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. 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. 0 out of 5 stars 86. All 1808-28 shrink tunnels come with legs and locking casters. Polytunnel Parts. The triangles were pieced together and held in place with screws, starting at the bottom. 00. Such greenhouses are known to sometimes require. The average home garden plastic tunnel can be used to grow cool-weather crops from autumn into winter and from winter into spring. Add Mini Polytunnels, Row Covers or Cloches Inside Your Polytunnel Protecting plants growing in your polytunnel from frost is often simply a case of giving them an extra layer of protective covering. 5m for the centre, mark it on the poly so it is easy to centre on the board. Horizontal brace bars for 12ft wide tunnel approx $72 per bay plus freight. £19. Mano Mano. Add to basket Super Cloche Brassica Cage with Butterfly Netting - 2. 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'. 593m Long x 33mm OD Z35 High Tensile Galvanised Tube. Plastic also raises humidity so is ideal for crops like celery which loves it. I’m in the northeast USA. Once erected they will be there for several years, so check out my tips before buying. Or a combination of the above. Allow 2-6 working days for receipt of goods. Once the triangle pieces were built, they were covered in polytunnel plastic. 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. Advantages and benefits of our greenhouse plastic: Our greenhouse is U. . Using our guides, you can accurately calculate what size of cover to order by taking a few simple measurements of your polytunnel. The exception here is if you only have a small space. 59 £ 4 . 1M Wide SunSmart Green (for 14ft wide Polytunnels) Shade Polytunnel Polythene Film / Replacement Cover 11. . Plastic Sheet Covered Single Tunnel Greenhouse $10. 5 out of 5 stars 437. Steel Frame Poly Tunnel Steeple Greenhouse - Green. The extra cost at the beginning can save money in. 4. Even if nibbling insects aren’t a problem, polytunnels can keep rabbits, deer and kids out of your garden. BHGS Ltd, Vale Park, Evesham, Worcestershire WR11 1GP Tel: 01386 444100 Fax: 01386 444101 Email: sales@bhgsltd. The walkway, dubbed the Bude Tunnel, has had visitors from all over the country and some even said it was better than visiting the. With steel strength typically found only in commercial high tunnels, these 14-gauge tunnels are designed to give you greater peace of mind on stormy nights. The 6ft wide polytunnels are built to the highest specification, matching the quality and using the same materials as those we offer in other sizes. JFM Polytunnels. . Our polytunnels are some of the strongest and most durable garden tunnels available in Ireland and the UK. 8m(800G) 9m(800G) 11m(800G) 12. i) Water – It’s essential to have a good, reliable water supply. Our range includes 5 UV stabilized covers, both polythene and net so you can choose the best for your planting needs. 75m x 1m high . £219. 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. Standing 26” wide by 31” tall, the. 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. After the plastic was placed over the triangles, the greenhouse was ready to assemble. There are many gardening tricks to guarantee a better yield. 4. Learn more. We offer a variety of Steel Hoops available in different widths. Opens in a new window or tab. Can be retrospectively fitted to an existing polytunnel. We use superior materials in our products to achieve this: - Tanelith E treated timbers for outdoor use. “The plastic diffuses the sunlight and the insects don’t seem to like that light,” notes Sonja. 10m - €17. Different shapes and sizes of polytunnels can be built, to create microclimates suited for different types of vegetation. The seeds are sown in rows, covered with a 0. £13. Once set out drive the 6 feet steel tubing into the ground to a depth of 3 feet using a sledge hammer, use a piece of timber to protect the pipe. Poly Tunnel Frame Size Range: Pro+ Range: 3m x 2m, 4m x 2m, 4m x 3m, 6m x 3m & 8m x 3m. Solar tunnel offer a standard straight-sided burrow plan, however the spread is very . Tomatoes need a germination temperature that remains between 25ºC and 27ºC, and 20ºC after they have emerged. 