green polytunnel. get the best ventilation possible going, by having the widest doors ever possible. green polytunnel

 
 get the best ventilation possible going, by having the widest doors ever possiblegreen polytunnel  The polutunnel is handy as this weekend, I should be eating my first strawberries

Garden Point Green Polytunnel Greenhouse (2 x 2 x 2 m) 4. Haxnicks Giant Easy Fleece Tunnel (300 x 60 x 45 cm) [ SAVE 15% ] 3. Advantages of Polytunnel Greenhouses. 💔The plastic sheeting that covers polytunnels affects heat retention, too. Conclusion:Select A Size Of Polytunnel 6ft (1. Cut them to about 6 feet long and drive them into the ground about three feet deep. in Abbotsford, British Columbia, is one of them. . Most are made of similar material, though of course there are varying qualities to the plastic cover. However, beware of cheap green polytunnels, as the thickness of the frame. 98. 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. I planted Tagetes in the polytunnel to attact beneficial insects into it and it worked brilliantly and looked great. 4 out of 5 stars 38. 45L x 2W x 2H (m); Assembly required NOTE: Not suitable for bad weather conditionsDon't know how many you would need but keep in mind that they kill everything. A polytunnel will enable you to to bring a slice of the Mediterranean home, increasing the variety of crops you can grow. Replacement Covers. A high tunnel is an unheated structure that is typically used to extend the growing season for crops. 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. 8m) wide so you have enough room to move around; 8ft (2. Greenhouse in winter. 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. Polytunnel Greenhouse Clear Polythene Repair Tape 100-50; 10. පොලිටනල් ආර. Of course, there are exceptions to every rule. Make the perfect choice to suit your commercial needs with Northern Polytunnels' excellent range of high. Steps for constructing basic polytunnel greenhouse: This should give you a basic enough structure to start working in a greenhouse. This damage can occur due to heavy adverse weather or just general wear. ie we offer top quality polycarbonate polytunnel and greenhouse sales, delivery , installation and maintenance services as well as best customer service possible whilst delivering excellent guidance. We offer our kit in various lengths ranging from 20 to 100 feet because we know that space and budget are primary concerns no matter the size or volume of your farming operations. 5” thick PVC pipes each 3. How to Build a Plastic Bottle Greenhouse. That's going really well and has easily withstood the winter weather to be filled this season with. Min Order: 100 square meters. However, adding shades to your polytunnel is tricky because plants need sunlight to grow. Garden Point 2,5M(L) x 2M(W) x 2M(H) Green Polytunnel Greenhouse with Galvanised 19mm Diameter Steel Frame Poly. Protect Your Plants. If fencing in your garden isn’t an option, using polytunnels to protect your veg is the next best thing. Min Order: 2000 square meters. Polytunnel greenhouses are the sturdiest, most durable and most accomplished grow tunnels of all. Cover individual plants with horticultural fleece (or upcycle old clothing or textiles for the purpose). Case study → Greengrow Agriculture’s Shade House Counstruction 600 sqft white color 50% shaded net house build on Padukka area for hardening the tissue culture plants. Heat retention: Greenhouses often require more heat during the winter months, whereas a polytunnel covered with a Thermal polythene and without the drafts of a greenhouse, can help if you’re considering over-wintering crops. So if you have hibernating ladybirds or pet spiders and their eggs, they'll be dead and into the bin after a few minutes. 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. 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. 0 out of 5 stars 52 £115. They range from 90 to 240cm in height. 2 out of 5 stars 45 £26. Greenhouses, polytunnels (typically walk-in structures used with a wide range of crops, potentially over large areas; sometimes called ‘high tunnels’) and cloches (plastic coverings of less than a metre high. 2. In contrast, greenhouses tend to be more easily ventilated than. 