The thermogram (left) clearly shows a leaking bedroom ceiling. The leak was assumed by the owner to originate in an upstairs marble-paneled bathroom in the $3 million home. The estimated cost to rip out and replace the marble to access the plumbing was estimated at $80,000! Further IR investigation absolved the bathroom and traced the source of the leak to a clogged weep hole under the threshold of a door leading to an upstairs porch.
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