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. 1x 5 Metre Clear Vegetable Fruit Polytunnel Grow Tunnel - Steel Frame Garden Greenhouse Plastic Poly Tent - by Harbour Housewares 3. Distance over arch (A) = 5. unique. . Basic Principle: Build a wooden frame using 2 x 4 or 4 x 4 boards to the size of your Polytunnel’s base (so that the base frame rests in the center part of the wood throughout) Concrete corner and center stakes onto the ground, onto which you can fasten the frame. First Tunnels range of polytunnel covers are durable and manufactured with the best materials to ensure they are durable and long lasting. Polytunnels often have lots of headroom so are ideal for cordon crops such as tomatoes and cucumbers. Best End-Wall Greenhouse Plastic: Clear 12 mil Woven Greenhouse Plastic. Our calculator selects a width of polythene that spans the distance over polytunnel hoop (C) adding excess to accommodate enough material for burying in a trench (additional 2m) or fitting to base rails (additional 1m). Our Polytunnels sizes include: 10 foot x 20 foot. Buy Plastic Greenhouses & growhouses at B&Q 1000s of DIY supplies. The 1808-28 shrink tunnel is an ideal fit for the 1622 L Bar sealer or the 18"x18" L Bar sealer. 45m. Polyane consists of a 3-layer transparent film which will last for many years. 100%. such as nature, heat treated. What is a Grokurv? A Grokurv is a modern mini grow tunnel which combines the benefits of a greenhouse, a polytunnel and a cold frame all in one, and has some additional benefits too! A Grokurv is a curved shape structure made from very strong clear plastic. Poly Lock Channel is secured to metal framing using Self Tapping Tek Screws. 69 postage. unique. Add to basket. organic fruit and veg straight from your poly tunnel to your kitchen. Plus when you need to open to weed or water and harvest just roll plastic up to. PLASTIC PVC PE GREENHOUSE GROWHOUSE COVERS & FRAME GARDEN PLANT GROW STORAGE BAG. You can consider using mini polytunnels , row covers, bubble wrap, horticultural fleece or other fabrics, or even simple cloches made from. When you run a heater in a single-poly tunnel, you heat the air, and that hot air goes right through the plastic. Free postage. Average cost. A detailed walk-through of my polytunnel build, including every major step, with explanations and footage. For the 8 feet diameter I cut the plastic pipe 5. 99. New Zealand customers: We ship most products to NZ addresses by tracked Courier Post. BRAND NEW 14FT X 30FT POLYTUNNEL KIT - HEAVY DUTY PROFESSIONAL GREENHOUSE - WD. We also have our own commercial nursery so we have a practical. I already have a hanging shelf (made with leftover polytunnel plastic sheeting and scrap wood) and a trellis (on which I string milk bottles for additional container growing. Delivery. £. £40. 0302 lbs per square ft. 120 square ft. Lay out the poly lengthwise on one side of the high tunnel. Made with clear film with no slits or holes for maximum. Description. 2m Wide Rolls of Clear Polythene Sheeting in Stock. 3m Long x 33mm OD Z35 High Tensile Galvanised Tube. Impulse Sealer - A smaller I Bar sealer often used for low production sealing. 2 out of 5 stars $14. Secure the plastic film at the base using staples and screws. Professional tunnel plastic. Alibaba. 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. Image used with permission by copyright. Add to basket. 1m & 14m Widths. The word cloche comes from French and means ‘bell’, a reference to their shape. Please feel free to contact us on 01282 811250 or by e-mail if you are. 50 / square meter. 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. Logged. 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,. Look, I’ll fess up if you will too. We built it using raised beds as a base,. We supply sturdy tunnel houses for NZ’s unpredictable. 4mm or diameter 38. We supply high quality thermal anti-drip polytunnel replacement covers. Was: £299. This is the level of thickness which is guaranteed to last 7 years. 