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. The polytunnel has fruit trees. Not seen many green is this for any particular reason?? Tags: None. Multi-span polytunnels are made of multiple connected tunnels, allowing for larger growing areas. Polytunnel for bedding production. A green or clear greenhouse will provide the best light. Whether you are an experienced gardener or are just getting started on your journey to a more sustainable way of life, a 10ft wide polytunnel could meet. 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. Find great deals and sell your items for free. VOUNOT Polytunnel Greenhouse 4x3x2m 12m² Poly Tunnels Gardening Walk In Pollytunnel Tent with Steel Frame. Wash and remove the labels from the bottles (not necessary, but it ends up looking nicer). ie Web: to automate poly tunnel Sri Lanka 0 719 719 119අඩු මුදලකින් 100% ක්ම හරියට අඩු වියදමකින්. SALE H joining profiles click system 2m long for 4mm and 10mm polycarbonate. £. 99 postage. Save 4%. If you live in Derbyshire, as I do. Greenhouse in Sri Lanka Polytunnel construction in Sri Lanka Video explains How to build a 1000 Square feet Polytunnel Greenhouse in Sri Lanka. . 6 FT Large Walk-in Greenhouse for Outdoors, Heavy Duty High Tunnel Green House w/ PE Cover 2 Zipper Screen Doors. £219. For this purpose you need to choose clear covers like glass, single-wall polycarbonate and acrylic plastic. 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. 7' or 7. 3 x 'T' 13mm connections. If you live in Derbyshire, as I do. Algae are also notorious for taking up residence inside of greenhouses, where high humidity encourages rapid growth. This film allows 0% light transmission. Poly Tunnels found in: Garden Grow 3m x 2m Polytunnel, idooka Green Mesh Garden Polytunnel, Easy Polytunnel, Pop Up Mini Greenhouse & Polytunnel. Learn how to easily splice polyethylene plastic sheets to replace or repair cover on high tunnel, polytunnel, hoop house, or greenhouse. 1. A polytunnel is an elongated semi-circular or square shaped tunnel. Blue-colored greenhouses and blue light result in higher fruit number, weight, and yield. Check out my new book that you can pre-order now. Color Of Light . Green house / Polytunnel ආරක්ෂිත ගෘහ නිර්මාණය. And with humidity comes grey mold. . 27/01/2023 . Winter is long and runs from mid-November to mid-April, and it is cold but not freezing: the average temperature is a few degrees above freezing (0 °C or 32 °F). A great alternative to a traditional glass greenhouse or permanent structure, this spacious 6m² walk-in area polytunnel provides plenty of room for pots, trays, grow. 95. D x 7 ft. Some solar tunnels are so large that there is ample room to use a. 5m x 2m (8ft 2in x 6ft 7in) Premium Polytunnel Galvanised Frame by New Leaf™. 5" high should suffice. 4. Covered Greenhouse from Swing N Cocoa. I'm lucky. Outsunny 3 x 3 x 2 m Polytunnel Greenhouse Pollytunnel Tent w/ Steel Frame White. Polycarbonate Polyeco TUBE Walk in Greenhouse Polytunnel Arch Galvanised . 50. Do not buy a flimsy, itsi wizzy polytunnel. 80 - $7. Pop-Up Greenhouse High Strength PE Cover Powder-Coated Steel Construction Portable Greenhouse. 99 (1 new offer) Kingfisher Transparent PE Grow Tunnel. Kale. Meet the POLYCRUB // my greenhouse-polytunnel hybrid - YouTube50m roll of 50mm green line poly pipe $3. 45L x 2W x 2H (m); Assembly required NOTE: Not suitable for bad weather conditionsDon't know how many you would need but keep in mind that they kill everything. Garden Point Green Polytunnel Greenhouse (2 x 2 x 2 m) Check Price. A greenhouse is a structure that allows people to regulate climatic. 3m and 9. Hi everyone am wondering (dreaming) of polytunnels. The zinnias are the only flowers still showing life. The farm is situated in Green Belt land inside an area designated as of great landscape value. PE material 140 g/m2 – Completely UV protected and transparent, allows perfect solar performance and reinforced with polypropylene that prevents mechanical damages. Free Home Delivery. Only 1 left in stock - order soon. Plants under blue light exhibited darker, greener leaves and shorter height overall. 