Agricultural Polytunnels
Please find below the details of our Standard AGRI Tunnel Kit and AGRI Tunnel Plus Kit. The Standard AGRI Tunnel Kit consists of a galvanized steel frame, tanalized timber lintel, posts, and diagonal braces. It also includes tanalized timber side rails with 1m green windbreak livestock mesh on both sides, a white UVI 720G 5-season polythene sheet, anti-hot spot tape, tanalized timber Yorkshire boarding ends, and a standard 12’ lintel unless otherwise stated. On the other hand, the AGRI Tunnel Plus Kit includes a galvanized steel frame, galvanized steel ends lintel, posts, and diagonal braces. It has tanalized timber side rails with 1m green windbreak livestock mesh on both sides, a white UVI 720G 5-season polythene sheet, anti-hot spot tape, a wooden kick board at ground level, tanalized timber Yorkshire boarding ends, and galvanized wire stock fence provided to the inside netting. It also comes with a standard 12’ lintel unless otherwise stated. Both the kits are available in single span 18', 21', 24', 27' and 30' wide by almost any length. We also provide these kits in two or three-bay twin spans. If you wish for our team to build it for you, please share your full postal address.
Please Note: The Yorkshire boarding along the length of the polytunnels ''shown in images'' is an optional extra.
Polytunnel houses allow much welcomed light and warmth to enter the building. This not only improves food conversion rates but creates a healthier, drier environment which is less favourable to many bacteria and fungi. We have found customers using our structures for hay/general storage as well as a dry place to house sheep before and during shearing, making them an all-year-round investment. They are becoming increasingly popular as calf housing and poultry sheds, as well as housing for dairy herds, beef cows, goats, and pigs.
What size housing do you need? It is recommended that each in-lamb ewe has a minimum of 0.9m²-1.4m² of floor space (depending on breed). That there is a separate dedicated area for sick animals, and you have sufficient feeding/access space. Calves require 2 - 5m².
The original sheep house was an adaptation made by agricultural colleges in the late 1970’s. By using the growing trend of polythene-clad houses used in horticulture, the colleges were able to accommodate the differing stockman techniques developed over the last few decades. Some of the different approaches to modern sheep management and breeding are aimed at achieving an edge over competitors, to gain a price advantage at auction, or to breed quality stock. Not all breeds are created in the same way, so tunnel structures and fixtures can vary depending on the needs and variations of the stock. Scanning sheep, segregated feed rations and monitoring stock nearby allows the stockman greater control over the welfare of his animals. Another benefit is whilst overwintering the stock inside, the land is allowed time to rejuvenate and sustain the new flock sooner. No more carrying feed through waterlogged fields.
Framework. We supply the framework at 50.8mm diameter with the 18' and 21' and 60.3mm diameter with the 24', 27' and 30' wide shelters. Heavy duty foundation tubes , 3’6” (1.07m) straight sides. Anti-Hot Spot Tape this tape is placed on the hoop of a tunnel prior to the sheet being fitted. It acts as an insulation between the metal and the polythene and can prolong the life of a polythene sheet by at least a year. Ends 3” x 4” (75mm x 100mm) tanalised timber end frames supplied with shade net panels for each end. (Doors not supplied) Side Vents 3” x 2” (75mm x 50mm) tanalised timber side rail including fittings, battens, and nails for both sides of the structure. Complete with Tensar cladding side ventilation netting with a 63% protection factor. The tensar cladding is battened to the timber side rail and battens on the outside of each hoop leg. (Base rails are not required with this structure).
Covering Materials
Please specify which cover you require when ordering.
• Opaque white polythene 720g (180 micron). UV stabilised polythene with a 5-year life span. 68% light transmission makes this an excellent cover for livestock housing.
• Green and white polythene 800g (200 micron). UV stabilised polythene with a 5-year life span. This polythene blends in with the environment and is 100% lightproof.
(Artificial lighting required).
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