24′ Wide Greenhouse → 38′ Wide Plastic; 30′ Wide Greenhouse → 44′ Wide Plastic; 40′ Wide Greenhouse → 52′ Wide Plastic; CUSTOM GREENHOUSE COVERS. Crops such as green beans, onions, and peas are the most sensitive, while cabbage, cucumbers, peppers, and potatoes are a bit salt tolerant. grow your own in our poly tunnels, at a fraction of the cost of supermarkets. It is best to do this on a calm day. 23m) Wide From £3,121. 50 – $ 200. 5mm Wall Thickness Z35 High Tensile Galvanised Tube As used to manufacture all our Polytunnel kits. Open: Monday to Friday 8am - 5pm Saturday 08:30am - 12noonPoly Tunnel Kit. 00. Our tunnels are made from polyethylene for longer life and better performance. 0 /5 · 1 reviews · "Honest Supplier" Contact Supplier. Our innovative technology allows for maximum efficiency with minimal environmental impact. Outside Polytunnel Greenhouse with Heavy Duty Steel Frame, Large Walk in Greenhouse Tunnel Garden Plant Tomato Growhouse Hot House, 2m/3m/4m/5m/6m Long (Size 200x200x200cm) Patio, Lawn Garden. You will get some condensation, but you will need to water your plants as well. 00. Polytunnels are basically large-scale cold frames, giving growers more area to protect to extend the growing season. 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. View More. 98. 98. Find high-quality stock photos that you won't find anywhere else. Polytunnel Agriculture "In Scotland, fields covered in polytunnels and plastic for warmth and protection from the weather are used for growing strawberries, raspberries and other fruits. 4. This helps us ensure that we are providing the structural solutions that are built to withstand the worst. £1399. It is very important to avail of a soil free from pathogens and pests. The plastic 70m tunnel links a Sainsbury's store to its car park. 35m high . The base should touch the ground to allow maximum adjustment if needed. Creating a heat source inside a polytunnel. 2 Solar tunnels. UV10 Polytunnel Greenhouse Polythene Plastic Horticultural Sheet Cover Foil PVC . Broccoli, squash, and tomato are moderately salt tolerant. A wooden garden stake cut to 1m is useful to get the gap from the first poly pipe. Protect Your Plants. Perfect for new polytunnel builds or as replacements for an existing polytunnel system, all our covers are made with polythene for its thermal, weather resistant qualities. Premier Polytunnels supply a detailed Construction Guide with every polytunnel, which includes step-by-step instructions and accompanying photographs. The 6 mil plastics are often cut-to-order, but there are often a variety of Pre-Cut 6 mil sizes available. Wickes Plastic Walk In Greenhouse - Green (83) £45 . We supply high quality thermal anti-drip polytunnel replacement covers. 20 full jet spray bits (50 piece contractor pack at Bunnings - you'll find a use for the. Moreover, it can also be in clear and opaque shades. Learn more. Mano Mano. Versatile Polytunnel Frame Only We understand that nothing lasts forever. It is ideal for growing many vegetable crops such as tomatoes, peppers, cucumbers, and melons. Three widths available, all with a length of 10m. 4 out of 5 stars 4. Polytunnels often have lots of headroom so are ideal for cordon crops such as tomatoes and cucumbers. Roll the plastic on the roof of the polytunnel. 2: Closed plastic poly tunnel. And whether polytunnels is home. Polytunnels first appeared in the 1960’s once the plastics industry managed to produce reliable wide width polythene sheeting. Anchor Plates. This Maze Greenhouse is a premium walk-in greenhouse, with crystal clear glazing that allows over 90% of light to pass through. co. It’s usually made from a semi. A&A Green Store is the most experienced company we reviewed with more than 15 years under its belt and a focus on greenhouse plastics. 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. It is framed with steel and is generally made of crop bars, base rails, and a plastic polythene cover. POLYTHENE IS CUT TO ORDER AND MEASURED. Greenhouse plastic to suit size of Tunnel House or Polytunnel; Hortiweave roll-up door curtains. Once the frame of your raised bed high tunnel has been erected, cover it with a sheet of 6-mil plastic. com First – What Exactly Is A Polytunnel? A polytunnel is best thought of as a frame for your garden. 