J-B WELD WOOD RESTORE HARDENER

J-B Wood Restore Liquid Hardener seals and reinforces rot-damaged wood, creating a stable base for later filling with Repair Putty (#63340, sold separately) or Epoxy Wood Repair (#68616, sold separately). The liquid formula penetrates deep into the wood to reinforce the fibers, stopping further decay and providing a solid base for subsequent filling. It requires no mixing and dries in just 2 to 4 hours.

Features:

Preps rot-damaged wood for filling with Repair Putty (#63340, sold separately) or Epoxy Wood Repair (#68616, sold separately)
Seals and stabilizes the wood substrate, helping to eliminate moisture and stave off rot
Recommended for window sills, door frames, sashes, floors, columns, posts and more