polytunnel film. THICKNESS. polytunnel film

 
 THICKNESSpolytunnel film  Produces higher-yielding plants with stronger than normal root systems Less demand for watering

Anti-Hot Spot Tape. 2 year warranty against UV. Should you have any query regarding a delivery, please contact us on 01282 601253. Terms & Conds; Contact Us; Search; 01282 501252 01282 501252. It has the best and longest-lasting anti-condensation system available, and the highest level of frost. A new polytunnel film recycling scheme is providing UK growers with an alternative solution for recycling. 5m for the centre, mark it on the poly so it is easy to centre on the board. Hello! Welcome to our page, we are suppliers of professional polytunnel film and associated polytunn The width of polytunnels ranges from 3m to 9m. com, we stock a wide range of the highest quality polytunnel structures, covers and relevant accessories. Compared with glass, tunnels have the following advantages. "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. It is a good choice for seasonal greenhouses, overwintering. 1m & 14m Widths. They. A polytunnel usually consists of a metallic, plastic, or wooden frame, covered with polythene or other similar materials. Please contact us for more details. 5m, 7. Can be retrospectively fitted to an existing polytunnel. Super Therm = 95%. 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. The cover can either be an Anti-drip or Thermal Rose Horticraft Greenhouse plastic film. 2 B). On the other hand, planting directly in the ground refers to the traditional method of planting seeds or seedlings in soil without any additional structures or. The first and most important step in maximizing the space is making sure that I use it all year round. *Supply perfect growing conditions-light, temperature, humidity-for plants&crops to improve yield and quality and protect from the bad weather & enjoy longer growing seasons *Superior strength. CAgroup 4 x 40m x 200Um Black High Impact Polypro Builders Film (0) $177. 3M Wide Diffused (for 10ft wide Polytunnels) Polytunnel Polythene Film / Replacement Cover 7. 40. . Add to Cart. PRICE FROM 34. We would like to show you a description here but the site won’t allow us. Please contact us for more details. Photograph: Kim Stoddart. If a 16ft polytunnel is just the right size, not too big and not too small, then you have come to the right place. A polytunnel is a tunnel-like structure that first appeared in the 1960s. For the holes, we provide the following options: From 1 to 6 holes. . Polytunnel covering are available in multiple colours and gauges. 5m x 50m Roll. 27. Polytunnels come in all shapes and sizes, from small models designed for home gardeners to much larger tunnels which are meant for commercial use. Growing Crops in Polytunnels: The Variety of Crops is Huge As Is The Size of Tunnel. . Click What's In The Kit for details. The polyethylene or polythene film most commonly used biodegrades naturally over a long period. The following gives recommendations of use, and factors, which will limit the life of the polytunnel film and the efore the extent of our guarantee. Knowle Nets durable polythene film to cover polytunnels of any shape and size. Made from specialised polythene to maximise your growing conditions, trapping temperature and humidity so your crops can grow in perfect conditions. 121 Herald St. 3m up the length (see photo) THere are a couple of 'bits' left over too from when I made my polytunnel. A 12ft wide polytunnel will easily allow you to have one central bed and a further growing bed on each side - a layout that can really maximise the use of space while making it easy for the gardener to get around. 00 inc. *Supply perfect growing conditions-light, temperature, humidity-for plants&crops to improve yield and quality and protect from the bad weather & enjoy longer growing seasons *Superior strength. 