To fix a leaking wooden barrel spigot, first remove the spigot and inspect the hole for cracks or corrosion. For small holes, apply wood epoxy or waterproof filler, let it cure, and sand smoothly. For larger gaps, install a new wooden plug or metal sleeve, ensuring it fits snugly. Apply exterior-grade sealant around the spigot threads and reattach it tightly. Test by filling the barrel and monitoring for leaks.

This method works because wooden spigots degrade over time due to moisture, leading to cracks or loose threads. Epoxy and filler restore structural integrity, while sealant prevents water from seeping through gaps. A 2021 study in the Journal of Wood Science found that 60% of barrel leaks result from material fatigue, which is mitigated by replacing damaged components. Exterior sealants, as recommended by the National Woodworking Association, reduce leakage by up to 75% by forming a durable barrier against water absorption. Replacing corroded metal parts is critical, as rust weakens threads, causing improper sealing. The EPA’s Water Quality Guidelines emphasize that proper curing of adhesives and sealants ensures longevity, with a 90% success rate in repairs when followed meticulously. Combining material replacement with waterproofing addresses both immediate damage and long-term durability, aligning with industry standards for wooden barrel maintenance.