Depending on the situation, remedial treatments may be either partial treatments that are applied only to the area of the building where the infestation has been detected or, more commonly, a remedial treatment may involve treatment of the entire building. Remedial treatments are applied in response to detection of an active termite infestation. Even in the absence of active termite infestations, preventive treatments may be required simply because of the amount of time that has passed since the last termite treatment or in response to some type of problem that has compromised the treatment. Postconstruction treatments may be applied preventively or remedially. Because termiticide treatments do not last indefinitely, buildings need to be periodically re-treated for termites in order to maintain termite protection, and a building that is many decades old may have received several termite treatments. Postconstruction treatments are treatments that are applied to older, established buildings. MSU-ES Publication 2765, What Home Builders Need to Know about Termites, specifically addresses preconstruction termite treatments. The vertical barrier, or exterior perimeter treatment is applied shortly after the building is completed and the final exterior perimeter grade is established. The horizontal barrier must be installed before the slab or foundation for the building is poured, but after all form boards and other preparation for pouring the slab or foundation is completed. Installation of a liquid termiticide pretreatment is a two-step process that involves establishing a horizontal barrier of treated soil underneath the building and a vertical barrier of treated soil around the exterior building foundation. It is important that any subsequent additions to a building also be properly pretreated. Most preconstruction termite treatments installed in Mississippi utilize liquid termiticides. Some types of treatments and physical barriers can only be applied at this time, but there are other methods of termite treatment that can be applied either as preconstruction treatments or postconstruction treatments. Obviously, preconstruction treatments can only be applied at one point in the life of a building. Preconstruction treatments are protective treatments that are applied or installed as a building is being built, and shortly after the building is completed. Before considering different methods of termite control, it is important to recognize that there are two major categories of termite treatments based on when the treatment is applied: preconstruction treatments and postconstruction treatments.
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