99 £ 115 . If you use proper commercial ultaviolet protected sheeting available and cut to length from many suppliers on ebay, then its relatively inexpensive and good for 6 to 8 yrs. Gardening in Maine is tough. Re: Polytunnel in winter. 95 £79. After adding your compostable materials, top your hotbed with a mix of soil and compost. . £49. All the polytunnel covers that we supply have a 5 year guarantee against UV degradation and. Likewise the 105′ GrowHoop can hold 100′ of growing. But I do know that the strong winds yesterday have folded it up, picked it up and not so elegantly splatted it here. Order your polytunnel heater today and you'll. One low-cost method of accomplishing this is to use low tunnels. At only a third of the cost of a greenhouse, polytunnels are great value for money. It features 4x retractable windows that allow light in and a reinforced steel frame for additional stability. Generally a cold weather vegetable they actually thrived in the polytunnel this year – something. Visit our website for sizes and prices. Find out how to build your own, in our guide. (25) 79£ 9989£ 99. Soil health. £19. 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 extraordinary. 92. 2 X Poly PE Grow Tunnel Cloche Garden Plant Veg Protection Polythene 1. 23m) Wide From £3,121. 4. Feel free to modify the length as you see fit. Greenhouses & Polytunnels for sale in Ireland - Buy Greenhouse Online - Polycarbonate Polyunnels - Vegetable Seeds and Greenhouse Accessories - We are specialists in polycarbonate polytunnels and greenhouses. 99. polytunnel Home Page . Whether you’re raising cannabis as a cash crop or just for personal use, you have many options for where and how you grow it. There are several factors to consider when selecting polythene to maximise crop performance. Plan your sizing. Check out my new book that you can pre-order now. . A polytunnel (also known as a polyhouse, hoop greenhouse or hoophouse, grow tunnel or high tunnel) is a tunnel typically made from steel and covered in polyethylene, usually semi-circular, square or elongated in shape. 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. 99. Polytunnel Greenhouse is an easy to setup structure with quick and easy installation. 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. by 10/02/2023. Greenhouse and Tunnel Supplies. 10. If you don’t you’ll risk breaking or putting holes in your structure before you even begin. Polytunnel greenhouses are flexible as well as easy. Low price guarantee*. Polytunnel greenhouses are a fantastic alternative to the far more expensive greenhouses made of aluminium and polycarbonate or glass. Simplify Vegetable Gardening will be available on 16th Feb 2024. Buy as big and good quality as you can get (typically 12-15 m long) 3. Then slide 7/8″ pvc pipe that was 12 feet long through the brackets. Plan your sizing. A mini polytunnel, portable plant protector, or small space polytunnel is ideal if space is limited. 99. Clear polytunnels allow for increased light transmission and longer growing seasons, making them ideal for crops that require direct sunlight. In this video I show you how after some testing iv come up with a method to make to the hoops for a hoop house from pvc pipe without connectors which makes i. Start by cutting the materials. Certain metal coatings could reflect green light but transmit blue and red wavelengths (which would provide plants with an optimal environment but be rather expensive to engineer). Bed, topped with c. Do polytunnels protect from frost? A polytunnel acts in a similar way as a greenhouse and provides a warm home for low crops during cold weather spells. BCGT Large Outdoor Polytunnel Greenhouse with Heavy Duty Steel Frame,. New and used Greenhouses for sale in Nochchiyagama, Sri Lanka on Facebook Marketplace. £9999. Celeriac (size of croquet balls) Cabbage and cauliflower (never had such clean veg before) Chiogga beetroot. Compare $ 122. Minimising wastage. 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. In this video I show you how after some testing iv come up with a method to make to the hoops for a hoop house from pvc pipe without connectors which makes i. Our replacement polytunnel covers are made to withstand the UK's harsh weather conditions. Greenhouse Assembly Instructions For Greenfingers’ Items LS6316D&LS6317D: size 4ft x 6ft (1. 