J-B Weld 40001 Wood Restore Liquid Hardener - 16 oz. Quick-drying liquid for sealing and reinforcing decayed or rotted wood and for reducing moisture in decaying or rotted wood surfaces, prior to putty filling Penetrates the wood to reinforce the fibers stopping further decay Great for door frames, window frames and sills, antique furniture and other wood applications Easy brush-on application and no mix formula J-B Weld is proudly made in the USA Seals rotted wood surfaces Dries quickly This is an easy one component application This eliminates moisture in wet wood surfaces Provides a solid, stable base for wood fillers or putties