40 per running meter. Snapa Clear C Sections. Patch holes and rips in Single OR Double Layer Greenhouse Plastic our FREE High Tunnel Hoop House Winter Maintenance Gu. 98. Attaching greenhouse plastic to metal framing is very easy, however, it will require a few additional pieces of hardware in order to firmly connect the plastic for any duration of time. Polytunnel covers are always a major aspect of any farmers or. Find many great new & used options and get the best deals for Polytunnel Greenhouse Pollytunnel Poly Tunnel Cover Only 6m X 3m 6 Section at the best online prices at eBay! Free delivery for many products!. They are a steel framed, elongated semi-circular garden tunnel structure that has a polythene cover. A polytunnel usually consists of a metallic, plastic, or wooden frame, covered with polythene or other similar materials. Size. Tomatoes need a germination temperature that remains between 25ºC and 27ºC, and 20ºC after they have emerged. This is misleading. These include specialist clamps and basic fixings & fastenings. Recycled polytunnel plastic is also used in the production of non-agricultural products, such as plastic bags, water pipes, and automotive parts. Min Order: 1. Read More (opens in external tab) White UVI. The extra cost at the beginning can save money in. This tape is transparent allowing light transmission and is UV stabilised making it resistant to weathering and will normally outlast the polythene cover. Width: 200cm. £83. Transparent plastic cover: the tough, durable and transparent PE plastic cover protects plants while allowing nourishing sunlight to pass through, the cover can be easily attached to the frame with the included tethers and single-sided tape; The 8 roll-up windows have mesh netting to allow for cross ventilation and climate control. Extending the traditional growing and marketing season should be a high priority for West Virginia produce growers. Then, drape a sheet of heavy duty polytunnel plastic and staple it to the bottom of your garden box. WAIZHIUA 2m x 10m Heavy Duty Polythene Sheeting 125Mu/500g Extra Thick Plastic Sheeting Clear Polytunnel Cover Plastic Dust Sheet for Greenhouse, Polytunnel, Farming, Painting Work. This sounds. 99. Unlike greenhouses that remain covered all of the time, high tunnel plastic coverings may be applied and removed seasonally, depending on the requirements of the crop. 65% on a sunny day and 81Wh and 0. BIRCHTREE 6M (L) x 3M (W) x 2M (H) Polytunnel Greenhouse £169. Secures easily with Spring Lock Channel and Wire, and can last more than 4 years if installed correctly. Creating a heat source inside a polytunnel. 99 4. Adjust the plastic so it will create a tight seal on the roof and sides of your polytunnel. If you are cutting from a longer roll of plastic, be sure to leave 2’ extra on each end to allow for attaching to the end walls. 5m(800G) 14m(800G) 14m(1000G) 15m(800G) 15m(1000G) Please note: Minimum cutting length is 10 meters. 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. That is the large walk in frame tunnels covered in plastic sheeting for growing a wide variety of crops from. 95. XL Horticulture are suppliers of the worlds most advanced polytunnel polythene, smart films and spectral filter polythene and the worlds most energy efficient SUPER thermic polythene. They continue to become more popular each gardening year. 4 Sizes Poly Tunnel,Polytunnel,Pollytunnel,Greenhouse,Green House,Polly Tunnel. It’s best to go for one that’s at least 6ft (1. From Einhell to Outsunny, you'll find a wide selection of greenhouses, polytunnels, balcony greenhouses and walk in greenhouses from our outdoor brands. Poly Tunnel Plastic (2040 products available) New style Transparent poly tunnel UV resistance agricultural 200 micron greenhouse plastic film roll $2. 3m Long x 33mm OD x 1. New Zealand customers: We ship most products to NZ addresses by tracked Courier Post. 00. Our range includes 5 UV stabilized covers, both. uk. An industrial strength tube ideal for. FREE delivery Thu, 2 Nov on your first eligible order to UK or Ireland. 