Put Down That Mold Killing Primer!

Posted: September 20, 2021
Category: Mold

That  tell-tale black stain indicates a mold problem.

But will a mold killing primer do the trick?


Of all the surprises you might encounter when doing a home renovation or disaster cleanup, few things are more concerning than mold.

In addition to the noxious smell (and the dingy stain it leaves behind), you’re probably concerned for your family’s health and safety…and rightfully so! You know you can’t just leave it there, so you do what any reasonable homeowner would do: slap a coat of mold killing primer or mold resistant paint over it.

Here’s why that’s a bad idea.


What Is Mold Killing Primer?

There are a number of products at the hardware store that are designed to combat or prevent the growth of mold and mildew. The problem is that they’re not all created equal…and most homeowners don’t know the difference.

Mold fighting products come in a wide range of formats, types, and uses, but they can be broken down into three basic categories.

Not all products labeled "mold killing" are designed to kill mold.

Products like Concrobium sprays and Decon 30 are used to destroy mold on the cellular level and are used by professional mold damage restoration companies. These types of products will prevent the mold from returning or spreading, but will not improve your home’s cosmetic appearance.

Once the mold growth has been treated, you can use a mold-resistant primer and paint to cover the stains left behind.

Many people confuse “mold-resistant” with “mold-killing” but they are not the same thing. Mold-resistant primers create a slick surface that makes it difficult for mold and mildew to grow on top of them, but will do nothing to any mold that lies beneath the surface.

For example, KILZ® Mold & Mildew Primer will not kill mold and its instructions say to remove any existing mold before applying.

There is one mold killing primer on the market that does claim to kill mold, but this does not mean it is a valid option for DIY mold restoration.


Does Mold Killing Primer Work?

Zinsser® Mold Killing Primer does claim to kill mold and mildew. The problem is that the average homeowner does not have the proper knowledge, training, or experience to use them correctly.

For example, mold killing primers should not be used on porous surfaces, such as drywall. Due to the microscopic texture of drywall, you will not be able to apply the primer in such a way that it comes into contact with all of the mold spores.

What is mold-killing primer?

If even a single spore is left untreated and uncovered, it can grow into an entirely new colony and you will have to start all over again. And if the mold is growing behind (or inside of) the drywall, it will be able to spread completely unchecked.

As a professional damage restoration company, we see firsthand what can go wrong when mold and water intrusion aren’t properly treated. While mold killing primers can be effective, your best bet is to get rid of the mold by cutting out affected areas in a completely contained location.


Getting Rid of Mold

Mold is notoriously pervasive and can pose a hazard to your health, which is why you should never attempt to treat or remove mold yourself.

Professional restoration companies have the training, knowledge, experience, and equipment needed to protect themselves and prevent mold spores from spreading during the removal process.

In order to properly treat and remove mold, the affected area must first be sealed off with plastic sheeting and tape. Think of this like a biohazard suit for your home. If you do this step incorrectly and the tape becomes unsealed, your entire house is now “infected” with mold.

Next, you must have a series of air scrubbers, both in and out of the sealed area.

Mold removal expert

Lastly, anyone who will be handling the moldy materials must have the proper attire, including long sleeves/pants, gloves, safety goggles, and a respirator.

Very few homeowners have this type of equipment laying around (much less the know-how required to use it!). If you notice a mold colony taking up residence in your home, don’t try to do it yourself, even with a mold killing primer. Leave that to the pros.


Take Mold Seriously!

Mold’s ability to damage your home and cause a plethora of health issues means that you should take immediate action whenever you discover it. But removing mold is an extensive process that homeowners lack the time, energy, and experience to complete correctly.

If you notice mold inside your home, call a mold remediation company to determine the extent and severity of the infestation. The professionals will be able to tell if there is an underlying moisture issue that is contributing to the mold growth as well as remove it effectively.

As a full-service damage restoration company, Axel Works has the knowledge, experience, and training to handle the biggest disasters life can throw at you.

From structural damage to reconstruction, we are ready to tackle any stage of disaster. We’re available 24/7/365 and can be at most locations within a couple of hours. Call today to get started.

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