50. I recommend two 6' long walls facing two 8' long walls. Site your greenhouse east to west. 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. 44m) Wide. We offer greenhouse film; benders and jigs for high tunnels and low tunnels; and supports, anchors, and. A cloche is a. RRP: £129. 12'x15'--Green house net house. The allotment provides a space to enable students, staff and other community members to learn the how-to's of growing. Cut them to about 6 feet long and drive them into the ground about three feet deep. It is generally thought that polytunnels retain more heat than greenhouses, and so extend the growing season much longer than unheated greenhouses. 00. These heaters run generally 30W to 90W ish and yes, if you seal in your greenhouse or polytunnel good, you stand a decent chance of knocking up the thermostat by a few degrees – I have tried tested and proven this – on a morning that is otherwise minus outside, and it is above 0 in the polytunnel even without direct sunlight to assist. Mr. Chat now. Pale plant leaves can be caused by overwatering, lack of nutrients, and limited sunlight which all reduce the chlorophyll density. Polytunnel Ground Anchor Kit. Shop for polytunnel greenhouse at Alibaba. . Clear any stones from the ground and unroll the cover, sliding it over the hoops so it sits evenly over the frame. Elvira has always given very good results with protected fruiting and is second early. Adjust this depth based on how large your want your polytunnel to be. To directly replace my 2m by 2. View More. If you only intend to grow summer crops, aligning the ridge north. Polytunnel 19Mm 4M X 2M Waterproof and windproof this polytunnel is the perfect solution to protect your crops, giving them the best start in life. Allow crops such as tomatoes, cucumbers, melons and aubergines to crop more successfully. You can either use tubes provided in a pre-fabricated polytunnel. “We use the high tunnels to help schedule cut flower harvesting earlier and later, when prices are best,” says Pete Smit, who co-owns the nursery with his brother Gerard. Shead Nets. €10. 3663602429005. Step-over fruit trees – usually apple and pear trees – are grown as low as 1ft (30cm) off the ground and spread laterally to fill thin strips of space in allotments and. 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. 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. Constructed using powder coated steel. In this episode Dee shares how she tidies up and plants some strawberry plants in her polytunnel that were gifted from a community garden project in the Autu. Anti Bird Net - Buy by the Metre From £1. 00 to £351. 00. The autumn foliage here in the northeast is the most beautiful in the. 6. Is a high tunnel the same as a greenhouse. 20cm of 1:1 compost and soil. 2m wide. This is especially important for plants that are sensitive to direct sunlight, such as leafy greens and strawberries. Sun and shade: A diffused polythene sheeting on a polytunnel helps to prevent heat spots, but you may have to paint. Add to basket. I would recommend something that you can leave open all the time. It works the same way a normal greenhouse made of glass would, by attracting and trapping the sun. Extending the traditional growing and marketing season should be a high priority for West Virginia produce growers. Polytunnels are a tool used by farmers, large scale vegetable producers, and also individuals who wish to grow their own. 6m x 3m (19ft 8in x 9ft 10in) Premium Polytunnel Galvanised Frame by New Leaf™. Use row covers or mini-polytunnels inside your greenhouse for an extra layer of protection against the cold. Gothic polytunnels have a peaked roofs and are often used for growing taller plants, such as trees and shrubs. 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. Only use clear plastic if you use greenhouse for germinating seeds and growing starters for transplanting outdoors. Super Cheap Hoop House for Winter from QT’s. Step by step how to put up a polytunnel. Turn A Trampoline Into A Polytunnel / Greenhouse "Start to Finish", this is my wife's and I design we came up with it out of the thin air I guess you could. 