Tubing creates fire risk in Minnesota homes built after 1989 - FOX 35 News Orlando

FIRE RISK: Gas tubing susceptible to lightning-related damage

Posted: Updated:
ST. PAUL, Minn. (KMSP) -

Do you live in a house built after 1989? Your pipes could pose a fire risk during severe weather season, according to the Minnesota fire marshal's office.

The Minnesota Department of Public Safety is urging Minnesotans with homes built after 1989 to check for corrugated stainless steel tubing. If not properly installed, the flexible piping can be damaged by nearby lightning strikes and start a fire.


Corrugated stainless steel tubing supplies natural gas and propane to homes and businesses. It usually has a yellow exterior plastic coating and should not be confused with natural gas appliance flexible connectors.


CSST typically is routed beneath, through or alongside floor joists in the basement, inside interior wall cavities and on top of ceiling joists in attics.


Fire marshal investigators have discovered the tubing in southeastern Minnesota and say it is likely in homes statewide.

"This tubing is in Minnesota homes, but the problem can be solved," State Fire Marshal Jerry Rosendahl said. "This is an electrical issue that can be fixed by a qualified and licensed professional."

If you find CSST after inspecting your home or business, you should contact a licensed electrician to determine if the tubing is properly installed. As of 2010, about six million homes in the United States had CSST.

Go to http://csstsafety.com for more information.

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