Insulating copper pipes


Old 12-07-03, 10:41 AM
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Question Insulating copper pipes

I have an unheated basement/garage and I want to insulate the exposed copper pipes with precut, high-density foam insulation. After placing the foam around the pipes, I planned on using standard duct tape to secure the foam in place. However, I have several roles of foil HVAC tape at my disposal and thought about using them instead. Is there any problem with using foil HVAC tape in this type of application? I am mainly concerned with the foil tape having an adverse reaction with the copper. Thanks for your help.

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Old 12-07-03, 12:47 PM
Join Date: Nov 2001
Location: USA
Posts: 1,873
What you are referring to is "Galvonic Action". It does not apply in your application.
Old 12-10-03, 07:39 PM
Dave_D1945's Avatar
Join Date: Dec 2003
Location: Bay Area, CA
Posts: 1,178
Absolutely go with the foil tape. Duck tape is wonderous stuff, but it ain't intended to be permanent. It will eventually dry out, get brittle and come off.

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