Environmentally Friendly Asphalt Patch? Home › Forums › Paving Materials & Technique Forum › Environmentally Friendly Asphalt Patch? This topic has 0 replies, 1 voice, and was last updated 16 years, 1 month ago by admin. Viewing 1 post (of 1 total) Author Posts October 18, 2008 at 7:24 pm #5330 adminKeymaster Has anyone tried the new environmentally friendly asphalt patch from U.S. Cold Patch? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In