Can I use PEX pipe outside? PEX pipe is not approved for outdoor applications and is not approved for continuous UV exposure. PEX pipe should not be stored in direct sunlight.
Will PEX freeze outside?
Due to its flexibility, PEX has a small margin of expansion under the damaging pressure caused by ice formation. If the weather gets cold enough, PEX pipes can and will freeze like any plumbing. However, PEX may be less likely to rupture as a result of freezing.
How long will PEX last outside?
Fact: The life span of PEX tubing can vary based on frequency of use, water quality and water temperature and has an average life expectancy of 40-50 years. Some factors, such as exposing tubing to sun or water temperatures beyond tested levels, can significantly damage tubing and reduce its life span.