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What's the Difference Between Mold & Mildew?

When you hear someone bring up the topic of mold, the word ‘mildew’ is soon to follow. But, are they the same thing? As a homeowner, do you know the difference between mold and mildew?

It’s true that these two fungi hang out together and have quite a few similar properties. Both mold and mildew are common to homes—especially those that have damp or wet spaces for the fungi to breed. However, they’re not the same and cannot be treated as such.

Here, we’ll discuss two major differences between mold and mildew—and what to do if your home is riddled with fungi after major water damage.

How Mold Grows v. How Mildew Grows

How does mold grow? Where does it grow? Does mildew grow differently? Let’s start by answering the mildew question. Yes, mildew grows differently—and can only breed in dark, damp areas without much circulation. Because it’s a surface-level fungus, mildew doesn’t have the ability to penetrate deep into materials—mold does. Mold can penetrate the surface of almost any material and it grows well in a variety of conditions, so it’s easier to recognize.

When you can see mold growth on your drywall or ceilings, you’ll want to go deeper. Visible mold could mean a deeper problem underneath the surface.  

Appearance: How Mold & Mildew Look Different

When assessing your home after water damage, it’s important to look for signs of mold and mildew growth—but you’ll need to be able to identify which is occurring. Mold and mildew look similar, yet different. Because they appear together so often, mildew and mold can often be mistaken for the other. To tell the difference, mold most often appears blue, brown, or grey. Sometimes, mold can appear black—this is the most deadly and should be removed by a professional ASAP. Mildew, on the other hand, appears as a white or grey fluffy substance.

Don’t Risk It—Call 970 Services for Mold Removal Near Denver, CO

Have a mold problem? Need assistance? Don’t wait to deal with mold removal—call a professional. At 970 Services, we understand disaster. Our team is always professional, attentive, and willing to go the distance for any and all of our clients in Northern Colorado. As the area’s #1 mold removal and water restoration company, we’re always on your side.

If you are ever faced with a mold problem, leak, flood, or natural disaster, remember to call a local, trusted home restoration company (like us!) first. Need assistance ASAP? Give us a call now at (970) 888-0970 or contact us online for a free estimate.

Located in Loveland, CO, we also offer home restoration service and mold and mildew removal in the following areas: Fort Collins, Loveland, Ault, Greeley, Denver, Windsor, Boulder, Longmont, and throughout Northern Colorado.

970 Services in Loveland
102 S. Saint Louis Ave., Loveland, CO 80537
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  • I can’t recommend 970 Services enough! We had extensive hail damage & Andrew Golding came out & was so kind, grace filled & helpful. We had a hard time dealing with insurance & they partnered with me on the process making the roof replacement the easiest part of our hail damage experience. A++ you can’t go wrong! I absolutely would hire them again in a heartbeat.

    G. Lynn Avatar G. Lynn
    September 20, 2023
  • We are very pleased with 970 Services work and their customer service. Our roof was damaged from hail and needed to be replaced. Aaron worked with our insurance supplemental team and ensured we got the full amount that was owed to us. He also made sure the work was done correctly on our roof with a post inspection. Very professional and friendly. Thank you 970 Services for all your help! Definitely recommend!

    Ryan Singleton Avatar Ryan Singleton
    September 19, 2023
  • Steve and his crew have done several projects at our house (water remediation, painting, plumbing, minor electrical, etc.), and I would use them again in a heartbeat. They are professional, responsive, and do top quality work. Their detailed estimates show where every penny goes, and they let you know if something needs to change. It's a great feeling to know that I can reach out to Steve if there's a problem, and he'll find a way to solve it.

    Crystal Phillips Avatar Crystal Phillips
    August 23, 2023
  • We had a water leak from our hot water heater and our insurance company recommended 970 Services. I cannot tell you how great they were. Steve scheduled us quickly, did a very thorough inspection of damages, set up drying equipment and got things headed in the right direction. He then coordinated all necessary sub contractors for drywall, flooring, and even requested to be present when the insurance adjuster arrived so that they couldn’t skimp on us. This is the company you want to work with and I will never call anyone else! Thank you Steve & 970!

    Kyle Taylor Avatar Kyle Taylor
    April 11, 2023
  • WOW is the best word to describe our experience with this company and it’s employee’s! Talk about having integrity in what you do!!😃 The professionalism, attention to detail, craftsmanship and personable interactions blew my husband and me away. We have had plenty of not so good experiences and this company has restored our faith to trust a precessional to not only do their job well but to go above and beyond expectations. I’ve referred them to my family and friends and would refer them to any stranger. Thank you guys for taking such good care of our home! C. Rhamy

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    June 9, 2022

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