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.
Polytunnel Comparison
NEW BIG BORE TUBE
All our range now comes with 11/4"
(32mm) diameter Z35 structural steel tubing.
2 PIECE HOOP CONSTRUCTION
All Northern Polytunnels
are manufactured using a proven 2 piece hoop as in our
commercial range, unlike some of our competitors.
CLOSER HOOP SPACINGS
We offer either 5ft or 6ft hoop
spacing's on all our range of structures for extra strength
NEW SLIDING DOORS
as standard. Manufactured from
timber or aluminium.
ALITRAP FIXING SYSTEM
We've utilised our commercial
aluminum and PVC fixing system for our aluminium door, door
frame and base rail.
HEAVY GAUGE FOUNDATION TUBES
Thick wall hot dipped
galvanised tubes for longer life and a stronger structure.
LARGER TIMBER SIZES
Tanalith TREATED We are now
using 3" (75mm) x 11/2 (40mm) timbers for our door frames,
base and side rails and 11/2" (38mm) x 3/4" (19mm) double row
fixing battens.
METAL PLATE TIMBER JOINTS
On our door and door
frames we are using our new corner fixing plates for extra
strength and easier assembly.
STRONG COMMERCIAL TYPE BRACKETS
Our brackets are
the same design as our commercial range which have been
developed over the last 40 years with proven strength and
durability.
WIDE DOORWAYS
All our range comes with 900mm wide
door frame as standard.
NEW HIGH SIDED DESIGN
All our structures have 1mtr
straight sides with 6ft working height within 1 ft 6" (457.2mm)
at each side.
VISQUEEN
Quality British made polythene covers designed to
perform in UK conditions.
40 YEARS EXPERIENCE IN POLYTUNNEL MANUFACTURE...
This speaks for itself.
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