4) The front supports and door frame were then screwed into place. Rooter. Green covers tend to scatter light more evenly throughout the growing area, which can help prevent hot spots and promote more uniform growth. Constructed from durable polyethylene, this green polytunnel connects with ties for easy assembly and stronger, longer lasting life span. Polytunnel Greenhouse Sri Lanka | Fully Automated Muriya F1 මාළුමිරිස් Capsicum Greenhouse with AI Technology Polytunnel Automation in Sri Lanka. 600011. Quictent Upgraded 20x10x6. Air. 6ft Garden Polytunnel Greenhous. Palram - Canopia Harmony Silver Greenhouse - 6 x 6ft. Winter proofing a budget tunnel. . Grow a variety of flowers, plants and vegetables in this 3x2 metre polytunnel by Garden Grow. The only exception is that they seem to be fine for green salad crops. Poly-Tex High Tunnel greenhouses are a quick and inexpensive way to lengthen your growing season, protect your crop from pests and disease, decrease water usage, and increase your crop yield. When to plant in polytunnel: March to April. Polytunnel greenhouse providing perfect growth conditions for all kinds of plants – fruits, vegetables and flowers. Also known as hoophouses, polytunnels are extended, polythene covered frames that resemble green houses but are relatively simpler. Available as full-height door blinds or ‘above gate’ door blinds. Out of them all the 2 veggies that really surprised me were the carrots and parsnips. 3. 25. 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. . Premier Polytunnels offer a wide range of polytunnel netting including fruit cage netting, ventilation netting, windbreak and anti-bird netting. 2) The arches were temporarily sat in their final positions to mark ground areas were we needed to dig the holes for each leg. FREE delivery Thu, 17 Aug. Protect your plants from the elements with the 3m x 2m polytunnel. Outsunny Steel Large 14. 5m (50) Total ratings 50. 3m Long x 33mm OD Z35 High Tensile Galvanised Tube. අනාගත කෘෂිකර්මය modern agriculture 4000ft ,100% ක්. Many market gardeners use it as a starting point, often than later converting the caterpillar tunnel into a high tunnel greenhouse. Next, measure out a 8' x 12' space and mark the corners so you have the positioning organised. 8 x 6. A polytunnel provides a great environment to grow an incredible assortment, including:-Fresh fruit; Vegetables; Herbs; Flowers; In fact, the environment is so successful at growing produce that around 80% of the soft fruits grown for retail in the UK are in a polytunnel! Some of the most popular fruits and vegetables that are grown in. Which direction should a polytunnel face? However, if you are fortunate enough to have a choice, the best position for a polytunnel is for its longest side to run from north to south This will help to avoid. . 00 £ 79 . 6m x 3m (19ft 8in x 9ft 10in) Premium Polytunnel Galvanised Frame by New Leaf™. Potatoes grow well in polytunnels as they can be protected from the elements, meaning their growing season can extend into the depths of winter. Transparent material with 8 sections, mesh windows and a door in each end. Green polytunnels? 16-10-2006, 12:45 PM. Amazon. 2) The back end supports were created from scaffold boards and screwed into place. 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. Green polythene– allows up to 65 % of light to reach the tunnel. 1 x 13mm pipe to garden hose connection. Image used with permission by copyright. The first 4 minutes of this video is a little walk-through of my 15x7 polytunnel and what's currently growing in it at the end of March 2019, Birmingham, Ala. 5m) tall to let in plenty of light. To clean the top of the tunnel you can soak an old sheet in warm soapy water and throw it over the tunnel – then with a friend work your way down the. Seedlings are planted after 2 weeks, individually and after 10 days they are ready; just make sure to maintain a. Look, I’ll fess up if you will too. Reply Delete Turn A Trampoline Into A Polytunnel / Greenhouse "Start to Finish", this is my wife's and I design we came up with it out of the thin air I guess you could. I put the case forward for a polytunnel and how you. When it thaws, this, of course, turns into water again. 