Home improvement How to Drill Through Floor Joists diy projects ⋅ July 8, 2019 You can safely drill joists for electrical and plumbing runs without weakening the joists, if you follow the rules. Bookmark(0) Please login to bookmark Username or Email Address Password Remember Me No account yet? Register Do you have 10 seconds? Show this DIY to your friends and fans. Report Content To report this post you need to login first. No comments Leave a Reply Cancel replyYou must be logged in to post a comment.