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Replacing cast iron pipes when they’ve reached the end of their life span is key to preventing leaks and clogs. Over time, cast iron pipes corrode and experience pipe scale, which thickens the inside of the walls and increases the chance of clogs while also decreasing water flow. As the material deteriorates, you could experience costly leaks that increase reparation expenses. 

Cast iron can last between 50 and 75 years, but it’s still a good idea to check for leaks as your pipes approach the 25-year mark, as pipes can already show signs of deterioration within the first three decades.

Frozen water doesn’t always cause a pipe to burst. Most of the time, a clog will simply prevent your sink from draining properly. Plastic and PVC pipes could warp to expand with the frozen water without rupturing. But as the cold weather progresses and more water or debris piles up in a frozen pipe, the risk of a burst pipe increases.

You might need a permit to modify or repair any portion of your plumbing system, including drainage lines, depending on where you live. In some areas, simple replacements of existing drain lines don’t require a permit. We recommend asking your drain pipe installer or your local building department about permitting requirements. In many cases, only certified plumbers can pull plumbing permits, so you’ll usually need to leave the permit application to your professional. The fee for the permit will be passed to you on your project bill, though.

Yes, a sprinkler system can leak even when it is turned off. This issue is often caused by a leaky valve, which may have a crack or hole that allows water to pass through. In many cases, repairing the valve will solve the problem. Another possibility is that water is simply finishing its draining cycle, which you might notice at the lowest sprinkler head as gravity pulls the remaining water out. More seriously, the leak could be due to improper grading of the system, which can lead to significant water waste. It's also possible that what appears to be a leak is actually just poor drainage in your yard. If you suspect a leak, it's a good idea to have a professional take a look to diagnose the exact cause.