5m wide x 50m long. *Supply perfect growing conditions-light, temperature, humidity-for plants&crops to improve yield and quality and protect from the bad weather & enjoy. The film keeps your food fresh by protecting it from air. They continue to become more popular each gardening year. SunMaster SuperThermic EVO AC is our new 8 layer polytunnel film. 48. Dugen er UV-behandlet, så den kan klare solens stråler og samtidig er lysgennemgangen på imponerende 95% på de klare drivhusduge. the film and its e ectiveness in use. $11. Buy your greenhouse here. To maximise air tightness and get the most from your forage, use our T40 Under Film (40 microns). . current price $15. Highly practical and an essential part of maintaining a healthy stable poly tunnel. Made in the UK. Foundation Tubes - 2. Polytunnel costs are proportional to the square-footage space. With a high-quality polytunnel, you will be able to grow a huge range of crops including lettuces, microgreens, leafy greens, carrots, herbs and much more. 00 Min Order: 50. Over 90%. Cover, protect and warm your crops and plants from frost, wind and heavy rain. The amount of available light entering the polytunnel through the film. 80 - $136. This is why we strive to stock polythene products with the greenest credentials. Then slide 7/8″ pvc pipe that was 12 feet long through the brackets. New Products . You might be better off getting a small garden greenhouse, such as a mini greenhouse. Advantages of. 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. The color of the plastic film is transparent, light transmittance is greater than 90%, and the thickness is only 0. Avoid installing the film during very hot, cold or windy days as there is a risk of inadequate film tensioning Do not leave the film unrolled or folded in the sun or exposed to frost even for a short time without heat/cold reflecting tarpaulin to protect the film. Polytunnel as the name suggests is a tunnel made of PE film. Secure the plastic film at the base using staples and screws. Polyane consists of a 3-layer transparent film which will last for many years. And the bigger the planting area the more money you’ll save by opting for a polytunnel. Birchtree Polytunnel (6 x 3 x 2 m) Check Price. Greenhouse plastic on its own has very little insulation value, however, inflating the air in between two layers of greenhouse plastic will provide additional insulation and improve a structures ability to retain temperatures through cold nights. But you can’t take shortcuts. This is a 600 gauge/150 micron polythene film with a 4-year warranty against UV degradation and is the preferred cover of UK growers - supplied as. a long, curved plastic structure that plants are grown under in order to protect them from the…. SUNVIEW Greenhouse Clear Plastic Film Polyethylene Covering Gt4 Year 6 Mil 12ft. 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. However, it’s not unusual for our covers to be replaced after 10-12 years (or even longer). SunMaster SuperThermic EVO AC is our new 8 layer polytunnel film. Bubble Film Roll 1. 86. 99. 03m) providing good growing space and air circulation. 2M Wide Diffused (for 14ft wide Polytunnels) £14. Lumisol Clear. A new polytunnel film recycling scheme is providing UK growers with an alternative solution for recycling. Home; About Us. Contact Us;. We. Low prices, fast delivery. Thirty-three samples were collected from Hushu (HS) where the typical production system comprised vegetables and flooded rice in rotation for about 4 years ( Fig. From our Polytunnel Film to our Ventilated Stretch Film, our innovative horticultural wraps can. All of our 6 mil Greenhouse Poly comes pre-folded and rolled up on a hollow cardboard cylinder. LIGHT TRANSMISSION. This item: Greenhouse Plastic Film Sheeting Cover Clear Greenhouse Poly Film Polytunnel Poly Hot House Cover for Greenhouse Plants Windproof Frost& Dust Proof (2mx15m) $16. Robinson Polytunnels Limited Pasture Barn East, Pasture Lane, Barrowford, Lancashire, BB9 6QX, United Kingdom. 15m - €24 per. As low as £19. Price is a fair bit more than budget picks. Feature: * brand new and high quality *Widely used in greenhouse or yard greenhouse for vegetables, flowers, fruits and agricultural cultivation, etc. comXL's plastic clips are designed for fixing wind up side vents or doors on to thick wall 25mm steel tube. FREE delivery Sun, 15 Oct on your first eligible order to UK or Ireland. This film provides 90% light. Extend Your Growing Season. 40 per running meter. This specialist Visqueen film reduces light transmission to 65%, and ultimately the temperature inside the structure. Heavy duty membrane meets the highest requirements of professional veg and flowers growers. CAgroup 2 x 50m 200um Medium Impact Polypro Builders Film (0) $91. Components and Accessories. Add to basket. This comes with an 8 year warranty and is slightly thicker at 180 microns. Horizontal brace bars for 16ft polytunnels come standard with crop hangers and are approx $127. Cover, protect and warm your crops and plants from frost, wind and. Polytunnel Film Roller 687 products found from 13 Polytunnel Film Roller manufacturers & suppliers. Polytunnel Polythene Films. 