\u003eOffers a cost effective alternative to a greenhouse for larger growing areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eStrong Galvanised Steel Frame\u003c\/h2\u003e\n\u003cp\u003eThe framework is made from galvanised steel tubing designed for outdoor use. The hoop structure provides strength and stability while helping the tunnel maintain its curved shape in changing weather conditions.\u003c\/p\u003e\n\u003cp\u003eThe galvanised finish helps protect the metal against rust, making it suitable for long term use in productive garden environments.\u003c\/p\u003e\n\u003ch2\u003eProtective Polytunnel Cover\u003c\/h2\u003e\n\u003cp\u003eThe cover is designed to allow a high level of light into the tunnel while also helping to spread that light across the growing area. This creates a more even environment for plants and supports healthy development across the full length of the structure.\u003c\/p\u003e\n\u003cp\u003eThe material is UV stabilised for outdoor durability and helps retain warmth inside the tunnel, making it especially useful during cooler periods of the growing season.\u003c\/p\u003e\n\u003ch2\u003eSuitable For A Wide Range Of Crops\u003c\/h2\u003e\n\u003cp\u003ePolytunnels are ideal for gardeners looking to grow more produce over a longer season. They are commonly used for crops that benefit from warmth, shelter and protection from wet or windy weather.\u003c\/p\u003e\n\u003cp\u003eSuitable crops can include tomatoes, cucumbers, peppers, chillies, herbs, salad leaves, strawberries and many other fruit and vegetable plants.\u003c\/p\u003e\n\u003ch2\u003eWhat Is Included\u003c\/h2\u003e\n\u003cp\u003eEach polytunnel includes the main structural components needed to build the growing space.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGalvanised steel hoop frame\u003c\/li\u003e\n\u003cli\u003ePolytunnel cover\u003c\/li\u003e\n\u003cli\u003eDoor and frame components\u003c\/li\u003e\n\u003cli\u003eFixings and hardware\u003c\/li\u003e\n\u003cli\u003eAnti hot spot tape\u003c\/li\u003e\n\u003cli\u003eAssembly instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Information\u003c\/h2\u003e\n\u003cp\u003eThe polytunnel is supplied flat packed for assembly. Installation is usually easier with two people and standard tools. Trench base models require ground preparation around the perimeter, while rail base models are secured using rails and anchor plates.\u003c\/p\u003e\n\u003cp\u003eOnce installed, the structure provides a practical protected space for growing through more of the year.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAvailable in 8ft, 10ft and 12ft widths\u003c\/li\u003e\n\u003cli\u003eChoice of trench base or rail base\u003c\/li\u003e\n\u003cli\u003eChoice of standard door or sliding door\u003c\/li\u003e\n\u003cli\u003eGalvanised steel frame construction\u003c\/li\u003e\n\u003cli\u003eUV stabilised cover for outdoor growing\u003c\/li\u003e\n\u003cli\u003eSuitable for vegetables, herbs, fruit and seedlings\u003c\/li\u003e\n\u003cli\u003eDesigned for gardens, allotments and productive growing space\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gardening Naturally","offers":[{"title":"8ft \/ 10ft \/ Standard Door and Trench 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