Permabore Boron is a water-soluble wood preservative, which can be applied by pressure impregnation or by dipping. The key active is the element boron. Permabore Boron is only suitable for use for Hazard Class 2 applications (indoor and above ground).
Boron (B) has been found to be an effective biocide and an especially effective insecticide. Its role in Permabore Boron is as a fungicide, bacteriocide and insecticide, protecting wood from attack by fungi, bacteria and wood-destroying agents.