Save 4%. In polyethylene greenhouses and polytunnels, the venting window is throughout the ridge, in a continuous ventilation – either on one side of the ridge or both. com to get agricultural greenhouses for growing and/or cultivating different plant types. Low price agricultural tent green house Polytunnel plastic tunnel pe Single-Span greenhouse for sale $2. Our Classic Pro Caterpillar Tunnel includes a 16-inch Lift Kit for added height, plus Wind Bracing and a Solid Center Purlin for added strength and rigidity, as well. Yield and Quality. In a polytunnel it’s not unusual to still have decent berries ripening in December. I was attracted to the edge of a polytunnel by a splash of bright colour. Buy one tube of PVC glue. Greenhouses are usually more costly because of their glass and metal construction. 2. 3663602429005. Free sitewide shipping over $149*. Polytunnel greenhouses are a fantastic alternative to the far more expensive greenhouses made of aluminium and polycarbonate or glass. The polytunnel has fruit trees. 5" high should suffice. Kale is a classic winter green and perfect for planting in summer to ensure a winter crop. 05m) Wide. The Polytunnel Handbook. 6' Polytunnel with PE Mesh Fabric & Metal Frame, Green 24 4. Polytunnel Greenhouse 4x8x2 m, 32 m², Transparent £525. Buy as big and good quality as you can get (typically 12-15 m long) 3. This damage can occur due to heavy adverse weather or just general wear. 00. Outsunny Walk in Garden Greenhouse with Shelves Polytunnel Steeple Green house Grow House Removable Cover 143x138x190cm, Green. That is the large walk in frame tunnels covered in plastic sheeting for growing a wide variety of crops from lettuces to tomatoes and raspberries. FREE delivery Thu, 17 Aug. Apophthegm - a big word for a small thought. Fast forward to the night before last, we get the first storm since the purchase of this unit. While shading can help cool down a polytunnel, you also have to allow enough sunlight inside. The exception here is if you only have a small space. That said, don’t go too deep! The roots should be well covered, but the actual plant and leaves should be set atop the surface of the soil. A high tunnel is an unheated structure that is typically used to extend the growing season for crops. There are many gardening tricks to guarantee a better yield. I grow plenty of other crops alongside these other groups, but the rotation focuses. I was attracted to the edge of a polytunnel by a splash of bright colour. Choice of Coverings: There is a huge range of polythene coverings available from most polytunnel sellers. This gives your strawberries enough room to grow and sprawl. To assist with pollination. SALE H joining profiles click system 2m long for 4mm and 10mm polycarbonate. Hanwella Town, Western. Look, I’ll fess up if you will too. How to install a polytunnel. If you live in Derbyshire, as I do. $25 Easy 5×5 Greenhouse from Instructables. Assembly required. Polytunnels are fantastic for protecting crops against a range of problems and pests. Advantages of Polytunnel Greenhouses. Polytunnel ventilation is vital to a thriving polytunnel garden. 5 cm. Why not upgrade your old. When I looked closer, the colour was from plant pots and labels. New Polytunnel | Cover On | Last build video | Robinsons Polytunnel | Green Side UpI have finally got the cover on the new Robinsons Polytunnel, unfortunatel. Learn how to easily splice polyethylene plastic sheets to replace or repair cover on high tunnel, polytunnel, hoop house, or greenhouse. These warmer conditions are particularly essential for growers of exotic plants or those who need to produce food crops on a continuous basis. 99. The 55′ GrowHoop allows for industry standard 50′ of growing beds with 5′ of extra space to be used at the ends of the greenhouse for access. They’re durable, low-maintenance, and designed for high loads and optimum production. 75" Large Walk-in Double Cover Polytunnel Greenhouse Outdoor w/ Roll-Up Zipper Doors and Windows Grow Plants, Seedlings, Herbs, or Flowers In Any Season-Gardening. Soil that gets lots of sun and stays wet due to over watering is more likely to get algae. $80 delivery Oct 16 - 19. View More. The width of polytunnels ranges from 3m to 9m. Polytunnels are expensive to heat over winter and don't give enough protection to be used for overwintering tender plants. Green house / Polytunnel ආරක්ෂිත ගෘහ නිර්මාණය. 27/01/2023 . Manufacturing and Building Polytunnels, Greenhouses and Canopy Structures in Ireland for over 48 years! We believe in supplying and building for our customers a quality product that lasts a lifetime. It features 4x retractable windows that allow light in and a reinforced