My introduction into the art of leak detection in slab-based hydronic radiant heating systems was in our town's version of Levittown, N.Y., in an area called Fireside. Slab-on-grade homes with ½-in.

Water damage ranks as the third leading cause of homeowner loss, according to the Insurance Information Institute, and the third most expensive, with an average $10,234 claim, based on the trade group ...