99. $55. JFM Polytunnels. First Tunnels range of polytunnel covers are durable and manufactured with the best materials to ensure they are durable and long lasting. £21. 800 guage semi opaque plastic. 7m and polythene is trenched along the sides. There are two ways to hold the plastic cover in place: pinning it to a wooden base rail which is fitted to the foundation tubes; or burying a skirt of polythene in a trench 30cm deep. Tunnel greenhouse for tomato. Save 5% on any 4 qualifying items. Low cost cheapest plastic tunnel greenhouse. In this video we. All of our 6 mil Greenhouse Poly comes pre-folded and rolled up on a hollow cardboard cylinder. It’s usually made from a semi-circular metal frame that spans the length of your garden. Getting started; Poly Tunnel Plastic Sheeting; Poly Tunnel Plastic Sheeting - China Manufacturers, Factory, Suppliers. 50 – $ 200. 5mm Wall Thickness Z35 High Tensile Galvanised Tube As used to manufacture all our Polytunnel kits. Pro-Gro Mini Poly Tunnel – 2m long x 0. 4 Options From £29. Available polythene widths. Contact 01282 811250 today! 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. To successfully install your poly tunnel cover you will want to purchase four main components: Axiome 10mm Polycarbonate Sheets. 30ft (9. Fancy building a DIY polytunnel and wondered where I could get the blue or yellow pipe with an approximate 2 inch inside diameter? Loads of polytunnels on our allotment site but it appears most of the pipe was begged, stole or borrowed from any water or gas works that were taking place. These items can be purchased to extend or repair an existing First Tunnels Polytunnel, build your own Polytunnel from scratch or create a truly bespoke Pergola, Arch,. Hobby polytunnels without ventilation are known as single-vegetation. Mano Mano. 5 m height protected structures made for commercial cultivation of low growing crops in off-season to get higher market prices. Sp-s-8 Poly Greenhouse Tunnel For Roses Find Complete Details about Sp-s-8 Poly Greenhouse. Some possible remedies for high salts include having adequate. Sliding Doors for Poly Or Shade Houses. • Our tunnels have very good head clearance right out to the sides giving ample. Large Polytunnels Small Polytunnels Polytunnel Accessories Polytunnel Covers Polytunnel Spares Popular Searches 4x4 Greenhouses 6x4 Greenhouses 6x6 Greenhouses 8x10 Greenhouses 10x8 Greenhouses Sheds & Storage Logstores Wooden Logstores Metal Logstores Sheds Wooden Sheds Plastic Sheds Polytunnel Cover/Sheeting | Clear Polythene Greenhouse Tunnel | 7. A nut, bolt and self drill location screw are supplied with. Acts as a mini greenhouse. Placing a single path down the center of a polytunnel between two beds when it is wider than eight feet can make it very difficult to access the backs of the beds. Our poly tunnel plastic come with a 5 year guarantee. A high tunnel or hoop house, on the other hand, does have endwalls, doors, and sidewalls. Covered Greenhouse from Swing N Cocoa. . POLYTHENE IS CUT TO ORDER AND MEASURED. 99 Typical:. For a 3 foot wide tunnel you will need a meter of tubing. 2. 1. 2m Wide Rolls of Clear Polythene Sheeting in Stock. POLYTHENE IS. Polytunnels are pop-up plant protection tunnels, usually made from plastic hoops that suspend a layer of horticultural fleece over the plants. Overall Height: 6ft 4in. 5 out of 5 stars 4. However, It is not uncommon for polytunnel plastic to last longer, with some reaching around 9 years. 5 out of 5 stars 4. Buy Plastic Greenhouses & growhouses at B&Q 1000s of DIY supplies. Floating row cover can protect your crops from insects, frosts, and even heavy freezes. pieces of single aluminum channel can be purchased with the associated Spring Wire or without, and are designed to secure Greenhouse Plastic, Insect Screen, Shade Cloth, or Two Layers of Greenhouse Plastic. Welcome to Ferryman Polytunnels, a family business based in Devon delivering nationally. Unit. Free postage. Supported by 6mm fibreglass poles, the 3m Poly Tunnel is easily folded away when not in use, and includes 3 x openings (for easy access. In today's episode, I show you an EASY, CHEAP way to build a mini poly tunnel / Cold frame at home. There is not a single type of plastic that works best for a roll-up side. Agriculture farming tunnel hoop house. Not bad considering. UV5 Poly Tunnel Greenhouse Polythene Plastic Horticultural Sheet Cover Foil PVC. 8m(800G) 9m(800G) 11m(800G) 12. 