steel frame for additional stability. Steps for constructing basic polytunnel greenhouse: This should give you a basic enough structure to start working in a greenhouse. The interior heats up because incoming solar radiation from the sun warms plants, soil, and other things inside the building faster than heat can escape the structure. These structures, primarily used for growing plants…Allotment polytunnels will offer protection and peace of mind in the unpredictable UK weather. Budget pick: Garden Point Green Polytunnel or the VonHaus. I sometimes also follow an early pea crop with kale and other leafy green brassicas sown in summer to see us through the autumn and winter months to come. (11) £18. Smit Nursery Ltd. Hostafan1 Posts: 34,669. - Beautify Your Green Spaces ---> Designed with a door for easy access and screened ventilation for optimum air circulation. Site your greenhouse east to west. Outdoor lighting can be used to provide you with more time in the greenhouse or it can be used to affect the growth of your plants. 00 to £351. 99 postage. There is also enough plastic so that I can dig it down which makes the whole construction more stable. £19. Wind and humidity, however, together with the lack of sunshine, exacerbate the sensation of cold. 3m x 1. A polytunnel is a polyethylene tunnel elongated and stretched out in a long caterpillar, semi-circular shape. The list of plants to grow in summer in the polytunnel comprises tomatoes, peppers, greens, herbs, beans, squash and zucchinis, eggplants, okras, green onions, and melons. martini. Details of Polytunnel Kits Highlights What It Looks Like Read Reviews & Buy Now! Best 6 metre Polytunnel Kit: 6 metres long x 3 metres x 2 metres 6 sectioned frame on the 6-metre long version 2 metres high, 3 metres wide Super strong 25mm galvanized anti-rust 0. It can be used for hardening off plants, taking cuttings and shielding plants from the worst of the winter. 3 metres) in between rows. 10. So, the polytunnel becomes a very damp place when this happens. Sun and shade: A diffused polythene sheeting on a polytunnel helps to prevent heat spots, but you may have to paint. Polytunnel Greenhouse 4x6. Welcome to Polyeco Greenhouses! We understand that choosing the right greenhouse or polytunnel for your needs can be overwhelming, with so many options on the market. Polytunnels are usually shaped, as the name implies, like a tunnel. 8. One day it’s cold, overcast and damp,. . 99. A polytunnel is made of a specially designed sheet of polythene, they are semi-circular in shape, with a door at one or both ends. Meet the POLYCRUB // my greenhouse-polytunnel hybrid - YouTube50m roll of 50mm green line poly pipe $3. These crops have varieties that can tolerate the heat, so you can still grow them in your polytunnel year-round. Polytunnels come in all shapes and sizes, AND Costs! Today we are building a polytunnel, while erecting a budget tunnel I’ll let you know if I think they are. £219. Place a strip along each hoop before fixing the cover in place. There are many reasons why you should have an undercover growing space, be it a greenhouse or polytunnel. Divulapitiya East, Western. Our customers often ask: “Will I be able to build my own polytunnel?”. Net Polytunnel Covers. HomeAdvisor says the average cost to build a greenhouse in 2021 is USD 15,746. For this purpose you need to choose clear covers like glass, single-wall polycarbonate and acrylic plastic. 99. Don't forget to have the long side (12') facing the sun's path. 71. They might be made from a variety of wastes. 8m) wide so you have enough room to move around; 8ft (2. Add to basket. Welcome to Polyeco Greenhouses! We understand that choosing the right greenhouse or polytunnel for your needs can be overwhelming, with so many options on the market. 2 out of. Waterproof and windproof this polytunnel is the perfect solution to protect. Or fastest delivery Wed, 16 Aug. A green layer on top of soil is often caused by algae, which thrives in warm, wet, bright environments with moist, humid air. Now tie the cotton sheet to each tennis ball securely so that it makes one large towel that is thrown over the top of the polytunnel. While potentially somewhat more challenging to grow than loose-leaf lettuces, and butterhead, romaine types are still pretty easy to grow in most temperate climate gardens. The farm is situated in Green Belt land inside an area designated as of great landscape value. Premier Polytunnels offer a wide range of polytunnel netting including fruit cage netting, ventilation netting, windbreak and anti-bird netting. 