In the Kingdom of Saudi Arabia metal pipe s of traditional materials such as galvanized steel and copper have been used for domestic hot and cold water distribution. However metal pipes have very serious disadvantages of corrosion and consequent costly replace-ments. To overcome this corrosion problem, CPVC plumbing pipe which has already been adopted in the USA, has been manufactured and introduced in Saudi Arabia by SAPPCO DAMMAM FACTORY Since 1988 .