The PC Products PC-Petrifier is a water-based wood hardener used to restore and strengthen soft or rotted wood in non-structural areas such as window sills, frames, trim, and decorative beams. The water-based hardener can also be used to prepare old wood for priming and painting, and helps seal wood from future damage. It has a thin consistency to deeply penetrate and saturate wood fiber.SpecificationsContinuous service temperature range33 to +200 degrees FTime until cured for service24 hours (dependent on temperature and porosity of wood being treated)Time until fully cured3 to 7 days (dependent on temperature and porosity of wood being treated)ColorMilky white Protective Coating Company manufactures products to repair and restore various materials, including wood and concrete. The company, founded in 1954, is headquartered in Allentown, PA.