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Poor Crawl Space Insulation

Damaged crawl space insulation is an incubator for mold and moisture. Professionals can help you replace insulation that’s damaging your crawl space.

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The insulation in your crawl space does a lot of work that you don’t necessarily see. Insulation, waterproof or not, can create a physical barrier between your home and the outdoors. It can catch any water that might otherwise make its way into your crawl space. 

Unfortunately, crawl space insulation that isn’t adequately protected from this kind of damage can rapidly start to fail. Water-damaged crawl space insulation won’t be able to keep your home as warm or watertight as it needs to be to remain stable. 

If you think you’re dealing with insulation damage in your crawl space, you’re not alone. The professionals serving Kansas City, Moberly, St. Louis, and Springfield, MO, can help you take back the health of your home. With a little bit of help, you can have your damaged insulation removed and replaced with more effective waterproof insulation. You can also talk to area professionals about any additional repairs your crawl space may need as well as the waterproofing measures that may stack well with your new insulation. 

Reasons for Insulation Issues in Your Crawl Space 

crawl space winter damage

Your crawl space can have insulation problems for a variety of reasons. If you want to get the most out of your crawl space, these are a few of the things to pay attention to. 

  • Open Crawl Space Vents 

Crawl space vents are a huge problem. Even though they were traditional for a long time, they’re just not effective. They allow in more moisture than they allow out. If you have open vents in your crawl space, you’re going to end up with overarching moisture problems, which can negatively impact your crawl space insulation’s ability to do its job. 

  • Crawl Space Door Issues 

Crawl spaces need some way to enter them, and that job is typically going to be filled by a door. If you have a crawl space door, you need to make sure that the door functions appropriately and that there’s a tight seal between the door and the crawl space. Otherwise, moisture can come in through the door and ruin your insulation. 

  • Water Seepage and Plumbing Leaks 

Plumbing leaks are an especially important thing to pay attention to in your crawl space because your plumbing pipes likely live in your crawl space. This means there’s a much larger possibility that you could end up with plumbing leaks that have a negative impact on your insulation. Check for plumbing problems overall and general water leakage issues. 

  • Issues With Drainage 

In general, you need to make sure that any water getting into your crawl space has an effective way of getting out. This isn’t always easy, but drainage processes can help your crawl space avoid problems. When you do have drainage, you need to make sure an expert comes in and ensures that it functions properly on a regular basis. 

Signs of Crawl Space Damage 

If you don’t make a point of visiting your crawl space on a regular basis, you may not be able to tell when it’s taken on unanticipated damage. Your insulation, however, serves a specific purpose in your crawl space. If temperatures around your home start to drop for seemingly no reason, or if your energy bills start to rise, you may be able to trace your new costs to failing insulation in your crawl space. 

Other symptoms of crawl space damage that can appear throughout your home include: 

  • Unpleasant smells 
  • Mold 
  • Sagging or buckling floors 
  • Standing water 
  • High levels of humidity 

Note that these symptoms can indicate water damage in your foundation just as readily as they can indicate some kind of crawl space failure. If you notice these symptoms in tandem, however, with dropping temperatures throughout your home or higher levels of humidity in your crawl space, you can trace the source of your problems to your insulation. When in doubt, reach out to the professionals in your area. After a thorough inspection of your home, they’ll have a better chance of identifying the source of your crawl space’s troubles. 

Repairing Damaged Insulation in Your Crawl Space 

You do not want to keep damaged insulation in your crawl space. The longer waterlogged insulation stays in that kind of space, the more likely it is that it will become a home for mold spores. Instead, if you believe your crawl space insulation has taken on damage, you need to reach out to the professional contractors serving Kansas City, Moberly, St. Louis, and Springfield, MO. You can inspect your crawl space together and determine the extent of the damage you’re dealing with.  

Before you start repairing insulation, you may need to do the following things: 

  • Remove existing low-quality insulation or insulation that no longer functions properly. 
  • Waterproof your crawl space to avoid continuing issues with water. 
  • Clean the area in and around your crawl space to remove any problems with mold or pests. 

Once you’ve done these things, you can replace the bad insulation with ExTremeBloc™, which is a much better replacement that can keep your insulation working well for years. Additionally, it’s a good idea to invest in crawl space encapsulation, which can equally maximize your insulation’s lifespan and keep your home safe overall.   

Poor Crawl Space Insulation


If the damage you’ve seen in your crawl space doesn’t seem too significant, you may be tempted to let it clear up on its own time. However, this means you probably don’t really know the issues that can arise when it comes to damaged insulation. 

Damage Worsening Over Time  

First and foremost, the longer you allow moisture to work against the integrity of your crawl space, the worse the damage is likely to become. For example, if you let standing water in your crawl space go unattended for a day, the most damage you’ll have to deal with is a damp floor and supports. If that water sits in your crawl space for weeks at a time, your crawl space can rapidly become an incubator for mold.  

This same logic applies to your crawl space insulation. If you haven’t installed waterproof insulation in your crawl space, then long-term exposure to moisture can cause it to wilt and rot. Your insulation will hold onto this moisture, causing more damage throughout your crawl space while also allowing mold spores to fester in its fiberglass. The sooner you’re able to remove this insulation, the better off your home is going to be.  

