Pre-construction Your Specialists in Pre-Construction Treatment Sunshine pest and weed management offers a variety of physical and chemical treatments: A Chemical protective treatment: Hand spray application Reticulation Systems A Physical protective treatment: Kordon termite barriers Termseal termite barriers Greenzone termite barriers A combination of the two treatments mentioned above may be needed to meet the necessary minimum requirements AS3660.1. Other Pre-Construction Treatments : Slab Parging - Parging of a the slab edge for prevention of rising damp (Moisture) Hand spray application (basic) Brush on application (Premium) Slab Curing: Hand spray application