100% waterproof. Ideal for metals, ceramics, plastics, stone, and other porous/nonporous materials. Superior for wood to wood connections. Excellent sandability and is unaffected by stain. Thicker formula provides no-run, no-drip performance. Will not become brittle with age. Will not expand or contract in wood joint. Sets in 1 to 4 hours. Apply above 50 deg F. Cured Product 0 deg F to 200 deg F.