💔The plastic sheeting that covers polytunnels affects heat retention, too. Greenhouses & Polytunnels for sale in Ireland - Buy Greenhouse Online - Polycarbonate Polyunnels - Vegetable Seeds and Greenhouse Accessories - We are specialists in polycarbonate polytunnels and greenhouses. The height of the polytunnels varied from 3. Hi everyone am wondering (dreaming) of polytunnels. 5m (roughly 6ft by 8ft) greenhouse would have cost in the region of £700. Ground preparation. VOUNOT Polytunnel Greenhouse 4x3x2m 12m² Poly Tunnels Gardening Walk In Pollytunnel Tent with Steel Frame. The zinnias are the only flowers still showing life. Polytunnels come in a range of sizes and are used to keep plants, vegetables and fruits warm enough to grow in temperate regions. Thanks to solar energy, poly. 4. Galvanizing process is now commonly used for a large array of applications, including greenhouse tubing. Greenhouse Polytunnel. 4. Grow a variety of flowers, plants and vegetables in this 3x2 metre polytunnel by Garden Grow. Purchase high quality commercial and garden polytunnels online from Premier Polytunnels, direct from a UK manufacturer. Also, the size of this particular small polytunnel is 6 feet long X 7 feet wide X 7 feet tall. Polytunnel greenhouses are flexible as well as easy. Fiberglass Panels. 4 Options From £29. After a thorough examination of several of poly-tunnel greenhouses on the market today, we have found that the OGrow 2 Door Polyethylene Greenhouse is the best polytunnel available. Allotment Boy Posts: 6,531. Check Price. In this video we are build a diy greenhouse / polytunnel / hoop house for under £150 if we bought everything new, but we upcycled everything from things arou. Pre-order now to be the first to get a cop. lay out broad bean in rows, sowing every 40 or 60 cm, while keeping a space between plants (10 – 15 cm). 30. 2 X Poly PE Grow Tunnel Cloche Garden Plant Veg Protection Polythene 1. Are green Polytunnels any good? They seem to be excellent for bringing small plants on in the early months, but they just don’t do well for maturing plants and crops – eg tomatoes, squashes, carrots, strawberries etc – these do much better outside. 4 – Blue-Colored. Am after one for xmas but oh thinks a green one would stand out less than a white/clear one. It is most often constructed using steel and is covered in polythene. Clear any stones from the ground and unroll the cover, sliding it over the hoops so it sits evenly over the frame. I'm pretty sure the text on the film that says 'inside' was facing the correct way when I installed it, however, I'm now second guessing myself and wondering if there is an easy way to tell inside from outside by looking at the plastic. Elizabeth Waddington is a writer, permaculture designer and green living consultant. Greenhouse heaters are great at maintaining a comfortably warm temperature inside your polytunnel when the outside temperature sends the mercury plummeting. A solid polytunnel greenhouse may set you back up. The two horizontal widths will need 2 pieces of 1. VEVOR Walk-in Tunnel Greenhouse, 10 x 7 x 7 ft Portable Plant Hot House w/ Zippered Door, 6 Roll-up Windows, Galvanized Steel Hoops, 1 Top Beam, and 2 Diagonal Poles, Green KING BIRD Upgraded 15x6. It is most often constructed using steel and is covered in polythene. 90. If you want to grow crops all year round, it’s best to line up the ridge of the structure to run east-west, as this will maximise light during the winter. But if you don’t yet have your own compost, be sure to source and buy a peat-free variety. Crinkill House, Birr, Co Offaly Eircode R42 VX36 Tel: 057 912 0424 Fax: 057 912 0944 Email: [email protected] are more effective in warmer climates, whereas greenhouses are better suited to cooler climates. Having doors at both ends of a polytunnel is a good idea as this will allow for a through breeze which will aid in natural ventilation. Use row covers or mini-polytunnels inside your greenhouse for an extra layer of protection against the cold. Find out how to build your own, in our guide. I'd say go for it for the price and as long as its not to exposed you should get a good life out of it. Free Home Delivery. This polytunnel is quick and easy to put up and disassemble. Giving your patios. A polytunnel is not a poor man's greenhouse, it is a tool that allows you to grow things more successfully than you ever thought possible. If fencing in your garden isn’t an option, using polytunnels to protect your veg is the next best thing. Outsunny Mini Greenhouse, Small Polytunnel Green House with Zipped Doors, Steel Frame for Garden Backyard, 295 x 100 x 80cm, Green. Visit the PHI VILLA Store. View More. Our polythene ranges from 8m to 15m wide and is sold in roll lengths of 200m, 400m, 600m and 800m. #desertplantsofavalon #cacti #cactus #cactusplants #cactusandsucculents Collapsing down our old green Polytunnel ready for our new Clear one from Polytunnels. 