Abby M.

Blog Author Abby M -Luke Roofing does what is promised and on time! Expert Orange County roof repair and roof craftsmanship at affordable prices.
5 minutes reading time (946 words)

Moldy Roof - What to Do...

Moldy Roof - What to Do...

The state of your roof can tell you a lot about your home, in general. Water stains may mean that you have backed-up gutters, for instance. And a roof that is waving or denting in places may have storm damage or underlying structural issues. One other thing your roof can tell you about: mold.

Mold under the roof is a less common issue in SoCal than in wetter areas of the country, but that doesn’t mean it never happens. After all, it only takes a little water damage for mold to crop up in otherwise sheltered areas.

So what should you look for to tell if there’s mold happening on or just under your roof? And when should you call an Orange County roofing contractor to take care of the problem? Here’s what you need to know about finding, dealing with, and preventing mold on your roof.

Signs to Look For

First, it’s always important as a homeowner to know what signs to look for as a problem might arise. When it comes to mold in or around your roof, you might notice actual visible stains and streaks that seem to spread on your roof, for instance. If your roof is poorly ventilated, mold can actually grow on top of the roof or just under the shingles, causing discoloration that seems to get worse as time goes by.

It’s more likely, though, that mold signs will be visible inside your home. For instance, you might notice cracked or peeling paint on your ceilings, or even water stains coming through to the ceilings. If you notice signs like these, you either have recent water damage or, potentially, mold.

Also, you should always be on the lookout for worrying physical symptoms in yourself, your children, or your pets. Symptoms of mold reaction can be subtle, and may look like cold, flu, or seasonal allergy symptoms to begin with. But if you notice family members who have increased respiratory issues, itchy skin, runny nose, sneezing, coughing, or sore throat on an ongoing basis, it’s a good idea to look for mold. Other mold exposure symptoms include rashes, headaches, or chest tightness.

If these symptoms are ongoing and out of the ordinary, you’ll want to talk to a doctor, of course. But you may also want to talk to an Orange County roofing contractor who can thoroughly check the top of your home for mold. This is especially true if you notice these symptoms in connection with other physical signs of mold around or outside of your home.

Dealing with Mold on Your Roof

When it comes to dealing with mold on your roof, it’s really best left to the professionals. Mold and mildew growth on the outside of your roof, such as between your tiles, is less likely to cause serious health problems for your family. However, you’ll want to have contractors take care of this unsightly problem before it does further damage to the roofing underlayment.

Usually, contractors will clean the roof thoroughly if exterior mold is the problem. They may use a bleach solution to kill the mold growth, and they may need to replace some of the more affected tiles or shingles, if necessary.

Mold growing under the roof can be a larger problem to deal with, and you may need to talk with a contractor who specializes in mold remediation.

Mold growing in the attic may be harmless cosmetic mold that can be scrubbed off or even left alone. But if the mold variety is potentially hazardous, you’ll have to decide whether to clean it up or actually replace the roofing underlayment.

Replacing underlayment is a costly venture, but could be more efficient than trying to scrub mold off of the wood, treat it, and then keep mold from coming back. Again, though, this is a question for an experienced contractor, and you’ll need to have them come to your home to scope out the problem in order to get a feel for this particular issue.

If you do decide to replace the underlayment, be sure to find out what was likely the cause of the mold growth in the first place. Take steps to prevent such an expensive issue from cropping up again in the future!

Preventing Mold on Your Roof

Preventing mold on and under your roof comes down to two things: design and maintenance.

Design is important because you’ll want to be sure that your attic has enough ventilation. Lack of ventilation traps humid air near the roofing underlayment, which can encourage mold growth. But too much ventilation can also be a bad thing for the health of your home, in general. This is why it’s important to consult with a professional when deciding on the layout of your roof and its ventilation system.

Maintenance is also important. The major cause of mold in and under roofs is leaks, which are often caused by lack of proper maintenance. If your roof isn’t maintained properly, it’s more likely to crack and have leaks, which can, in turn, allow for mold growth.

It’s important to have your roof inspected regularly by an Orange County roofing contractor who can catch small problems before they turn into major issues. During regular inspections, you may find minor issues that the contractors can fix quickly, thus preventing underlayment damage and costly mold problems down the road.

If you have any questions, be sure to reach out to Luke Roofing. A long-established Orange County roofer in Villa Park and surrounding areas, we provide prompt, reliable expertise for every residential roofing need and situation. Wherever and whenever you need roofing services in OC, you definitely can count on Luke Roofing.

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Comments 1

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Bob P. on Tuesday, 09 January 2018 01:47

Here we are in the middle of winter again and that means mold on my tile roof again. It's really frustrating and I really wish there was an easy solution. I will say that I was really glad to read that mold on roof tops does not typically pose health risks.

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Here we are in the middle of winter again and that means mold on my tile roof again. It's really frustrating and I really wish there was an easy solution. I will say that I was really glad to read that mold on roof tops does not typically pose health risks.