15m - €24 per. That is the large walk in frame tunnels covered in plastic sheeting for growing a wide variety of crops from. Buy Polytunnel Plastic Sheeting for Your Greenhouse or Polytunnel. 25m x 1. It’s quite simple. It is best to do this on a calm day. 99. They are sold in many sizes from mini polytunnels for gardens and allotments to large commercial polytunnels. 5 yrs CN Supplier . Delivery. Super Cheap Hoop House for Winter from QT’s. Polytunnels usually have an elongated shape, strongly resembling a tunnel. We are a family and owned company - we care about the products and services we offer you. . Greenhouse Plastic. The steel has a yield strength of 350N/mm 2 which is stronger than the standard 275N/mm 2. unique. A quality tunnel house will also shield your plants from inclement weather, pests and predators. 60/meter) £14. FREE delivery Thu, 2 Nov on your first eligible order to UK or Ireland. 60-$5. View More. Polytunnel covers are always a major aspect of any farmers or. 99. Polytunnels are 2–2. 0302 lbs per square ft. Steel Specification: Z35 high tensile galvanised. 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. To calculate the size of polythene or net sheet needed for your replacement polytunnel cover, please enter the information to the right and click 'Calculate'. We have a wide range of horticulture materials for sale including greenhouse plastic, anti-bird netting & more. Broccoli, squash, and tomato are moderately salt tolerant. 25m Net Garden Cloche 1m x 1m. Read More. Generally speaking, poly bags are made from polyethylene, one of the most popular types of plastic packaging formulations today. Step 1: STEP 1 - Fixing the Aluminium End Arches. They continue to become more popular each gardening year. Chat now. Our tunnel house plastic roll-up door and ventilation windows with mosquito screens provide fresh air - regulating your tunnel house temperature and humidity to keep your plants growing well. Please enter the number of meters required in the quantity box (min order 11m) Example: you require a replacement sheet 11. 4 year 6 mil Greenhouse Plastic is the most commonly used type of covering option for long term installation purposes. Larger items may be sent direct from supplier. Be sure and leave at least one end of the poly tunnel open so you can reach in with a watering can and give the plants a drink as needed. unique. Details on how to measure your tunnel below. That is the large walk in frame tunnels covered in plastic sheeting for growing a wide variety of crops from. Zippered panels can be opened to vent excess heat on sunny days or to permit access when tending to plants. Full-text available. Iwinna Polytunnel Greenhouse Clear Polythene Repair Tape (25m x 100mm) 233. 6 Mil Greenhouse Plastics. Mini polytunnels can be fixed to raised beds to create a compact growhouse, fixed to the ground with our peg system or used inside a full sized tunnel to create a heat retaining double glazing effect. It took several months to collect enough bottles (around 2,000 I think they mentioned) and was a fiddly job cutting the bottles to fit the bamboo poles the bottles needed to thread through. Cold Frames are smaller polytunnels that protect plants from frost and cold weather. 24′ Wide Greenhouse → 38′ Wide Plastic; 30′ Wide Greenhouse → 44′ Wide Plastic; 40′ Wide Greenhouse → 52′ Wide Plastic; CUSTOM GREENHOUSE COVERS. 0302 lbs per square ft. 8 1/2 inch rebar or conduit brackets. Copolymer poly is a low-cost material that is good for one season. The original Wiggle Wire® greenhouse. Together with the Construction Guide, our customers receive a detailed ‘Polytunnel Parts Check List’ to help them identify each polytunnel part. Row Cover Hoop House from Bonnie Plants. VonHaus Polytunnel Greenhouse – 3m x 2m Walk in Pollytunnel Tent – Heavy Duty Weatherproof 6m² Poly Tunnel for Garden and Outdoor – Steel Frame and Steel Frame Door – Insect Proof Roll Up Mesh Windows. 32 - $2. This makes transparent covers a much better option. Creating a heat source inside a polytunnel. Different shapes and sizes of polytunnels can be built, to create microclimates suited for different types of vegetation. Staging Supports From £14. 