Protective Coating PC-Petrifier Milky White Wood Hardener Wood Filler, 8 oz. is a pre-mixed, single component adhesive designed to fully penetrate and revitalize rotted wood. This water-based wood consolidant is environmentally friendly and i for restoring both interior and exterior decorative woodwork, including window frames, sills, sashes, and nonsupportive posts or columns. Simply apply PC-Petrifier to the rotted area and allow it to dry overnight. Afterward, use PC-Woody to repair any missing wood. Once cured, the surface can be sanded, primed, and painted. The product can be applied by pouring, brushing, rolling, or spraying, and a 16 oz. bottle covers approximately 32 to 75 square feet depending on the wood's porosity. Note that this product is not intended for heavy structural support.