90 - $26. com. Add to Cart. Get In Touch. To enquire further or to place an order, call 0845 643 1601. polytunnel film greenhouse manufacturers/supplier, China polytunnel film greenhouse manufacturer & factory list, find best price in Chinese polytunnel film greenhouse manufacturers, suppliers, factories, exporters & wholesalers. Place a strip along each hoop before fixing the cover in place. 8 1/2 inch rebar or conduit brackets. Measured as a percentage of total light. Please note our commercial polytunnel greenhouse with a cover in two layers of film. They maintain growing conditions in this way, polytunnels are excellent for growing crops out of season. Different shapes and sizes of polytunnels can be built, to create microclimates suited for different types of vegetation. Remember the durability of a material can also make it a more environmentally friendly option. Sort By. XL. Polytunnel Film for making a Polytunnel. Preparation for garden season in spring. Toggle menu. 47 shipping. Grunt Builders Film Tape - 3 Pack (4)Description. Contact Us;. 56 shipping. Due to its clarity, clear polythene allows around 2% more light to enter your polytunnel than with a diffused polythene cover. Inhibits insect propagation. Perhaps you have had a smaller growing space before and are looking to take a step up. Our most popular polythene cover incorporates an additive that increases its Thermic efficiency, yet still retains 90% light transmission. Min Order: 100. Polytunnel 25mm 6m x 3m - Green. The product will supply to all over the world, such as Europe, America, Australia,, ,, . 52 per bay plus freight. What size mini polytunnels are available? Our polythene cloches are 4ft wide and 3ft 7in high, making them ideal for using on raised beds. The FeelGoodUK Polytunnel comes with a full, heavy duty 25mm steel metal frame and stronger welded joints all through. 1st Mar 2020. 6m length roof vent. Contact Us; Delivery and Returns;. Heavy rainfalls can represent a huge obstacle for hobby gardeners as well as plant producers. In any colour film preferred. This is a 720 gauge/180 micron polythene film with a 5-year warranty against UV degradation and is the preferred cover of UK growers - supplied as. Save 5% on any 4 qualifying items. *Supply perfect growing conditions-light, temperature, humidity-for plants&crops to improve yield and quality and protect from the bad weather & enjoy longer growing seasons *Superior. $15. Polytunnel Polythene Film / Replacement Cover 11. I'm pretty sure the text on the film that says 'inside' was. You can purchase a high-quality commercial grade polytunnel for under £400. Copolymer poly is a low-cost material that is good for one season. $ 650. SunMaster SuperThermic EVO AC is our new 8 layer polytunnel film. *Supply perfect growing conditions-light, temperature, humidity-for plants&crops to improve yield and quality and protect from the bad weather & enjoy. This film is most useful where sun scorch is a problem for growers. Also, all of our workers are experienced in printing field for Polytunnel Plastic Sheeting, Polytunnel Cover, Naturallife Greenhouse Replacement Cover, Extra Large Greenhouse Cover,Film Biodegradable Agriculture. This stops wet food from losing moisture and prevents dry food from absorbing it. It has the best and longest lasting anti condensation system available, and the highest level of frost protection available in a film. Waterproof and windproof this polytunnel is the perfect solution to protect. Delivery. 4 year 6 mil Greenhouse Plastic is the most commonly used type of covering option for long term installation purposes. What does polytunnel mean? Information and translations of polytunnel in the most comprehensive dictionary definitions resource on the web. 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. Heavy duty membrane meets the highest requirements of professional vegetable and flowers growers. 3x stronger than our strong Easy Build and come as 50mm as standard. This 3 and 5 layered co-extruded film keeps your bales secure from any leakages for secure, pollution. At only a third of the cost of a greenhouse, polytunnels are great value for money. 