99. Crinkill House, Birr, Co Offaly Eircode R42 VX36 Tel: 057 912 0424 Fax: 057 912 0944 Email: info@polydome. Satisfaction Guarantee. Once the frame of your raised bed high tunnel has been erected, cover it with a sheet of 6-mil plastic. A test to measure the impact strength on a test piece of plastic, using a weighted falling 'dart'. • Our tunnels have very good head clearance right out to the sides giving ample. Solar tunnel offer a standard straight-sided burrow plan, however the spread is very . 189 sold. 00. 24" Diameter Plastic Hula Hoops (pack of 12) 3 Panel Weather Station 32 Inspirational Quotes 40 Benefits of Having a Pet 5 x 10 Sandbox Kit (Seats, Cover, Box) 50 Bird Species and the Sounds They Make 6 Foot Landscape Timber with Spikes Kids Need Playgrounds 8-Feet Diameter Kaleidoscopic Merry-Go-Round 8 Foot Spiral Tube Slide by Sii,. Polytunnel plastic will last for at least 4-5 years. £40. Snapa Clear C Sections. 8m(800G) 9m(800G) 11m(800G) 12. 5x17m) and they served me well except that their 1in/2. Dunno what a polytunnel is, but it sounds like the high-tunnel type of greenhouse or low tunnel. This kit includes 6' Wiggle Wire bundles and 6'-6” bundles of Aluminum U-Channel Base sections with self-drilling center groove guides. GreenlifeGRO provides greenhouse solutions to farmers and growers to help shield their crops while increasing yields. Tomatoes need a germination temperature that remains between 25ºC and 27ºC, and 20ºC after they have emerged. Optional Features: Single door/s (dependent on width of THK) Hortitech Handyscreen Cover in 50% or 70% block-out, allowing for easy application and removal for temperature control; Side-wall wind-up curtains (dependent on width of THK) Polytunnels consist of a plastic sheet, which is typically either clear, opaque, or green, stretched over a series of aluminum arches. Plastic Poly Tunnel stock photos are available in a variety of sizes and formats to fit your. As the name suggests, a polytunnel is a structure made of polyethene plastic that’s usually shaped into a tunnel using plastic or steel hoops. 2. At night, the optimal temperature should be around 16 ºC. Even in winter, the power of the sun through the plastic can raise. 38 postage. Related Images:" polytunnel stock pictures, royalty-free photos & images Browse 116 plastic poly tunnel photos and images available, or start a new search to explore more photos and images. If cost is one of the main factors affecting your decision, polytunnels are far less expensive to install than greenhouses. Preparing Your Polytunnel Interior. 4 Options From £29. £400. Greenhouse Tunnel Foil Cover Film Sheeting Plastic Clear Pollytunnel Polly UV. 3663602429005. UV5 Polytunnel Greenhouse Polythene Plastic Horticultural Sheet Cover Foil PVC. Now, I have added wood pallet shelves as another vertical gardening technique. We supply UK manufactured polytunnels to farms, domestic growers, large garden centres and commercial users throughout the World. 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. 75m x 1m high . Avoid construction grade material that has less strength. High Tunnels are similar to hoop houses but are taller and are mostly used for commercial crop production. "Welcome to Poly rope, polytunnel polythene covers, durable tarpaulin covers, and huge range of Insulation vapour barriers and fiberglass mesh for plastering and rendering We also specialize in various types of insulations foil, polypropylene ropes, weed control fibric and protective materials such as underfloor heating insulation membrane. Polytunnels Direct is an Irish Company and Fully Insured. Show. The life of polyethylene film is limited due to degradation processes induced by sunlight and heat. . Height/Length: 200cm. A 24 to 36-inch (60-91cm) tall plastic tunnel can be used to grow broccoli, Brussels sprouts, and cabbage. Replacement polythene is sold by the meter so. In simple terms the diffused polythene helps trap and preserve higher temperatures inside the structures for much longer - in heated structures, a 15-20% fuel savings can be achieved. 5m & 8m x 3. 00. Just keep in mind the cost associated with doing so. 98. Replacement Covers. 5 out of 5 stars 78. The plastic was heated and stretched over the triangles, then tacked down at the edges. They continue to become more popular each gardening year. At this stage, make sure that no branches are fouling the top and that nothing is in danger of. Open: Monday to Friday 8am - 5pm Saturday 08:30am - 12noonPoly Tunnel Kit. Welcome to our 6ft (1. We call it polyethylene in the US. I worked in a commercial grower operation (about 8 acres under plastic) and even huge holes were best repaired with tape. £39. This is misleading. • All our tunnels have a 5 year polythene with an ultra violet light inhibitor, to protect from break down by the suns rays. £39. Less demand for watering. 