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Low Harm Intruder Deterrent Fence Spikes

Lots of pain, but no harm to intruders, trespassers and some animals

THORNY DEVIL – FENCE CAPPING – SPIKES

L SECTION
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Right angled base section with dual rows of thorns on top and a single row on the outer side!
Ideal for common paling / steel and panel type fences with a narrow top edge. Thorny Devil fence spikes can be easily glued or screwed on.
* See Gallery for PICS or refer to PRICING / BUY NOW

SADDLE SECTION (2 Types)
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Either three (3) rows or two (2) rows of spikes in a curved cross section.
Pieces are 500mm long.
Uses: Chain link fencing, gates & uprights (above the fabric between barbed wire), pipe rails, posts e.g. shade sail structures, exposed plumbing pipes etc. Also suit a variety of curved “top profile” fences i.e. on metal panel fences.
Note: Material is PVC. Can be drilled, nailed or sawn, painted and glued.
Can be easily trimmed into strips or short saddles. Can be THERMO-FORMED to suit novel applications.
* See Gallery for pics/applications or refer to PRICING / BUY NOW

FLAT SECTION
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Similar dimensions to a common house brick with channels and groove in the base for cut lines, flexibility and extra bonding strength.
Uses: Brick fences & walls, broad top panel fences, piped chain link fences, pipes, flat post/pillar tops. Note: Can be drilled nailed, sawn, painted and glued. Can be easily trimmed into strips. Can be THERMO-FORMED to suit novel applications.
* See Gallery for pics/applications or refer to PRICING / BUY NOW

WARNING SIGNS

Warning signs are available and recommended as part of the installation. They advise potential intruders that Thorny Devils are present. Signs can be screwed or glued and should be easy to read. * See instructions

News & Feedback

  • No Harm to Animals

    A) The thorns are short and their apex is purposely made with a radius.
    B) Any painful effect can only be due to pressure applied to the thorns and as cats & possums only weigh a small amount, they are unable to exert harmful pressure.
    C) The thorns are spaced to ensure that animals are made uncomfortable, yet not hurt.
    D) Cats and possums have very keen eyesight and excellent survival skills. They easily recognize the Thorny Devil spikes from a distance; and once they have encountered them, they generally choose to modify their behaviour.
    E) Thorny Devils are low harm, obvious and benign.