4-Tier Green 160cm Greenhouse - Polytunnel Poly Plastic Garden Plant Vegetable Mini Growhouse Tent Polyethylene Cover - By Harbour Housewares. There are two common approaches to keeping a polytunnel warm: Retaining daytime heat. Screwing the Channel to Metal. 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. Polytunnels are usually shaped, as the name implies, like a tunnel. 5mm Wall Thickness Z35 High Tensile Galvanised Tube As used to manufacture all our Polytunnel kits. It has a life expectancy of up to 10 years and comes with a 5-year warranty against UV degradation. Various types of plastic can be used for the roll-up sides, but most commonly the roll-up sides are installed from a single top cover piece that is purchased so it is long enough to cover the roll-up sides as well. 2 Solar tunnels. As well as from pe, pvc. Allow at least 1 to 2 feet of space in between staples and screws. Greenhouses & Polytunnels for sale in Ireland - Buy Greenhouse Online - Polycarbonate Polyunnels - Vegetable Seeds and Greenhouse Accessories - We are specialists in polycarbonate polytunnels and greenhouses. 32m) Wide From £2,187. 5m(800G) 14m(800G) 14m(1000G) 15m(800G) 15m(1000G) Please note: Minimum cutting length is 10 meters. Our high tunnels help CSA’s and vegetable growers alike enjoy an extended season by getting their product to market sooner. Horticultural Greenhouse Plastic Shade Cloth. 50. Polytunnel Greenhouse Clear 25mm x 50m Polythene Repair Tape. Polycarbonate can come in a few colors. Acts as a mini greenhouse. Low cost cheapest plastic tunnel greenhouse. 5 out of 5 stars 430. Items 1 to 12 of 12. 5 out of 5 stars 4. We offer various types of made in Canada poly coverings and accessories for your growing projects or our custom made high tunnel greenhouses . Clear plastic polytunnel covers are made from high-quality 150mu (600 gauge) polythene which is tough and long-lasting. However, polycarbonate cannot be polished to restore its clarity. Plastic greenhouses. Even if nibbling insects aren’t a problem, polytunnels can keep rabbits, deer and kids out of your garden. 3. We offer a range of spare clamps, clips and fastenings for our full range of polytunnels. They continue to become more popular each gardening year. 5 x 2 x 2 m Large Galvanised Steel Frame Outdoor Poly Tunnel Garden Walk-In Patio Greenhouse - White. Get the best deals on Polytunnels Frames. Chapter. Garden Grow Tunnel 6x3m. The best. With 90% light transmission, your plants will get the amount of sunlight that they require. A more in-depth analysis of building a. £34. £219. Basic Principle: Build a wooden frame using 2 x 4 or 4 x 4 boards to the size of your Polytunnel’s base (so that the base frame rests in the center part of the wood throughout) Concrete corner and center stakes onto the ground, onto which you can fasten the frame. . If you are cutting from a longer roll of plastic, be sure to leave 2’ extra on each end to allow for attaching to the end walls. Hoop Houses polytunnel uses a series of hoops to support the plastic covering. Grow a variety of flowers, plants and vegetables in this 3x2 metre polytunnel by Garden Grow. 5x17m) and they served me well except that their 1in/2. [2]AG Polytunnels is a family run business that has been designing and manufacturing agricultural and horticultural buildings for many years from their UK site in the Forest of Dean. 5 out of 5 stars 4. 3m Poly Houses) A$395. We have a wide range of horticulture materials for sale including greenhouse plastic, anti-bird netting & more. Polytunnels are usually shaped, as the name implies, like a tunnel. In terms of materials, polyethylene and polyvinyl chloride must be different. 19 £ 4 . 2. This sounds. The 10ft wide is the most popular of the Premier Polytunnels garden polytunnel range. Don't settle for anything less than the strongest and thickest polytunnel plastic covers. Greenhouse Poly & Covers. Hobby polytunnels can accommodate growing surfaces from 50 to around 400 square feet. Available polythene widths. This greenhouse is perfect for hobbyists, gardeners, and farmers alike. Greenhouse material, such as shade cloth, is a simple solution that affords those that battle against the elements to reclaim the comfortable conditions required to maintain stable growth and healthy plants. Unfortunately the best 'glue' is tape. With proper care, even a 5m2 garden tunnel will produce enough vegetables for the whole family. 