best way to insulate copper pipes in a crawl space (michigan) Home › Forums › Public Forums › General Plumbing › best way to insulate copper pipes in a crawl space (michigan) This topic has 1 reply, 2 voices, and was last updated 17 years, 9 months ago by Retired plbg1. Viewing 1 reply thread Author Posts 11 Aug 2006 at 2:59 pm #277892 MasterPlumbersKeymaster I need to protect copper plumbing from freezing in the winter. The pipes are installed in a crawl space. need to protect from temperatures that go down to 10 below. Your recommendations? 12 Aug 2006 at 10:09 am #297328 Retired plbg1Participant Use a heat tape and extra heavy insulation for cold weather. Art retired plbg Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In