www.501.gregvan.com Click on this link if you’re interested in growing your construction business or making more money as a contractor. Watch this video to find out how to cut a cast iron plumbing pipe. The most important tip I could get anyone, while remodeling a bathroom or doing any plumbing repairs on an old house is to make sure, there isn’t any dirt around the pipe, while you’re cutting. Dirt will dull practically every saw blade, I can think of. For more interesting tips and ideas, visit the rest of our websites today.