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The reasons to buy a polytunnel from us...
We have combined years of experience and our state-of-the-art technology used for garden centre buildings to assess the wind and snow loadings for our polytunnels in certain parts of the country.
Though a comprehensive set of structural calculations cannot be provided for a polytunnel structure, the map opposite shows our recommendation for whether you should choose 5ft or 6ft spacings. Note this is only a recommendation, should you need any further assistance please contact our sales department. Also you can check out our Polytunnel Comparison here
BIG BORE TUBE
All our range now comes with 1-1/4" (32mm) diameter Z35 structural steel tubing. We also have a new super strength kit.
2 PIECE HOOP CONSTRUCTIONS
All Northern Polytunnels are manufactured using a proven 2 piece hoop, as on our commercial range, unlike our competitors who use 3, 4 or even 5 piece hoops.
A far superior product to hinged doors and supplied as standard. Manufactured from timber or aluminium.
ALITRAP FIXING SYSTEM
We've utilized our commercial aluminium and PVC fixing system for our aluminum door, doorframe and base rail. Giving commercial quality all round.
METAL PLATE TIMBER JOINTS
On our door and door frames we are using our new corner fixing plates for extra strength and easier assembly.
HIGH SIDED DESIGN
All our structures have 1mtr straight sides with 6ft working height within 1ft 6" (457.2mm) at each side.
STRONG COMMERCIAL TYPE BRACKETS
Our hobby brackets are the same design as our commercial range, which have been developed over the last 40 years with proven strength and durability.
CLOSER HOOP SPACINGS
We offer either 5ft 6ft hoop spacing's on all our range of structures for extra strength.
HEAVY GAUGE FOUNDATION TUBES
Thick wall, hot dipped galvanized tubes for longer life and a stronger structure.
LARGER TIMBER SIZES
Tanalith Treated we are now using 3" (75mm) x 1-1/2 (40mm) timbers for our door frames, base and side rails and 1-1/2" (38) x ¾" (19mm) double row fixing battens.
All our range now come with 900mm wide door frame as standard.
Quality British made polythenecovers designed to perform in the UK conditions.
Why Buy Commercial:
Anyone can blow their own trumpet, and we wouldn’t want you to just take our word for it. We have taken the time to compare ourselves in the market and the results can be read and downloaded here…
“Quality is never an accident; it is always the result of high intention, sincere effort, intelligent direction and skillful execution; it represents the wise choice of many alternatives.” William A Foster
We have used over 40 years experience to design and develop our range's which are best suited to the needs of the commercial growers.
Our team is talented and experienced and ready to give you the best possible advise on your structure.
We have combined our years of experience and state-of-the-art technology to assess the wind and snow loadings for our polytunnels for all geographical locations.
We only use commercial grade materials that are made to withstand the trials and tribulations of commercial use.
STEEL TUBE SPECIFICATION
Galvanised both inside and out, meets and exceeds Z35 construction standards.
Supplied in only two sections for strength. 50mm O.D for 18ft and 21ft wide structures and 60mm O.D for 24ft, 27ft and 30ft wide structures with a 1.5mm wall thickness.
1.8mm thickness with 275g/m2 hot dipped galvanised zinc coatings.
British made for the UK climate. 720 gauge, Anti-drip (anti-condensation) 5 year UV guarantee. UV ‘open’ polythene allows UV light to enter, which has many benefits to most crops.
Manufactured in-house. Heavy duty zinc plated with JS500 coating for extra long life.
Heavy duty galvanized finish with 3.25mm wall thickness.
INTERNAL SHEET TENSIONING SYSTEM
Allows for extra tight sheets to be tensioned and re-tensioned without professional help.
50mm O.D with 32mm O.D inverted ‘V’ and ‘W’ formation available.
Aluminium sliding doors fitted as standard for loner, trouble-free life.
Tanalith treated 75mm x 75mm (end timbers) and 100mm x 50mm (side rails)
On-site fabrication department, using CNC rolling and break press technology.
We have combined years of experience and our state-of-the-art technology
used for garden centre buildings to assess the wind and snow loadings for
our polytunnels in certain parts of the country.
Though a comprehensive set of structural
calculations cannot be provided for a polytunnel
structure, the map opposite shows our
recommendation for whether you should
choose 5ft or 6ft spacings. Note this is
only a recommendation, should you
need any further assistance please
contact our sales department.