For more help with this issue, see musty smells and hidden leak signs, slab leak emergencies, our emergency leak detection overview, and attic leak emergencies.
Burst Pipe Flooding The Crawlspace
A split supply line under the house can discharge hundreds of gallons into the enclosed space before anyone notices — the first sign is often just a sound or a smell. We shut the flow down, then trace the failed section acoustically for a targeted repair.