14 with Subscribe & Save discount. Retaining day time heat is essentially providing insulation and draft proofing to keep warm air inside the polytunnel. The standard method of covering a polytunnel is to dig a trench around the base of the framework and bury the polythene cover in the ground. £19. 4. Greenhouses and polytunnels: make the right choice. Allows for planting about 10 days earlier than without a cover. Poles go in the ground, approximately 10 – 20 cm deep. Sturdy stainless-steel ribs support the cover, which is made of thick (90gsm) polyethylene with UV inhibitors so it can withstand extended exposure to the elements and can be reused for many seasons. Are you sitting comfortably with a cup of something nice, if not this is where the free tea bag provided with your First Tunnels Polytunnel will come in very. Extend Your Growing Season. 99$14. 100s of help & advice articles. Get started today!The plastic sheeting that covers polytunnels affects heat retention, too. These are such as polyhouse but size and height are small. Whether you're looking for a timber or polycarbonate structure, read on for our tips to find the perfect greenhouse on a budget!Hot spots can degrade the polythene plastic over time. The same cross piece is used at the gable end of the tunnel as they feature blunt ends which won't tear the polytunnel plastic. UV treated, our 6 mil clear greenhouse plastic is rated for 4 years of life. 4 year 6 mil Greenhouse Plastic is the most commonly used type of covering option for long term installation purposes. Lightweight, sturdy and with walls constructed from polyethylene the 3m Poly Tunnel has been designed to give your plants, herbs and seedlings a localized micro climate of their own. The seeds are sown in rows, covered with a 0. 99. Grow a variety of flowers, plants and vegetables in this 3x2 metre polytunnel by Garden Grow. Buy Online – A wide range of polytunnel parts, spares & add-ons for polytunnels. They are created from the sun’s heat, causing a rise in the temperature of the metal framing. 45m x 3m x 0. Constructed using powder coated steel frames covered with a waterproof PE protector, this polytunnel is durable and easy to construct. “The plastic diffuses the sunlight and the insects don’t seem to like that light,” notes Sonja. 2 x 6M Heavy Duty Polythene Sheeting, 125Mu/500g Extra Thick Plastic Sheeting Clear Garden Grow Polytunnel Cover Plastic Dust Sheet, Garden Grow Polythene Cover. Add to basket. Simply select the length and you’re good to go. A polytunnel (hoop greenhouse) is great for gardeners that can’t afford a real greenhouse. Asked about his favourite spot in the gardens, Nick said: "The greenhouse and poly tunnel are great on a wet cold day, a good day of digging in well rotted farm yard muck on a. £1488 (£0. 0 ton. We are the leading polytunnel manufacturer in the UK and, by buying direct from ourselves, you get a far higher quality product at a much lower price compared to buying from a high street or. Polyethylene: The chemical name is polyethylene, which is a semi-crystalline thermoplastic material used to make PE. Please use our Contact Form. Buy our UV-stabilized clear 6 mil greenhouse plastic sheeting with a 5-layer film technology that provides additional strength and longevity. Ferryman Polytunnels have been manufacturing high quality galvanised steel framed polytunnels, for the garden, allotment, commercially and schools, for over 35 years. Polytunnels usually have an elongated shape, strongly resembling a tunnel. The base should touch the ground to allow maximum adjustment if needed. The patented design and curved shape of the Grokurv structure provides excellent strength. Items 1 to 12 of 12. Manufactured on site at our facility in Armagh. Plastic also raises humidity so is ideal for crops like celery which loves it. 4m x 0. Min Order: 1. 1808-28 Shrink Tunnel - A high-speed shrink tunnel made for medium to high-speed shrink wrap applications. The stones will absorb and retain heat from the sun and slowly release it through the night the night, therefore keeping. One low-cost method of accomplishing this is to use low tunnels. We sell by full sheet, half sheet, or cut to size. Peppers and aubergines can also be grown up strings if you wish, there is a tradeoff between space requirement and extra work. Polytunnels first appeared in the 1960’s once the plastics industry managed to produce reliable wide width polythene sheeting. 