1*Greenhouse Film Widely used in greenhouse or yard mini greenhouse for vegetables, flowers, fruits and agricultural cultivation, etc Supply perfect growing conditions-light, temperature, humidity-for plants&crops to improve yield and quality and protect from the bad weather & enjoy longer growing seasonsThis Ceres project is creating novel polytunnel films to improve crop growth. You have to use specialist horticultural material. Secures easily with Spring Lock Channel and Wire, and can last more than 4 years if installed correctly. They are also less expensive to heat and maintain than traditional greenhouses, making them accessible to hobbyists, small. Polytunnels are a tool used by farmers, large scale vegetable producers, and also individuals who wish to grow their own. We venture into the world of polytunnel recovering services, examining the various grades and types available, while unpacking linked terms such as UV stabilisation, microns, and. To enquire further or to place an order, call 0845 643 1601. Even if nibbling insects aren’t a problem, polytunnels can keep rabbits, deer and kids out of your garden. The tunnels are made semicircular and elongated in shape. 5m wide x 50m, UV stabilised bubble insulation film is very effective, helping to keep an unheated polytunnel frost free so greatly reducing fuel/electricity consumption in a heated greenhouse or polytunnel, saving up to 50% on heating costs! The material is UV stabilised and is made from 25mm bubbles, (beware of packaging. for hobby gardeners and self-supporters. Low prices, fast delivery. *Supply perfect growing conditions-light, temperature, humidity-for plants&crops to improve yield and quality and protect from the bad weather & enjoy longer growing seasons *Superior strength. While unrolling the film, check the contact surface (ground orMon - Fri 7:00-18:00 +44 (0)1472 886287 [email protected] offers a wide range of premium polytunnel covers to help maximise plant productivity. 5mu to 400mu. 50 per running meter. VonHaus Polytunnel Greenhouse - Walk-In Polytunnel Tent with Steel Frame. Polytunnel Netting Covers Manufacturers, Factory, Suppliers From China, We have ISO 9001 Certification and qualified this product . And with nine feet of head room you can work in comfort and expand the variety of crops you produce. DiffusionChina Polytunnel Film Greenhouse manufacturers - Select 2023 high quality Polytunnel Film Greenhouse products in best price from certified Chinese Used Greenhouse, Greenhouse Material suppliers, wholesalers and factory on Made-in-China. Deep water culture, ebb and flow, and nutrient film technique are all recirculating systems, while. comPolytunnel Film. This comes with an 8 year warranty and is slightly thicker at 180 microns. THICKNESS. over 16 years experiences in manufacturing and designing, so our products featured with best quality and competitive price. Polyshade tunnels have quality commercial grade knitted 30% shadecloth in white colour fitted to the end walls and the door as standard. Please note our commercial polytunnel greenhouse with a cover in two layers of film. 0 square. Polytunnels are available for sale from the following suppliers. PROTECH FUTURE is the manufacturer of polytunnels, cosy tunnels, Spanish tunnels, greenhouses, tabletops, agricultural polytheneAvailable in high, medium and low barrier, this film can be used with different substrate types, including PE, PP, PS, PET, Aluminum and more. The inside ambient temperature of polytunnel heats up due to solar radiation and this heat is trapped to. LIGHT TRANSMISSION. This UV stabilised film is 200 microns (800 Gauge) and is supplied with a five year guarantee. This comes with an 8 year warranty and is slightly thicker at 180 microns. 17. Knowle Nets durable polythene film to cover polytunnels of any shape and size. High Quality Polythene Made in Germany. 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. Polytunnel Greenhouse. Plastic features have become metaphorical pillars for the industry in many rural regions in China. In addition to better insulating the greenhouse, a double layer inflation system has real. gst) Load more products. 45m x 3m x 0. Affordable, durable and easy-to-build, the Polytunnel range answers to the needs of the more demanding hobbyist growers. 