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5 common sources of roof leaks

Cracked or worn flashing around plumbing pipes and flues are one of the most common leak sources on your roof, says Lindus. (Photo courtesy of Angie's List member David M. of Indianapolis)

Cracked or worn flashing around plumbing pipes and flues are one of the most common leak sources on your roof, says Lindus. (Photo courtesy of Angie's List member David M. of Indianapolis)

If your roof has started to leak, you should not underestimate the severity of damage it can cause to your home. If you are unsure of the magnitude of a leak in your roof, make sure to call your local professional contractor who will be able to give you a solution to your problem. 

Here are five reasons that your roof may be leaking.

1. Flashing

Flashing is the thin metal sheet, strip, angle or fitting that covers a seam or transition point in a roof. Flashing is the most common area of your roof to leak. It is easily damaged or corroded over time. The flashing on your home could also be poorly installed or of a lower quality than you thought you were having installed.

2. Skylights

Having skylights really adds ambiance and natural light to your home, but when not built or installed properly, they can cause more of a headache than bliss. 

If you have a skylight that is older, a problem with a leak is almost inevitable. If you notice that the downhill slope of your skylight is filling with water more easily, you will be dealing with a leak in the near future.

3. Shingle damage

Your roof most likely is not top of mind if it’s functioning properly, but you have to remember that your roof will not last forever.  How many years has it been since your roof was installed? 

Roofs that were built 30 years ago were made of much different and less durable materials than what is used today. Old shingles will start to crack, causing your roof to leak.

4. Chimney

Your chimney creates a huge hold in your roof and it also collects water on the surface, which can trickle down and get into the smallest cracks. The leading cause of chimney leaking is failed flashing. Water can pool at the base of your chimney and having pooling water on your roof is never a good thing.

5. Plumbing

Common plumbing issues arise when having to drill holes in your roof. Plumbing vent pipes, exhaust flues for appliances, attic vents and ventilation ducts are among the most common necessities that have to exit through your roof. Cracked or worn flashing around these pipes and flues are the most common leak source on your roof when it comes to plumbing.

About this Angie’s List Expert: Andy Lindus is the COO of Lindus Construction/Midwest LeafGuard, a multi-generational full service construction company in the Twin Cities area.  Established in 1979, Lindus Construction has grown from a two-person company located in western Wisconsin to a multi-state operation, receiving an Angie’s List Super Service Award in 2012. Follow this #ALExperts contributor on Twitter @LindusCon.

As of November 11, 2013, this service provider was highly rated on Angie's List. Ratings are subject to change based on consumer feedback, so check Angie's List for the most up-to-date reviews. The views expressed by this author do not necessarily reflect those of Angie's List.

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