Home Value Impacts  

If you don’t feel like you’re in the financial position to fix a crawl space with damaged insulation, consider the financial ramifications of leaving the damaged insulation for long periods of time. Crawl space damage does more than make your home uncomfortable to live in. It can also actively lower the market value of your property.   

If you choose to sell your home, you’ll have to make note of your home’s damage in its market listing. 

Some buyers that might otherwise want to come out to your property may be less inclined to do so if they know they’ll have to repair your crawl space upon moving in. Even if you do get buyers out to your property, you risk losing up to 30 percent of your home’s market value if you fail to repair your crawl space. These buyers, after all, will want to be compensated for the work they’ll have to do to repair your property after they move in.  

Repairing damage that’s arisen in your crawl space isn’t always straightforward. Even if it appears like your insulation is bearing the brunt of the damage, there are likely other problems—cracks, leaks, maybe even failing structural supports—you’re going to have to worry about. With that in mind, it’s not always a good idea to try and repair or replace damaged insulation on your own. This kind of DIY work, if done incorrectly, can actually do more harm around your home than good.  

DIY Damage  

If you don’t have any experience repairing crawl space damage, DIY insulation removal can seem like a daunting task. To get started, you’re going to need safety materials to protect yourself from the worst of the damaged fiberglass. If you try to remove your insulation without gloves, eye protection, and a mask, you may end up dealing with injuries or respiratory issues in the days following your work.  

There’s also a chance you may make a mistake while removing and replacing your own damaged insulation. If you fail to remove all the damaged insulation, or if you don’t install your new insulation appropriately, then your crawl space won’t be adequately protected from additional damage. You’ll walk away from your DIY work thinking that you’ve protected your home when, in fact, you’ve either delayed or overlooked damage that will only worsen with time.  

The Cost of DIY Crawl Space and Insulation Repairs  

Many homeowners try to take on DIY crawl space repairs because they want to save money. Reaching out to professionals, after all, can seem like an expensive endeavor, especially when you’re not entirely sure what kind of damage you’re dealing with. Trying to pay for the materials and tools you need to replace crawl space insulation on your own, however, can be even more expensive than working with area professionals. This is especially the case if you have to purchase one-time-use tools that will just gather dust in the corners of your home.  

If you do happen to make a mistake while removing and replacing your insulation, too, then you’ll be looking at a litany of extra DIY costs. Not only will you have to replace the materials or tools you’ve damaged, but it’s possible that you may make the damage your crawl space is contending with worse. If you do eventually have to reach out to area professionals, it may cost you even more than you initially anticipated to repair the damage that’s cropped up in your crawl space.  

Repairing a crawl space with damaged insulation often involves more than just insulation removal and replacement. The professional contractors in your area can help you better understand why your crawl space took on damage and what you can do to restore the value of your home.  

The Damage Repairs  

First and foremost, the professionals serving Kansas City, Moberly, St. Louis, and Springfield, MO, can help you repair any damage that’s been done to your crawl space. In terms of insulation, this includes removing damaged insulation and replacing it with ExTremeBloc™, which is a more effective form of protection.  

More often than not, damaged crawl space insulation is also a symptom of a larger problem. You may have to contend with cracks near your crawl space’s joints or walls. Alternatively, your foundation may have started to shift, causing your crawl space’s structural supports to fall out of alignment. No matter what the problem with your crawl space is, you can trust area professionals to keep you in the loop during the repair process.  

Crawl Space Waterproofing and Other Fixes 

Professional contractors can also help you waterproof your crawl space after they’ve finished your repairs. Waterproof insulation, as mentioned, can replace the insulation you had removed from your home. This insulation is designed to create a chemical barrier around the whole of your crawl space, physically forcing moisture away from your home.  

You always have the option to stack waterproof insulation with other means of waterproofing your home. Vapor barriers and crawl space encapsulation can cover waterproof insulation and provide your crawl space with an additional layer of protection. Even drainage can help keep water from settling in your crawl space. If you’re not sure what kind of waterproofing measures might suit your home best, don’t hesitate to express your concerns to area professionals. You can sit down for a crawl space consultation and come away with a better understanding of what waterproofing measures your home may benefit from.  

Professionals Can Repair Your Home ASAP  

If you’re dealing with damaged insulation in your crawl space or another form of crawl space damage, don’t let it get the best of you. Instead, get in touch with the professional contractors serving Kansas City, Moberly, St. Louis, and Springfield, MO, for a free inspection and repair quote. During an inspection, professionals can let you know what kind of damage your crawl space may be facing, from cracks to foundation sinkage, and what kind of services they can offer to fix it. You’ll walk away from your initial consultation with a free quote noting what repairs and waterproofing measures may best suit your budget.

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Our Service Areas

Des Moines Location

2401 SE Creekview Dr.
Ankeny, IA 50021

Kansas City Location

7280 NW 87th Terrace, Suite C-210
Kansas City, MO 64153
(816) 774-1539

Lee's Summit Location

211 SE State Route 150
Lee's Summit, MO 64082
(816) 774-1539

Moberly Location

1401 US-24
Moberly, MO 65270
(660) 202-8662

Springfield Location
1820 N Barnes Ave
Springfield, MO 65803
(417) 612-8286
St. Louis Location

1625 Larkin Williams rd.
Fenton, MO 63026
(314) 207-9995