Polybutylene (PB) pipe is a gray plastic tubing that was commonly used as water-supply plumbing pipe in the years between 1 at which time it was discontinued due to reports of pipes rupturing and causing water damage. It was inexpensive and offered plenty of advantages over other materials, such as flexibility, ease of installation, resistance to freezing. When polybutylene pipe reacts with the oxidants in tap water, it becomes fragile, occasionally scaling or flaking. POLYBUTYLENE PIPE - m The reason that polybutylene pipe is such a big deal is due to the huge damage losses from ruptured pipes. Ultimately the pipe will start to leak, causing water damage.
Designed for quick and simple installation, the SharkBite Polybutylene Transition Coupling is a pipe fitting that creates an easy repiping from polybutylene pipe to PEX, copper, or CPVC pipe. This is a very common issue in many parts of the country.

This in the fracturing of the indoor surface area of the pipe, which permits even more degeneration.
