Competently treated structures are expected to resist termites for a much longer period of time than untreated or post-construction treated structures. However, the treatments are not permanent—if they were they would not be allowed—so it is always preferable to rely on physical barriers as the primary protection. While some chemicals may be still adequately toxic after 10 years under a slab, most will be significantly degraded and the pest managers typically suggest re-application to accessible areas by 5 years after construction. Some building features that are frequently tested by termites, such as where plumbing penetrates slabs and any buried masonry walls, are not accessible once construction is completed unless significant and damaging works are undertaken. The costs of treating at construction are typically 50-70 percent less than for a post-construction job, but more importantly it is only during construction that all the potential risk areas can be properly identified.
Termite Pre-treatment Recommendations
Make sure the company performing the work is competent, licensed, insured and bonded.
The builder and termite manager should maintain communication before and during the construction of the foundation and have a mutual understanding of the completed structure so that all additions and finished soil levels are properly covered. All parties need adequate notice regarding changes in structural elements and soil conditions.
Be aware of soil conditions at the job site. The termiticide emulsion is applied to soak into the voids in the soil and typically (but not always) is expected to bond to organic carbon (think dead things) and so avoid washing away. It is much easier to apply chemical to sand (big voids) but bonding is poor while fine clays offer better bonding but fewer gaps for the emulsion to penetrate. Like stone, some clays are effectively untreatable unless broken up. If the soil is saturated with water or if it is too cold, it will be impossible to apply the chemical at the required label rate. Liquid termiticide labels prohibit the application of the product if soils are frozen or saturated.
Termite Pre-treatments and New Additions/Structures
All new constructions in areas where subterranean termites are a risk should have barriers installed. New additions to your home, such as - garage and sunrooms - also require barriers to termites. Even if the home was TREATED before, termites can bypass the original termiticide and attack the new structure. Swimming pools can be damaged by termites if the walls are made of wood that have not been rated for wood-to-ground contact. Termites will chew through most soft plastics, so swimming pool liners are readily damaged, particularly if they are placed directly over a food source such as peat. Modern plastic water pipes and tanks are similarly at risk but metal and unplasticised PVC pipes are rarely affected.
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Termite Treatment Options
There are many different types of termite treatments available to homeowners, so how will you know which one is best for your home? This decision should be made carefully, following careful research of the options recommended by your trusted termite Treatment specialist. Each home is unique so treatment should be customized accordingly. By working closely with your termite Treatment specialist, you can develop an appropriate and effective termite treatment plan for your home. The most common termite treatment options are outlined below.
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