00. You can either use tubes provided in a pre-fabricated polytunnel. This is from one of my recent visits to a garden nursery. Gardening Express. Regular mulches of well-rotted manure, home-made. Ventilation is essental for 2 reasons: To keep airflow going so that the tunnel doesn't get too damp in winter or too hot in summer. 00. Tomatoes, garlic, zucchini, broccoli… are ones of the most popular crops can be cultivated in a s mall polytunnel. It has two color options, a heavy-duty reinforced mesh, 8 ventilation window spots, and a solid six-month warranty. Compare $ 122. 2 metres to 4 metres, in length from 50 metres to 100 metres and in width from 6. It could also be seen from the nearby Surrey Hills, which is an area of outstanding natural beauty. Fasten the Polytunnel frame to the wooden frame. Polytunnel for bedding production. Other veggies grown in the polytunnel include cucumbers, apple and lemon cucumber, courgette, carrot, parsnip, hot and sweet peppers, eggplant, pumpkin, squash. Welcome to Green Living Concepts Supplier of Standard Poly Tunnels, Custom Made PolyTunnels, Commercial PolyTunels & Raised Beds - NATIONWIDE DELIVERY At Greenliving Concepts PolyTunnels we are passionate about what we build and grow within our own Polytunnel and believe its the little details that turns the ordinary into the. Polytunnel Greenhouse Clear Polythene Repair Tape 100-50; 10. British weather is unpredictable by nature. £999. 45m x 3m x 0. And with humidity comes grey mold. Which grows best plants, which is best for heat-loving plants, which suffers less pests, and which offers value for money. In this video we show you how to build a polytunnel from Premier Polytunnels in the UK. With a mini polytunnel protecting your crops, you will also find that you add at least 6 to 8 weeks of growing time to your garden. One of the main advantages of using a green polytunnel is better light diffusion. Step 1: STEP 1 - Fixing the Aluminium End Arches. Well the first thing is not to confuse a little cheap green mesh so called polytunnel with real thing. Several people have tried them on our Allotment site & the winter always destroys them. Heavy Duty Direct From Manufacturer Full Kit (No Doors) $1,942. We have a lot of pigeons nesting in a neighboring barn building, so leafy greens outdoors are not safe without some form of cover. Northern Polytunnel Door blinds are an economical alternative to roller screens. This garden polytunnel greenhouse from Outsunny comes with an integrated tunnel and is composed of durable PE cloth over a high-quality steel pipe frame. 99. It will also allow them to retain the heat inside the greenhouse. View More. A cold frame is the traditional way of supplementing a greenhouse. £39. Managing and sustaining soil health and fertility is also crucial when you’re growing crops this intensively directly in the ground. It only require couple o. (3) Add to basket. 9 Best Crops To Grow In A Small Polytunnel. Minimising wastage and maximising your yield potential, our industry-leading growing systems also enable you to forecast with greater accuracy, and so build strong relationships with customers. The autumn foliage here in the northeast is the most beautiful in the. 83m) Wide. Greenhouses and polytunnels are permanent or semi-permanent structures made of transparent material such as glass or plastic that protect plants from the cold and wind. 50. . For the headboard, you will need 2×6×76 inches. com : HWF Outdoor Polytunnel Greenhouse with Heavy Duty Steel Frame, Large Walk in Greenhouse Tunnel Garden Plant Tomato Growhouse Hot House, 2m3m4m5m6m Long (Size : 300x200x200cm) :. 3) The four holes were dug to the depth of the 'L' pieces and the arches inserted. 5x17m) and they served me well except that their 1in/2. 50+ bought in past month. Garden Point Green Polytunnel Greenhouse (2 x 2 x 2 m) Check Price. A 6 foot by 16 foot polytunnel can be bought for around $600 where the equivalent greenhouse would cost around $2,200 – but very much dependent on the framing materials and finish. Simply buy fresh cuttings from the supermarket and root them in a damp part of the winter polytunnel. High Tunnel Greenhouse Kit makes it easy to create enough space on your home or business property, no matter the scope of your project. Polythene / Netting Fixing Systems. How to Build a Plastic Bottle Greenhouse. Polytunnel Kit For Sale In Australia. . It’s possible to grow pot outdoors, indoors or in a greenhouse or high tunnel. 