1m wide x 12m long. 3. Polytunnel greenhouses are flexible as well as easy to assemble . To calculate the amount required for an existing polytunnel throw a tape measure over the frame to measure the hoop circumference from ground level to ground level then add 2m to allow for. Polytunnel Polythene Film / Replacement Cover 9. Protect Your Plants. Polytunnel greenhouse manufacturing is one thing, but packaging requires yet another set of skills. We recommend one clip every 25cms. If you're interested in erecting a polytunnel your. All the polytunnel covers that we supply have a 5 year guarantee against UV degradation and. Anti Insect Small Outdoor Grow Tent For Polytunnel Commercial Film Greenhouse Get Best Price. Introduction of Product • Hot dip galvanized frame This kind of special treated steel has good anti-corrosion and anti-rust effects, which extend the service life of the greenhouse. Greenhouse plastic to suit size of Tunnel House or Polytunnel; Hortiweave roll-up door curtains. Place a strip along each hoop before fixing the cover in place. The 6m through to 12m length tunnels include a 1. Contact Us;. “We pre-plant applied most of our nitrogen (N. 600x300x200 Home Garden Backyard Polytunnel Greenhouse Portable Mini Tunnel Plastics White / Green PE Film Green Houses for Sale $ 69 . A more in-depth analysis of building a. Gardening Express. Today i show you my setup for underwater filming with my gopro , and how i edit the film , i show the polytunnel and growing update , i will show tomorrow wh. This gives it one of the most robust frameworks on this list capable of withstanding. Polytunnel plastic is typically made of polyethylene, a thermoplastic that can be melted down and reused. 50 / square meter. [email protected]. This film has an inside and an outside. Look, I’ll fess up if you will too. polytunnel incl. Reinforced Polytunnel Cover Manufacturers, Factory, Suppliers From China, We are very proud of the good reputation from our customers for our products' reliable quality. £ 239. Our hoops are between 22% & 75% larger in diameter than some competitor models. I would recommend something that you can leave open all the time. 133m (7ft), creating a well-structured frame for the Horticraft Greenhouse plastic film. 12. E-mail:info@peihuagarden. Our polythene ranges from 8m to 15m wide and is sold in roll lengths of 200m, 400m, 600m and 800m. Alibaba. 600g (150µm)16ft Wide Polytunnels. Our polytunnel covers are 180 micron (720g) thickness, and have a 5 season incremental guarantee against UV degradation. 410mm x 500m x 8mu – Standard. Polymer film is commonly used as a form of food packaging to keep your food fresh. China Polytunnel Film Green House manufacturers - Select 2023 high quality Polytunnel Film Green House products in best price from certified Chinese Chinese Green Tea, China Green Tea suppliers, wholesalers and factory on Made-in-China. Here at Premier Polytunnels we sell a clear Thermal Anti Drip polythene cover as standard. The tunnel houses you can buy have various options for ventilation including louvres, roof vents and doors. 3m, 9. Greenhouse Polytunnel Walk-in Grow Plant Steel 3 x 2 m. This full UV spectrum film has a dramatic effect on flower, fruit and foliage colours, particularly on the blues and reds, as low-UV is the spectral wavelength that is required to intensify these colours. Minimum cutting length is 2 meters and Maximum is 28 meters. We make it using carbon neutral energy. Our polytunnel is ideal for being used by professional growers, large garden spaces, garden centres and nurseries. We are ISO9001, CE, and GS certified and strictly adhere to their quality specifications for Polytunnel Plastic Roll, Blackout Tarp For Greenhouse , Raised Bed Greenhouse Cover Diy , Clear Greenhouse. Knowle Nets durable polythene film to cover polytunnels of any shape and size. Quick view Add to Cart. 99. 0 / 5. Min Order: 100. You can click ' What's in the kit ' to find out. This is a 720 gauge/180 micron polythene film with a 5-year warranty against UV degradation and is the preferred cover of UK growers - supplied as standard with our Dream Polytunnel Package. Propagation equipment, greenhouses, greenhouse film, shadecloth, fertilizers, misting and fogging, heating & cooling, benching, shelving, trolleys and barrows, Javo potting machines and more. Carrying out such maintenance not only ensures the best growing conditions are kept, it helps stop pests and damage to produce from the elements too. Clear Features & Benefits: Lowers greenhouse temperature by as much as 9°F when compared to standard film. The low cost polytunnel, a novel treating the best technique was created for quick substrate groundwork for vegetable development utilizing perforated HDPE pipes (10% holes), iron edge and HDPE. Our polythene ranges from 8m to 15m wide and is sold in roll lengths of 200m, 400m, 600m and 800m. This film is most useful where sun scorch is a problem for growers. The polytunnel covers allow your plants to thrive, keep them away from the surrounding environment, while generating high heat and effectively preventing the entry of pests. Preparation for garden season in spring. A 14ft wide polytunnel could be just the right size to allow you to spread your horticultural wings. This comes with an 8 year warranty and is slightly thicker at 180 microns. 