Product details:

Perma-Chink Shell-Guard RTU is a ready-to-use borate-based wood preservative. It is effective for preventing decay and insect damage to interior and exterior wood members by termites, wood boring beetles, carpenter ants and wood decay fungi. Since the product is "ready to use" it is ready to be poured into a sprayer and applied without the mess and hassle of measuring, mixing, and stirring.