00. . The foil is easly attached to the polytunnel structure by hook-and-loop fastener. • 20 Meters of Industrial Irrigation Pipe – $20-25 – Make sure you buy polypipe, as opposed to. Because they have been immersed in a bath of molten zinc, the tubes, bolts and nuts service life is increased greatly. I recommend two 6' long walls facing two 8' long walls. Protect Your Plants. A more in-depth analysis of building a. With fittings, hinged doors on both ends, anchor plates, and super-therm 800-gauge (200-micron) polythene cover, a commercial Polytunnel will cost you in the region of $3,500. Polytunnels provide a cost-effective alternative to a greenhouse. Low tunnels are temporary structures that are approximately 4 feet tall and 3 to 6 feet wide. get the best ventilation possible going, by having the widest doors ever possible. Yield and Quality. 00 Get it 30 Nov – 9 DecThe Classic tunnels feature a rounded, quonset design that is wind resistant and is also our fastest greenhouse to build with just a 2 – 3 hour assembly time. 9. Read more 48 productsPoly-Tunnel Greenhouse by My Garden Product code: P889364 Features Long & spacious greenhouse Sturdy steel frame Included guy ropes & ground pegs Information This. Elvira has always given very good results with protected fruiting and is second early. 6m x 3m (19ft 8in x 9ft 10in) Premium Polytunnel Galvanised Frame by New Leaf™. 00 to £2,879. . At National Polytunnels, sales manager Gary Summerfield says multi-span tunnels are selling extremely well. 5m x 2m (8ft 2in x 6ft 7in) Premium Polytunnel Galvanised Frame by New Leaf™. The extra guide ropes and. 40 sold. This can include thermal coverings, UV protection, anti. While potentially somewhat more challenging to grow than loose-leaf lettuces,. Remove and recycle the lids. £219. Also known as hoophouses, polytunnels are extended, polythene covered frames that resemble green houses but are relatively simpler. This green 47% shade net is ideal to be used on a polytunnel with or without a polythene cover in place. Anti Bird Net - Buy by the Metre From £1. Potatoes grow well in polytunnels as they can be protected from the elements, meaning their growing season can extend into the depths of winter. The plants weren’t for sale. Stick that above the plank, bend the poly you are attaching to meet it. Polytunnels come in all shapes and sizes, AND Costs! Today we are building a polytunnel, while erecting a budget tunnel I’ll let you know if I think they are. Protecting crops from pests and adverse weather, our polytunnels optimise climate conditions for your specific environment and needs. Many are green but there are also some interesting varieties with reddish coloration. Additionally, polytunnels are made from a transparent, opaque, or green plastic sheet stretched over a series of metal arches. Gardeners use small polytunnels to extend the growing seasons of fruits, vegetables, and. YITAHOME 26'x10'x7' Heavy Duty Greenhouses Large Walk-in Greenhouse Tunnel Green Houses Outdoor Gardening Upgraded Galvanized Steel Stake Ropes Zipper Door 9 Crossbars Garden, White. A polytunnel can open up a world of possibility for your garden. . I would recommend something that you can leave open all the time. 5mm Wall Thickness Z35 High Tensile Galvanised Tube As used to manufacture all our Polytunnel kits. Stuff that did well in mine include the following. Metal Frame Plastic Cover Agricultural Green House Polytunnel Plastic Cover Tunnel Single-Span Greenhouse For Sale $5. 3 x 'T' 13mm connections. Find out how to build a polytunnel. Just glue and screw all the sides for your bed frame. Not seen many green is this for any particular reason?? Tags: None. Birchtree Polytunnel (6 x 3 x 2 m) 2. NB!So cheap green polytunnels are ok for a season or two providing you don’t have too many storms or have a sheltered garden, but I wanted something that could last for many years. Way back last year in June I built a 3m wide x 3m high x 10m long fruit cage / polytunnel out of water piping and scaffold netting. colour of polytunnel cover: green; metal frame made from galvanised anti-rust steel; 6 arch frames; To Consider: our expert’s top pick on our list of best polytunnels for an allotment or garden on a budget; excellent customer reviews; easy to assemble; various sizes available; durable design – UV protection, 25mm strong steel poles (0. It can be used for hardening off plants, taking cuttings and shielding plants from the worst of the winter. 98 - $19. Market gardeners commonly use polytunnels for. 6 x 9. 4. BCGT Large Outdoor Polytunnel Greenhouse with Heavy Duty Steel Frame,. 4m) wide will enable you to put staging (shelves) on both sides. The SuperDome polytunnel by Bio Green will protect the delicate young seedlings optimally similar to a cold frame or greenhouse from frost and also extreme heat, which in turn ensures safer and more productive cultivation. 