4. 39 watching. 3m x 2m (9ft 10in x 6ft 7in) Premium Polytunnel Galvanised Frame by New Leaf™. 0 out of 5 stars 1 rating. Gardeners use small polytunnels to extend the growing seasons of fruits, vegetables, and. 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. A polytunnel can open up a world of possibility for your garden. It could also be seen from the nearby Surrey Hills, which is an area of outstanding natural beauty. Polytunnels are the ones that mostly cater to semi-professional growers and serious hobbyist growers. For this purpose you need to choose clear covers like glass, single-wall polycarbonate and acrylic plastic. Contact 01282 811250 today!Polytunnels can be used to provide a higher temperature and/or humidity than which is available in the environment but can also protect crops from intense heat, bright sunlight, wind, hailstones, and cold waves. 00 £ 79 . The cut flower business added several high tunnels to its existing four rolling greenhouses six years ago. Even if nibbling insects aren’t a problem, polytunnels can keep rabbits, deer and kids out of your garden. VOUNOT Polytunnel Greenhouse 4x3x2m 12m² Poly Tunnels Gardening Walk In Pollytunnel Tent with Steel Frame. lay out broad bean in rows, sowing every 40 or 60 cm, while keeping a space between plants (10 – 15 cm). Greenhouses & Polytunnels for sale in Ireland - Buy Greenhouse Online - Polycarbonate Polyunnels - Vegetable Seeds and Greenhouse Accessories - We are specialists in polycarbonate polytunnels and greenhouses. Hostafan1 Posts: 34,697. martini. Stone Method - Gather medium to large stones (Free stones can be found on classified websites) and make a pile with the stones throughout the Polytunnel - It is suggested 36kg of stones to generate heat for each square foot. See more ideas about greenhouse gardening, greenhouse, greenhouse plans. Use scissors to cut off the bottom of each bottle. 2. Semi-circular in design, polytunnels come in a variety of shapes and sizes. The plants weren’t for sale. Case study → Greengrow Agriculture’s Shade House Counstruction 600 sqft white color 50% shaded net house build on Padukka area for hardening the tissue culture plants. It has two color options, a heavy-duty reinforced mesh, 8 ventilation window spots, and a solid six-month warranty. Use small cloches (plastic drinks bottles, old milk containers, etc. 13 yrs CN Supplier . Ground preparation. Clear or frosted panels let in 78 to 90 percent of natural light, while green. ) to protect individual plants. Lightweight, Portable, Compact Mini Plastic Greenhouse: This mini cold frame / grow tent is the perfect compact size for small gardens, patios, or balconies. UNIVERSITY ALLOTMENT POLYTUNNEL. Growing sustainably undercover shouldn’t cost a fortune, and our Allotment Polytunnel offers a high-quality kit. Palram Silver Polycarbonate 8 x 8ft Canopia Balance Greenhouse. ) in height and often much larger. I just built a polytunnel with pvc pipes and special greenhouse film. In essence, these tunnels. 1) We utilised the bracers by then turning them into shelves. This gives it one of the most robust frameworks on this list capable of withstanding fairly harsh winds and rains. Cambridge Vigour, a compact oldie, is naturally suited to forcing. The support for the headboard is about 2×6 ×17 inches in dimension. Net Polytunnel Covers. 00. Here’s what you’ll need for one greenhouse measuring 3½ by 8 meters: • 8 Steel Star Pickets (fence posts) – $7-10 – Try to find the taller posts but anything over 120cm will do just fine. Shop Online - Greenhouses for sale in Ireland - Polycarbonate Tunnels - Polytunnels - Vegetable Seeds and Greenhouse Accessories - At My Greenhouse. Green polytunnels offer better light diffusion and insulation, making them ideal for sensitive plants and colder climates. Polytunnel Greenhouse vs. Check out the range of small polytunnels for sale to find out which is right for you. 4. 5mm Wall Thickness Z35 High Tensile Galvanised Tube As used to manufacture all our Polytunnel kits. She has filled the rest of the garden with a polytunnel, a vegetable patch, a herb garden, a wildlife pond, woodland areas.