Copper pipe pin holes Home › Forums › Archives › Old Bulletin Board Archives › Copper pipe pin holes This topic has 0 replies, 1 voice, and was last updated 21 years, 7 months ago by mike.kopp. Viewing 0 reply threads Author Posts 26 Jun 1999 at 1:02 am #282084 mike.kopp I have a 10 year old house and the last two years I keep getting pin hole leaks. I am wondering why? Is it due to inferior pipe or poor installation? Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.