PC Products PC-Petrifier Water-Based Wood Hardener, 5gal Pail, Milky White 640449 Water-based wood hardener to restore and strengthen soft or rotted wood in non-structural areas such as window sills, frames, trim, and decorative beams Can also be used to prepare old wood for priming and painting, and helps seal wood from future damage Continuous service temperature range from 33 to 200 degrees F Provides cure for service time of 24 hours and has full cure time of 3 to 7 days Thin consistency to deeply penetrate and saturate wood fiber