FITTING & GENERAL
MATERIAL
“Adhesive Ready” & “Paint Ready” neutral grey PVC. See below. Individual pieces fit in seconds!
CUTTING
When cutting Thorny Devils Fence Spikes use a fine tooth saw. A hand panel saw is adequate.
Cut FLAT sections along the stress channels with scissors to trim the spikes into various configurations. The FLAT panels can also be thermo-formed (see below).
DRILLING
Use the original holes as a guide when pre-drilling into masonry, steel, brick etc. Thorny Devil sections can also be attached using self-tapping screws straight through the plastic (no pre-drilling). We recommend a minimum of 2 screws (3-4 screws is preferred) unless using an adhesive.
ADHESIVES
Glue the sections to a clean service with a good building adhesive. We recommend Neutral cure silicon based adhesive e.g. “Mirror Metal Glass” for a very strong bond. (48+ hours curing time)
Note: Use ‘neutral cure” silicone when attaching BIRD SPIKES.
*Occasionally, it may be useful to use a screws or wire to hold the sections in place while the adhesive begins to cure.
PREPARING CONCRETE & STUCCO WALLS
When properly prepared, the Thorny Devilâ„¢ capping will be virtually maintenance free.
Loose or flaking paint will compromise the potential bond and lead to the capping may coming loose.
To greatly enhance the bondbetween the capping and the wall, we recommend removing paint, dirt and loose mortar on the target area, prior to fixing. Good preparation leads to the best result.
CLEANING
To removal of dust and dirt, efflorescence, and all loose or peeling paint and similar fitters may need the use of;
High pressure water cleaners (pressure washer)
Wire brushes
Concrete cleaner/s (acidic masonry cleaner)
Step 1 Use a wire brush and a high pressure water cleaner to remove all traces of loose paint, dirt, dust and other loose matter.
Use/hire a commercial style pressure washer
Step 2 Wash down the top of the wall with a concrete cleaner such as an acidic masonry cleaner.
Step 3 “Rinse with water” so all traces of the acidic masonry cleaner are washed away.
Step 4 Allow to dry properly
Step 5 Apply adhesive.
PAINTING
The natural neutral grey color blends in most surroundings and is maintenance free. However, Thorny Devils can be painted as needed to suit any colour scheme if desired.
SIGNS
Warning signs are recommended to be used as part of the product because they enhance the deterrent effect and should ideally be readable from a distance of 5 meters (i.e fitted approximately every 10 meters)
THERMO-FORMING
By heating in water to around 80C Thorny Devils can be moulded to fit around various shapes & larger posts/pipes. *USE GLOVES to protect hands. Avoid bending the thorns.

