Understanding the termite threat: Australia is home to approximately 350 species of termites, about 30 of which have achieved pest status. Termites eat cellulose and many will eat timber and timber products, and common items around homes such as furniture, paper and fabrics.
The termites of economic importance to the Australian forest and timber industry can be divided into three groups: dampwood, drywood and subterranean termites. However, the subterranean termites are by far the biggest of the three groups of termites, constitute the main problem for the homeowner and are the subject of most control and eradication programmes.
Termite colonies that infest structures usually begin outside and gain entry to structures via the ground. The building code of Australia (BOA) recognise the benefits of providing effective termite protection to the building. For traditional Australian construction, ie: using timber floors off the ground, protection is afforded by incorporating physical barriers into the building, followed by the regular (at least annual) inspection of those barriers and the surrounding site. Australia’s rich heritage of timber buildings is testimony to the effectiveness of this approach.
Therefore, today two of the most popular termite control methods are termite barriers and baiting systems. But which one is best for your home?
Let’s break down each option to help you make an informed decision:
What Are Termite Barriers?
Termite barriers are physical or chemical barriers that are installed around the perimeter of your home to prevent termites from entering.
There are two types of termite barriers:
Physical Barriers: During construction, these barriers are made from materials like steel mesh, sand, or plastic sheeting that are placed around the foundation to block termites from gaining concealed access to your home.
Chemical Barriers: Barriers are best used for preventing termite entry rather than eliminating active infestations. It involves the application of liquid termite-resistant chemicals that are either sprayed or injected into the soil around the home. Although many modern chemical treatments are designed to be less harmful to humans, pets and the environment, chemical barriers may still pose risks to local ecosystems. The chemicals repel or kill termites that meet the treated area. It's important to remember that while chemical barriers can be effective at repelling and killing termites, they are not foolproof. Over time, factors such as soil disturbance, chemical degradation and the movement of termites can affect the barrier's effectiveness. Some termite species may even develop resistance to certain chemicals, making it harder for barriers to provide long-term protection.
What Are Termite Baiting Systems?
Termite baiting systems consist of bait stations placed around your property that attract termites. These stations contain a substance that termites eat, which is then carried back to the colony. The active ingredients in the bait kill termites, eventually leading to the elimination of the colony. Baiting systems can be used both for monitoring and actively treating termite infestations.
Benefits of Termite Baiting Systems:
Targeted Approach: Baiting targets the termite colony directly, eliminating the source of the problem.
Eco-Friendly: Most modern baiting systems use low-toxicity substances that are safer for the environment and non-toxic to humans and pets.
Continuous Monitoring: Bait stations can be regularly monitored for termite activity, allowing for early intervention if a colony is present.
Effective for Existing Infestations: Baiting systems are especially effective if termites have already been detected, and you need to eradicate the colony.
Drawbacks of Termite Baiting Systems:
Slower Results: Unlike chemical barriers, baiting systems can take some time to fully eradicate a colony. Termites must first feed on the bait, and it can take weeks to see a noticeable reduction in activity.
Regular Maintenance: Bait stations require regular checks and refills to ensure they remain effective.
Cost: Initial setup and ongoing maintenance can be expensive, especially for larger properties.
Combining Termite Barriers and Baiting Systems for Maximum Protection
Termite infestations are a significant concern in eastern Australia, with statistics highlighting the prevalence and impact of these pests. Many pest control experts recommend combining both termite barriers and baiting systems for comprehensive protection. A barrier provides an initial line of defence, while baiting systems actively target and eliminate any termites that may have slipped through the cracks. By using both, you can significantly reduce the risk of termite damage to your home.
Finally, the Australian Standard for Termite Management, AS3660.2.-2017, specifically outlines the need for regular inspections (every 12 months) to detect and monitor termite activity. These inspections are recommended for both new and existing buildings to ensure early detection and to mitigate the risk of extensive damage for termite infestations. The inspections must be conducted by a qualified pest management professional, who will check for signs of termite activity, inspect vulnerable areas of the building, and assess the effectiveness of any termite barriers in place.
By adhering to the guidelines in AS 3660.2, property owners can significantly reduce the risk of termite damage and ensure that their home is properly protected.
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