Definition of the term Copper Pipe Types

Type K has the heaviest or thickest wall and is generally used underground. It has a green stripe. Type L has a medium wall thickness and is most commonly used for water service and for general interior water piping. It has a blue stripe. Type M has a thin wall and many codes permit its use in general water piping installation. It has a red stripe.

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About the Home Inspector
Dan Joandrea

- I have been working in the home remodeling / construction industry for over 11 years. I have decided to open a home inspection company to help real estate home buyers to make an informed decision before making their biggest investment of their life. The home inspection is a very important step when purchasing a home.