Damage Control: How to Identify Roof Rot on a Flat Roof

dry rot roof home roof damage

If you think you might have a problem with your flat roof, one of the first problems you should look to identify or potentially rule out is roof rot. It’s a common problem and one that needs to be dealt with at the earliest opportunity once it’s found. We’re going to talk today about how to identify the sure signs of a rotting roof on a flat roof and what you can do about it from there. If you already know you have rot you’ll need commercial roof repair A.S.A.P.

Signs of Roof Sagging

One of the first things you might notice you look at the ceiling from the inside, directly beneath where the roof is, you might see signs of sagging if the roof is rotting. The rot will eventually deteriorate the roof and this will lead to growing weakness, which very often manifests itself in the form of a sagging or bowing ceiling beneath the flat roof.

Water Streaks or Water Stains

Another thing you might notice if there’s water build-up that’s causing a rotting roof are water streaks or stains on the ceiling or the walls below the roof. This is obviously something that might seem easy to notice, but there’s actually a lot that can go missed if you’re not looking for the signs. Check regularly and there are unexpected streaks on the wall or ceiling, be sure to take action.

Mold on the Ceiling

If there’s mold on the ceiling or the walls below the roof, there are many things that might be causing this, and one of them is a rotting roof. If you notice a problem like this in combination with any of the other signs of roof rot mentioned here, it might be a sign that there is a rot problem emanating from your flat roof and it should be explored further.

A Smell of Mildew

Another thing you might notice is there’s dampness, even if it’s not visibly noticeable, is a smell of mildew. This is a tell-tale sign of mold, which might also suggest a rotting roof is occurring. So if you do notice a bad smell that makes you think mold is present, don’t ignore it.

What Can be Done about Damage?

When there is roof rot on your flat roof, it can be saved. There’s action that can be taken to reverse the situation and prevent it from occurring in the first place. But if you’re not certain whether roof rot is present or which steps need to be taken, it’s first of all vital to get expert support from commercial roofing professionals.

Arrange an Inspection with Western Pacific Roofing Services Today

If you’re not sure whether your flat roof is currently experiencing a case of roof rot and you want to get to the bottom of it, our roof rot repair team here at Western Pacific Roofing will be more than happy to assist you.

You can call us at 503 659 7663 if you’d like to arrange a roof inspection and then action can be taken from there.

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Western Pacific Roofing

COVID-19 Update:

We recognize that these are challenging times, filled with a high degree of uncertainty. In response, we wanted to let you know we have taken the steps to ensure the ability to inspect your roof, complete an estimate, and do our job while protecting you and our employees! In an effort to continue providing exceptional service for our customers we are still maintaining regular office hours as we have been deemed an essential business. Call by appointment only at this time.

Our main goal is to ensure the health of our customers, team and community members by following the Center for Disease Control (CDC) as well as our local health agency’s advice. In addition to the CDC guidelines, our team is taking the following precautions to prevent the spread of COVID-19:

  • Implementing a “No-Handshake Policy” for all staff. Our team encourages customers to follow suit and maintain social distancing.
  • Cleaning and disinfectant products are readily available to all team members.
  • To keep up to date on news and resources, you can visit www.coronavirus.gov.


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