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Horrors You Can Find in Your Insulation

Horrors You Can Find in Your Insulation

October 17, 2019

problems in your insulation

With Halloween right around the corner, your to-do list probably involves putting up decorations, getting costumes for you or your kids and planning any Halloween parties. However, you should also make sure your to-do list includes any home maintenance necessary to prevent the true horrors that can sneak into your home. While home maintenance can include almost anything, we at DFW Thermal Solutions are talking specifically about insulation. Your insulation is a vital part of your home as it helps in maintaining the temperature throughout your house. However, insulation can be exposed to many dangers—to give you a better idea, here is a truly spooky list of horrors (and more common) problems in your insulation.


Pests such as rodents and house mice can be found in insulation, specifically in your attic. Often these pests can make their way into your attic and camp out there for a while because of any exposed insulation or packing supplies. These materials make for great nesting places for these critters. However, their presence can definitely deteriorate the quality of your insulation in addition to being a general burden on homeowners.

To prevent pests from getting into your insulation, consider using spray foam insulation. Unlike other insulation materials, spray foam insulation is not a food or shelter source for pests. When it is being applied, it resembles shaving cream and when it cures it becomes a hard, impenetrable barrier. Talk to insulation experts about whether spray foam insulation works for your home.


If you live in a particularly humid climate, moisture can easily be found in the corners of your home, especially in places such as the basement, attic and roof. It can also make its way into your insulation and cause mold and mildew as well as ruin the quality of your insulation. Excess moisture content should especially be worrying when cellulose insulation (blown-in paper material) is exposed to it. Cellulose insulation is usually treated to be inflammable and anti-mold but if it becomes wet, it will lose these abilities.

To prevent excess moisture in your insulation or anywhere in your home, try to keep your house as well-ventilated as possible by using exhaust fans. In addition, open a window occasionally to increase ventilation. Also, choose insulation that is right for your climate—talk to an expert about your options. 


Mold growth is usually a result of excess moisture or humidity. With enough moisture and nutrients, mold can often thrive and reproduce through airborne spores. Being exposed to these mold spores can often be harmful, especially to those who are susceptible to allergies, have weaker immune systems or asthma. Mold growth can also cause problems in your insulation and make it far less effective than it is supposed to be. However, there are plenty of ways you can prevent mold growth in your insulation:

  • Keep indoor humidity between 30-50 percent. Use a dehumidifier if you need to because this appliance can be helpful to have in more humid climates
  • Replace wall-to-wall carpeting with area rugs as they retain less humidity
  • Use vapor barriers to prevent insulation from trapping moisture
  • Consider spray foam insulation or cellulose insulation

Prevent Insulation Horrors with DFW Thermal

If you want to learn more about the horrors and other common problems in your insulation and how you can prevent them, get in touch with the pros at DFW Thermal Solutions. Give us a call at 214-731-3115 or schedule an appointment with us on our website!