12. Best Hard End-Wall Covering: 8 mm Twin Wall Polycarbonate Sheeting. You have a Complete Polytunnel ready for assembly onto a grass/soil base. Three widths available, all with a length of 10m. BIRCHTREE 6M (L) x 3M (W) x 2M (H) Polytunnel Greenhouse Pollytunnel Poly Polly Tunnel Fully Galvanised Anti Rust Steel Frame 6 Section. Polythene repair tape is excellent for repairing tears in polythene sheets on polytunnels, cloches and can also be used to repair cracked panes in greenhouse. 50. White Sandbags - UV Protected - 14" x 26". 00 - A$1,320. The plastic 70m tunnel links a Sainsbury's store to its car park. In terms of materials, polyethylene and polyvinyl chloride must be different. Item. 2m, 11. 50 per running meter. 99. Poly tubing is a highly flexible, lightweight, and durable tubing that is produced from polyethylene, polypropylene, and polyurethane, polymers that are made from the polymerization of ethylene. Protecting crops from pests and adverse weather, our polytunnels optimise climate conditions for your specific environment and needs. Allow at least 1 to 2 feet of space in between staples and screws. 19Polytunnel Ground Anchor Kit. 5mm to give a high strength-to-weight ratio. This greenhouse is perfect for hobbyists, gardeners, and farmers alike. A quality tunnel house will also shield your plants from inclement weather, pests and predators. How To Build A Polytunnel (using a kit). 18. £22. Here are some commonly used types of polytunnel covers: Clear polyethylene: This popular type of plastic polythene is commonly used for general purpose growing, this clear covering, is durable, UV resistant, and allows maximum light transmission, making it an ideal choice for growing a wide variety of crops. Other veggies grown in the polytunnel include cucumbers, apple and lemon cucumber, courgette, carrot, parsnip, hot and sweet. A more in-depth analysis of building a. A detailed walk-through of my polytunnel build, including every major step, with explanations and footage. Just take care not to break any glass or damage the plastic of your structure. 00 - A$900. I Bar Sealer - A machine consisting of one heated side used to seal off and enclose products within a flexible plastic film. This gives it one of the most robust frameworks on this list capable of withstanding fairly harsh winds and. 5. Click + Collect available. These include specialist clamps and basic fixings & fastenings. From our polytunnels manufacturing facility in Navan County Meath, we produce a vast range of polytunnels and polycarbonate greenhouses in a selection of sizes from 6ft wide to more than 30ft wide and to any length you require. Current lead time is approximately 14 business days. 100+ bought in past month. Typical specifications for a high tunnel covering would be a single layer of greenhouse grade 6 mil polyethylene rated for 5 years. Choose from our store's collection of greenhouse covers today!Polytunnel Ground Anchor Kit. Larger items may be sent direct from supplier. How much does a polytunnel cost? Polytunnels are a much more cost-effective alternative to greenhouses. 120 square ft. Clear Greenhouse Film Plastic Sheeting 6 Mil Thickness,Greenhouse cover Polyethylene Plastic,5 Year UV Resistant Film Hoop Green12 x 28ft ,for Gardening, Farming, Agriculture, Garden (12'W x 28'L) 86. 5m & 8m x 3. Some vegetable crops are much more sensitive to soluble salts than others. 3m Long x 33mm OD Z35 High Tensile Galvanised Tube. White Sandbags - UV Protected - 14" x 26"Empty 14″ x 26″ white sandbags. Made with clear film with no slits or holes for maximum. 66 to AU $357. Showing 24 of 117 products. 2 Solar tunnels. . Recycled polytunnel plastic is also used in the production of non-agricultural products, such as plastic bags, water pipes, and automotive parts. Polytunnels are 2–2. Quonset, Polytunnel & Hoop House Ideas. 99. Our replacement polytunnel covers are made to withstand the UK's harsh weather conditions. 