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The Inditherm pitch heating system can be designed to fit
under any size of pitch. Under a standard UEFA football pitch, the heating would
typically be laid under 7,490m² (105m x 68m playing surface plus a 1m run-off
area), providing a heated footprint to the entire area. Heating can also be
provided to the whole run-off area and approach tunnels, if
required.
Our pitch heating systems are designed using a matrix of heating pads (which
typically measure 10m x 0.5m) that are laid under grass pitches at a depth of
250mm to 300mm (with a typical construction of 150mm lower root zone and 150mm
upper root zone). The pads are spaced to allow for efficient drainage of the
ground and optimum heating of the pitch. The actual pad spacing depends upon the
expected ambient conditions and therefore varies from a minimum of 500mm up to
800mm. In a typical UEFA pitch with pads spaced at 600mm, there would be 640
pads.
Under artificial pitches the pads are laid just below the playing
surface.
The Inditherm heating elements are mounted on close cell insulation and are
encapsulated in rugged, hot welded outer covers to ensure that each unit is
sealed and waterproof.
The pads are wired in groups of 4 pads and connected to waterproof junction
boxes mounted on the gravel base layer. Cables run from these junction boxes to
waterproof pitch-side junction boxes. These can be installed either below or
above ground level, depending upon the user needs. When installed below ground,
they can be covered by weight bearing lids and covered in artificial turf.
Pad orientation will depend upon a number of factors, such as the
configuration of the drainage and sprinkler systems, the availability of power
and the design of the heating zones. However, under the playing surface the pads
will normally all be laid the same orientation, either goal to goal or touchline
to touchline.
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