Pipes Burst in Severe Cold Despite Precautions

Plumbers have been getting calls to fix frozen a burst water pipes in homes where the homeowners thought they were doing the right thing, by letting the water flow slowly from the faucets to keep it moving. Trouble is with such cold weather, an exposed pipe in an unheated crawlspace can build up ice inside the pipe over time until it is frozen solid, even when water inside is moving.