00 (inc. GardenKraft 10769 2 Section Polytunnel Greenhouse / L130 x W60 x H50cm / Sturdy Steel Frame & Plastic Mesh Cover / Easy Access Roll. A 12ft wide polytunnel will easily allow you to have one central bed and a further growing bed on each side - a layout that can really maximise the use of space while making it easy for the gardener to get around. In recent years, significant quantities of film have been shipped to China for recycling, but this outlet recently closed when the Chinese stopped accepting used film. FOR USE WITH:. Keep the plastic taut when fitting. The specially developed cover. VonHaus Polytunnel Greenhouse - Walk-In Polytunnel Tent with Steel Frame. Polytunnel Polythene Film / Replacement Cover 9. SunMaster SuperThermic EVO AC is our new 8 layer polytunnel film. £. 1,B District of XinDu Industrial Park, JiuLong Road, XinDu District, ChengDu City, Sichuan Province, China. Carrying out such maintenance not only ensures the best growing conditions are kept, it helps stop pests and damage to produce from the elements too. Single-Span Polytunnel Sri Lanka Colombo Houses For Sale Steel Frame Greenhouse Description All components of the tunnel greenhouse are made from thermite zinc plated steel tubes. Within the polythene tunnel, the temperature and humidity are higher. It is framed with steel and is generally made of crop bars, base rails, and a plastic polythene cover. Patented and Top Rated Product, Greenhouse Industry's One Must-Use Equipment, AC 220V/110V 100W Electric Film Reeler Roll Up Units Winch Geared Motor For Side or Roof VentilationOutdoor Polytunnel Greenhouse with Heavy Duty Steel Frame, Large Walk in Greenhouse Tunnel 2m/3m/4m/5m/6m Long, Garden Plant Tomato Growhouse Hot House (Size : 600x200x200cm). Here at Premier Polytunnels we pride ourselves on offering the very highest quality polythene covers for polytunnels, cloches, animal housing, storage units, and swimming pools. It’s not just fruits and vegetables that you can grow, either. SUNVIEW Greenhouse Clear Plastic Film Polyethylene Covering Gt4 Year 6 Mil 12ft. 10m - €17. - The Super Strength Galvanised Steel Hoops are 4. Our 1. Create your very own microclimate providing higher temperatures and humidity for fruit, vegetables and any other plants you are growing outside of their usual season. 99. A polytunnel is a structure made of polyethylene which is designed to protect a row of plants or a section of a garden. Keep the plastic taut when fitting. The cover is easy to adjust and mount, when the frame has been assembled. Sowing flowers. You may also see polytunnels referred to as polyhouses or hoophouses. The film transmits the full spectrum of UV light that plants get naturally. We can help you select the correct balance of light transmission, diffusion, thermicity & impact resistance for optimal return on investment. 00. Polythene. It will generally last between 3 to 10 years depending on usage and site etc, before needing replacement. Normal polythene and glass block the UV below a certain level (350nms. Layer: Single, Double. 4Ft. Layer: Single, Double. Atoke 2M X 10M Extra Thick Polythene Plastic Sheeting,Anti-dust Furniture Cover,Clear Garden Grow Polytunnel Cover Sheets for Greenhouse,Agriculture,Garden,Painting Work. This full UV spectrum film has a dramatic effect on flower, fruit and foliage colours. Additionally, polytunnels are easier to expand after initial setup. Welcome to our 6ft (1. Brace bars when installed are approximately 1. com. VAT. Ships from and sold by Mirkira. Polytunnels are very flexible when it comes to size. Our professional sales advisors are at your service. Premier Polytunnels, Barnoldswick, Lancs, BB18 6JA. My Cart. Fix it to the base rail or bury in a trench. Anti-fog/anti-drip layer lasting lifetime of the polythene. Produces higher-yielding plants with stronger than normal. This is a 600 gauge/150 micron polythene film with a 4-year warranty against UV degradation and is the preferred cover of UK growers - supplied as standard with our garden. This tape is excellent to wrap around clamps and steel tube ends to prevent any damage to the polythene cover. 3+ day shipping. 7 Items. Humidity in a polytunnel should be monitored to keep it at an appropriate level. There are several factors to consider when selecting polythene to maximise crop performance. Heavy duty polytunnel covers supplied & fitted across the UK.