95. Available in a huge range of sizes from 10x12’ up to 18x66’ our polytunnels are suitable for the smallest garden to the largest commercial plot. Once erected they will be there for several years, so check out my tips before buying. Premier Polytunnels use clear UV resistant polytunnel Repair Tape with high tack acrylic adhesive on one side. V. The structure provides physical protection of the crops against winds, rain, snow and other natural hazards. 4m long giving a ridge height of 2. Base Plates. Read More (opens in external tab) White UVI. 12 foot x 20 foot. The interior heats up because incoming solar radiation from the sun warms plants, soil, and other things inside. Dimensions: L85cm x W40cm x H21cm. 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. 25m Net Garden Cloche 1m x 1m. Step 8: Fill the greenhouse with soil. Straight-sided poly tunnels often have a. This post provides a list of tools and. Pull plastic over the tunnel. In today's episode, I show you an EASY, CHEAP way to build a mini poly tunnel / Cold frame at home. uk. As a manufacturer of steel pipes, we have. First Tunnels range of polytunnel covers are durable and manufactured with the best materials to ensure they are durable and long lasting. You can also choose from easily assembled, waterproof, and eco friendly. From the polytunnel frame and polytunnel parts to covers, clamps and internal additions - polytunnel accessories will help you to create the perfect growing space and to maintain it and repair it as needed over time. 99 £69. £186. Free postage. Many people don't know the difference between PE tarpaulin and PVC plastic tarpaulin. from China. 17. 5 out of 5 stars 437. Pro Gro Poly Tunnel Cloche, Mini Greenhouse and Tomato £19. Polytunnel Greenhouse Clear 25mm x 50m Polythene Repair Tape. 4 out of 5 stars 4. Rigid plastic: includes polycarbonate and acrylic which do not last as long as glass but are incredibly difficult to break, polycarbonate which is stone proof. PLEASE ENSURE YOU USE THE CALCULATOR PROVIDED. Kumar Sivala. Hoop Houses polytunnel uses a series of hoops to support the plastic covering. 3m x 2m (9ft 10in x 6ft 7in) Premium Polytunnel Galvanised Frame by New Leaf™. Polycarbonate plastic is a lightweight, high-performance plastic that possesses a unique balance of toughness, dimensional. It is a very versatile form of tubing that has break and crack resistant walls. Free standard delivery on orders over £75. Plastic Sheet Covered Single Tunnel Greenhouse $10. 99. The main types of poly tubes are high density polyethylene (HDPE) and. To Build A PolytunnelA video guide on how to build a polytunnel, taking it step by step from prep. In fiber optic terminations, glass or plastic fibers are bonded to precision ferrule connectors (FCs), also described as fiber channel connectors, and polished for splitting or connecting two fibers together. Polytunnel. 00 (inc. 10m on a roll and available in two widths – 50mm and 100mm. Super easy to set up, they come with zip down and roll. Many growers have heat systems but only use them at the coldest parts of the year or have minimally heated tunnels set to a comfortable ambient. GreenlifeGRO provides greenhouse solutions to farmers and growers to help shield their crops while increasing yields. NOTE: Polythene comes in one sheet cut to Length in meters as specified by the number you enter in the box beside 'add to basket'. Polytunnel cover provides a safe and secure environment for fruit, vegetables and plants to thrive in and grow into. At the end of the season, carefully disassemble the DIY polytunnel and store away until the next growing season. High quality Polytunnel Sri Lanka Colombo Steel Frame Greenhouse Single Span from China, China's leading Polytunnel Steel Frame Greenhouse product, with strict quality control Single Span Steel Frame Greenhouse factories, producing high quality Sri Lanka Colombo Single Span Greenhouse products. Horticultural Greenhouse Plastic Shade Cloth. Distance over arch (A) = 5. A polytunnel usually consists of a metallic, plastic, or wooden frame, covered with polythene or other similar materials. CHECK LATEST PRICE. Outsunny Poly Tunnel Steeple Walk in Garden Greenhouse with Removable Cover Shelves - Green 244 x 182 x 213cm. In this article, we will discuss the factors that impact the longevity of polytunnel plastic and how it can be recycled. Rough weight of this Greenhouse Plastic is . Greenhouse Garden Polytunnel Grow Tunnel Vegetable Allotment 0. In terms of pest and disease control, Ray notes that “fungal sprays are no longer. polytunnel definition: 1.