Protective Coating PC-Petrifier Milky White Wood Hardener Wood Filler, 16 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. Then, use PC-Woody to repair any missing wood. After curing overnight, the treated area can be sanded, primed, and painted. The product can be poured, brushed, rolled, or sprayed onto the surface, with a 16 oz. bottle covering approximately 32 to 75 square feet depending on the porosity of the wood. Please note, it is not intended for heavy structural support.