2m (7 feet 2 inches) high, making it suitable to grow tall plants. Browse this range of polytunnels brought together from leading UK online Garden shops. Start by cutting the materials. You can extend the life of your winter plants, especially herbs and vegetables, by covering them with protection. At higher intensities, it promotes flowering in long-day plants and inhibits flowering in short-day plants. It mostly absorbs the spectrum of red light and it’s UV stable. 5m) tall to let in plenty of light. This polytunnel greenhouse structure allows for excellent ventilation. 00. The allotment provides a space to enable students, staff and other community members to learn the how-to's of growing. Polytunnel Greenhouse Sri Lanka | Fully Automated Muriya F1 මාළුමිරිස් Capsicum Greenhouse with AI Technology Polytunnel Automation in Sri Lanka. Green polytunnels offer better light diffusion and insulation, making them ideal for sensitive plants and colder climates. The cost of polytunnels enables any gardener to enjoy their hobby all year round at a reasonable cost. 00 £ 79 . We can help you select the correct balance of light transmission, diffusion, thermicity & impact resistance for optimal return on investment. 6. Caveat: This answer assumes that the green plastic shown is pigmented green and thus transmits green light into the greenhouse. 0 /5 · 1 reviews · Contact Supplier. Condensation issues in polytunnels can be resolved by installing Thermal Anti-Fog covers, which effectively reduce moisture levels. 95 £79. Haxnicks Giant Easy Fleece Tunnel (300 x 60 x 45 cm) [ SAVE 15% ] 3. Greenhouse and Tunnel Supplies. 2 out of. Buy Greenhouse online in Ireland for Low Cost. Whether you're looking for a timber or polycarbonate structure, read on for our tips to find the perfect greenhouse on a budget!Can be retrospectively fitted to an existing polytunnel. So if you have hibernating ladybirds or pet spiders and their eggs, they'll be dead and into the bin after a few minutes. They allow through the whole spectrum of sunlight, but trap the (infra-red) radiation that is reflected from the earth or plants (plus the warmed air is prevented from mixing. “We pre-plant applied most of our nitrogen (N. Manufactured from green, heavy-duty, monofilament netting with. The polytunnel mainly protects them from the elements. No featured offers available £48. #d. It's good to consider all of these factors when buying a polytunnel. 3m (9 feet 10 inches) width will give you lots of room for your plants. 4. You want 3. 80. 74m wide and in four lengths: 4m, 6m, 8m and 10m. I have used polytunnels since 1983 when I bought 3 of 18×55 feet (5. polytunnel Home Page . Garden Point 2,5M(L) x 2M(W) x 2M(H) Green Polytunnel Greenhouse with Galvanised 19mm Diameter Steel Frame Poly. In contrast, greenhouses tend to be more easily ventilated than. Polytunnel greenhouses are a fantastic alternative to the far more expensive greenhouses made of aluminium and polycarbonate or glass. Our range of small polytunnles can be used in alotments or home gardens for domestic use. Check out my new book that you can pre-order now. Greenhouse 8m x 3m Polytunnel - Green (2) Total ratings 2. In a garden it may be different. Best Polytunnel Greenhouse. Prices start at around £500 for a smaller structure of 3m by 7m, and you can expect to pay around £8,000 per bay for a multi-span, depending on its specification. Quite like traditional greenhouses a polytunnel. Fix it to the base rail or bury in a trench. McGregor Garden Mini Balcony Greenhouse. Add to basket. But once you've decided to invest in a polytunnel, there are many. Poly Tunnel Replacement Covers We understand the frustration caused by a rip or tear in the polyethylene cover allowing valuable heat to escape the Polytunnel structure. The interior heats up because incoming solar radiation from the sun warms plants, soil, and other things inside the building fasterPolytunnels and Polytunnel Accessories. . For hobby cultivation, sow 2 to 6 seeds every 20 or 40 cm. Since 2016, we've proudly served as a family-owned garden store, nestled in the heart of County Longford in the Midlands. This spacious Poly-Tunnel Greenhouse is a safe and secure place to store and grow your fruit, vegetables and plants. With its steel connecting joints to create a solid frame, the PVC wrapped cover provides extra protection and warmth to your greenhouse tunnel, while the included guy ropes and ground pegs will ensure the entire structure is. Free delivery. Installed some indoor/ outdoor green carpet. Outsunny 118"x 118"x 78.