14 foot x 20 foot. 9%. Thinner thicknesses can be too flexible and. To do this, dig a trench all around (30 cm deep) and cover the material with dirt. • Our tunnels have very good head clearance right out to the sides giving ample. Our polytunnel is ideal for being used by professional growers, large garden spaces, garden centres and nurseries. 98. 7mm thickness. HomeAdvisor says the average cost to build a greenhouse in 2021 is USD 15,746. 10m on a roll and available in two widths – 50mm and 100mm. 19. Start by cutting the materials. Current lead time is approximately 14 business days. 18. View More. 4m x 0. In my 10-foot-wide tunnel, I. 3m, 9. Zippered panels can be opened to vent excess heat on sunny days or to permit access when tending to plants. 4. Polybags average a thickness of 1-6 mils. The plastic allows early in-ground seed starting, the others work great for pest control and and shading during the scorching July weather. First, put the poles in the ground. $50 Hoop House from The Door Garden. 5 yrs CN Supplier . $25 Easy 5×5 Greenhouse from Instructables. That is the large walk in frame tunnels covered in plastic sheeting for growing a wide variety of crops from. 30ft (9. Peppers and aubergines can also be grown up strings if you wish, there is a tradeoff between space requirement and extra work. Polytunnels are 2–2. Less demand for watering. Crop Bars. £29. Whilst rainwater can be collected in a greenhouse, it can’t in a polytunnel. 538 Reviews. The life of polyethylene film is limited due to degradation processes induced by sunlight and heat. The interior heats up because incoming solar radiation from the sun warms plants, soil, and other things inside. 7m and polythene is trenched along the sides. For the same price, however, you would only be able to buy a much smaller greenhouse, sized just 6×8 foot. Plastic low tunnel/nursery tunnel, local-type greenhouses/bamboo greenhouse/tunnel, naturally ventilated green/ polyhouse, shade net house and insect proof net house were major practices/types of. EUR 16. 16 shipping. 99. Wider ScopeFig. 5m. 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. £. UVI Five Year Tunnel Polythene Sheets We also supply new polytunnel covers for any tunnel or DIY structures. (Drawn by Vince Giannotti) Figure 2. Designed to insulate your greenhouse from the frost and cold that winter brings. Both cost effective and easy to construct, a polytunnel is essential to any gardening enthusiast. Ventilation. Polybags average a thickness of 1-6 mils. The following are the essential differences. We also offer all-in-one greenhouse kit solutions. Snapa Clear H Sections. Our polytunnels are some of the strongest and most durable garden tunnels available in Ireland and the UK. Note that green polytunnel covers do not let enough light permeate through the tunnel. If you're interested in erecting a polytunnel your. Don't settle for anything less than the strongest and thickest polytunnel plastic covers. If fencing in your garden isn’t an option, using polytunnels to protect your veg is the next best thing. Where outdoor structures are concerned, they can eventually succumb to the effects of adverse weather conditions. A polytunnel (hoop greenhouse) is great for gardeners that can’t afford a real greenhouse. 25m x 1. The plastic corner pieces for inserting the tubes are also the only way the wood is attached (based on the instructions. Polytunnels are wonderful structures and good value compared to greenhouses. You may need to long-handled brush to reach up and remove stuck-on dirt. Retaining day time heat is essentially providing insulation and draft proofing to keep warm air inside the polytunnel. It features 4x retractable windows that allow light in and a reinforced steel frame for additional stability. The interior heats up because incoming solar radiation from the sun warms plants, soil, and other things inside. Making full use of these documents together.