Flowguard is a chlorinated polyvinyl chloride (CPVC) Hot and Cold Potable Water Distribution System designed for use in single and multi-family dwellings, apartments, high-rises, hotels and motels, and commercial settings. Flowguard is crafted from materials that restrict the spread of flames and reduce the amount of smoke produced during fires, making it an excellent choice for providing superior fire protection. FlowGuard has an LOI of 60, meaning it will not support combustion, spread flames,