All Guard Pest Control uses & recommends Termidor as a low toxic, effective Termite
Treatment for your home
There area number of
termite treatments available in Sydney Australia, but which are the most cost
effective and what works the best to stop termites in their tracks?
The standard termite treatment involves applying termiticide as a continuous
barrier in the soil around the house, termite baits, installing continuous
termite shields at the top of the foundation, and/or termite reticulation
systems. Other termite treatments include termiticide foam, using crushed
granite (trade name Granitgard) or steel mesh cloth (Termimesh) as a physical
barrier, moisture control, and wood elimination. A combination of methods are
used for "integrated pest management," as many times a single technique is not
enough.
Termite Baits
Termite baits are a great indicator of the presence of termites and are an
effective way to kill the colony causing the problem. Sentricon makes such
a system. FMC makes FirstLine, a termite baiting station using an insecticide
stomach poison in a cellulose matrix. FMC is modifying their product to
incorporate untreated stations that last longer than treated bait stations. The
bait is a cellulose food treated with termiticide, a toxic substance and/or
insect growth regulator. The food is wood or laminated-texture cellulose, which
is favoured by termites. Termites eat the treated food and carry it back to the
nest, reducing the size of the colony. The termiticide in the bait works slowly
enough that termites have a chance to go back to the nest instead of dying near
the bait, because dead termites repel other termites.
It's not recommended by this firm as a standalone treatment, unless it is
obvious where the termites are coming from. Well placed baits are a frontline
indicator of termite activity and often used to supplement soil barrier
treatments. We prefer to use Termidor for termite treatments in most
circumstances, as it is a low toxic alternative which termites wander through
treated areas at random and pick up poison to take back to the nest.
Unlike high toxic repellents, it does not require a continuous barrier
around your home. Termite baits may be used a supplement for effective
termite control.
Why are termites a problem in Australia? Termites (often incorrectly called 'white ants') feed on wood and serve an
important function in nature by converting dead trees into organic matter.
Unfortunately, the wood in buildings
and other structures such as wooden power poles is equally appetising to
termites, so they can cause serious damage which may be very expensive to
repair. There are many species of
termites in Australia, of which about 20 species can eat sound wood in
buildings; those
causing most damage to buildings are social insects that live in subterranean
colonies that
may contain up to 200, 000 individuals.
In order to maintain humidity and to protect themselves from extreme weather
conditions, a
colony (or nest) of subterranean termites may be up to 6-7 metres below the soil
surface and have extensive tunnel networks that can extend up to 100 metres from
the nest.
How can buildings be protected against termites?
Control techniques for termites can essentially be divided into two types,
prevention and
treatment. Preventative measures are easily applied during the construction of
new buildings,
but some (eg. stainless steel mesh, or a layer of granite chips) are not very
suitable for
existing buildings or structures.
Prevention of Attack
Building design can reduce the chances of termite damage. Important strategies
include
reducing the amount of timber used in buildings, a properly designed concrete
slab with edges
exposed for inspection for termite activity, or provision for easy under-floor
inspections of
timber floors. Installation of a reticulated system under the concrete slab can
also to allow
chemical barriers to be applied and re-applied whenever necessary.
Chemical barriers
Chemicals that are used to kill termites are called termiticides. Termiticides
have differing
modes of action, and several methods are used to apply them.
For many new buildings, creation of a termiticide-treated layer of soil
surrounding and under
the building form an integrated barrier together with the physical methods
described above.
The termiticide is applied to the soil under the slab and around the footings,
pipes, conduits
and other structures of the house during construction to create a vertical
barrier. Further
loosened soil around the perimeter of the house, including around all pipes and
service
facilities, is treated during and after construction to from a horizontal
barrier.
Timber
intended for use in the construction of houses, outbuildings, fences and other
outdoor
structures is often treated with chemicals by dipping and pressure or vacuum
impregnation.
The Australian Standards relating to termite management are:
AS 3660.1- 2000
Termite Management - Part
1: New Building Work;
AS 3660.2 - 2000 Termite Management - Part 2: In and
Around Existing Buildings and
Structures - Guidelines; and
AS 3660.3 - 2000 Termite Management - Part 3: Assessment Criteria for
Termite Management Systems.
Treatment of infestation Treatment of a termite infestation in an existing structure also requires an
integrated
approach, including destruction of termites within the timber structures,
measures to locate
and destroy the termite nest, re-establishment of a chemical and/or physical
barrier, and
regular inspections to detect any ongoing or new termite activity.
For existing
buildings,
where signs of infestation have been detected, chemical treatment is usually the
best option
for destroying termites and re-establishing a barrier.
Premise Active Ingredient
Imidacloprid a member of the relatively new class of chemicals called
chloronicotinyls . It is used to create a barrier or treated zone in the
soil where it attracts termites, which die within the treated zone. Brand - Premise, from Bayer
Type - Chloro-Nicotinyl (an insect nerve inhibitor) Toxicity - Rated S5. “Practically non-toxic” both oral and dermal.
Odour - This water-based insecticide is almost odourless. Longevity - The label claims “at least two years”. Bayer advise us that they are
intending to re-label claiming 5 years.
Bayer's printed information states “At CSIRO test sites, Premise was effective
for a minimum of 2 years with more than 6 years control achieve at some sites.
Trial work in infested buildings has shown that more than 90 per cent are still
termite free 5-6 years after treatment.
Bayer also claim that Imidacloprid has some indirect colony control effect. In
other words, it will kill termites without repelling them, and can have a
negative effect on the health and numbers of any colony infesting the immediate
area.
Biflex Brand - Biflex Aqua from F.M.C. Type - Synthetic pyrethroid water based termiticide
Toxicity - Rated S6, oral - “slightly toxic”, dermal - “practically non-toxic”.
Odour - This water based termiticide is almost odourless. Longevity - the label claims “at least 10 years” when applied at maximum
strength. In practical conditions around a typical home, due to water exposure,
disturbance of garden beds etc STC recommends re-treatment each 5 years.
A characteristic of Bifenthrin is that it binds very quickly and strongly to the
soil particles. This makes it a good option where moisture movement in the soil
may be a factor. On the downside, for the same reason, it tends to be filtered
out by the soil so that it will not seep through the soil and penetrate some
target areas as well as a product like as Imidacloprid.
Termidor Brand -Termidor from BASF
Active Ingredient Fipronil - Benzisothiazolin Toxicity -Rated S6, oral-harmful if swallowed, dermal-may irritate skin, does
not readily penetrate skin. Repeated exposure may cause allergic reaction. Odour - has a slight vegetable oil smell.
Longevity - re-treatment each 5 years should be expected.
Termidor was launched in 2002 after some presentations from the USA, where it is
used extensively. It has quickly built up a reputation as “the best”
termiticide, because of claims made that it has strong indirect colony control
effects. The effectiveness of Fipronil as a termiticide
is beyond doubt.
Fipronil is an extremely low toxic active insecticide. It is
applied by spraying, trenching and soil rodding as a chemical soil
barrier around existing structures, and may also be used to protect
poles and fence posts.
Accordingly, All guard Pest Control regards this product as “top of the range” and its cost
premium is generally worthwhile on jobs where a continuous soil treatment is
unlikely to be achievable due to building characteristics.
N.B. - All Guard Pest Control Pty Ltd cannot
guarantee that colony control will occur, since this will depend on many factors
including the termite pressure around the particular areas treated. The best
security is achieved by the formation of a continuous soil treatment in
conjunction with a regularly monitored termite baiting system.