Fiberglass Insulation Problems: Things To Watch Out For
Fiberglass insulation problems are important to consider, even though the material is widely used due to its affordability and availability. While fiberglass can be effective in specific situations, it also presents several limitations that may impact comfort, efficiency, and indoor air quality.
Homeowners are encouraged to explore all insulation options to determine the most suitable solution for their home’s needs. In this Ascend Construction article, you will find an overview of common challenges associated with fiberglass insulation.
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Common Issues With Fiberglass Insulation In Colorado
Contents
- Common Issues With Fiberglass Insulation In Colorado
- When to Replace Fiberglass Insulation
- Fiberglass vs. Modern Insulation Alternatives
- The Importance of Professional Insulation Installation in Fort Collins
- Fiberglass Insulation Problems: Common Questions
- What Are Some Health Risks of Long-Term Exposure to Fiberglass?
- Can Fiberglass Insulation Be Recycled?
- How Does Fiberglass Compare to Spray Foam in Terms of Longevity?
- What Maintenance Does Fiberglass Insulation Require?
- Is Fiberglass Insulation Fire-Resistant?
- Can You Add New Insulation Over Existing Fiberglass?
- Conclusion
- Trust Ascend Construction for Professional Insulation Services in Fort Collins, CO
Below we discuss some of the issues that arise with fiberglass insulation.
Fiberglass Insulation Causes Irritation
Fiberglass is composed of fine glass fibers that can become airborne during handling. These particles may settle on surfaces or become inhaled, potentially causing skin, eye, or respiratory irritation.
To minimize exposure and ensure safe installation, it is advisable to hire trained professionals equipped with the proper protective gear and procedures.
Air Passes Through Fiberglass Insulation
Even when properly installed, fiberglass insulation may allow air to pass through its porous structure. In colder climates, like Colorado, this can result in noticeable drafts and uneven indoor temperatures, especially in areas with incomplete air sealing. This air movement can increase energy use, as heating systems work harder to maintain comfort.
In such cases, materials with better air sealing properties, such as spray foam, may offer improved performance.
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Fiberglass Batt Insulation Catches Impurities
Because air can flow through fiberglass insulation, it may trap airborne particles such as dust, pollen, mold spores, and other allergens. Over time, these can build up within the insulation. If disturbed, they may reenter the indoor air, potentially affecting indoor air quality. Households with individuals sensitive to allergens may benefit from exploring insulation options that are more resistant to particle retention.
Fiberglass Insulation Performs Poorly When Wet
Fiberglass insulation can lose thermal performance when it becomes wet. This can occur due to exterior leaks, indoor humidity, or flooding. If left unaddressed, moisture issues can lead to long-term damage and diminished insulation effectiveness.
For homes in areas prone to moisture exposure, insulation materials that resist water absorption may provide better long-term value and durability.
Pests & Fiberglass Insulating Materials
Small wall or attic gaps may allow rodents and insects to access fiberglass insulation. Pests can disrupt the insulation by nesting or burrowing into it, which can reduce coverage and create cold spots. Additionally, pest activity may introduce unpleasant odors or health concerns. In affected areas, damaged insulation may need to be removed and replaced with more pest-resistant alternatives.
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Fiberglass Insulation Has Low R-Value
Fiberglass insulation typically provides an R-value of 2.2 to 4.3 per inch, which may not be sufficient in regions with extreme temperatures. Colorado homeowners seeking higher energy efficiency may consider upgrading to materials with higher thermal resistance, such as spray foam, which can provide R-values of 6 or more per inch. A higher R-value can help improve indoor comfort and reduce long-term energy expenses.
Fiberglass Batt Installation is Hard
Although fiberglass is often marketed as DIY-friendly, achieving optimal performance requires careful installation. Batt insulation must be cut precisely to fit cavities without gaps or compression, which can be challenging without experience. Incorrect installation can significantly reduce its effectiveness.
For best results, professional insulation installation is recommended to ensure consistent coverage and energy efficiency.
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When to Replace Fiberglass Insulation
Fiberglass insulation does not last forever, especially if it has been compromised by moisture, pest activity, or physical damage. Over time, it can settle, sag, or degrade, reducing its ability to insulate effectively.
Signs that it may be time to replace include persistent drafts, rising energy bills, musty odors, or visible wear and tear in attics or crawl spaces. If the insulation feels damp, is visibly dirty, or no longer fills the cavity uniformly, professional assessment is recommended.
Upgrading to newer materials may provide better thermal protection and indoor air quality benefits.
Fiberglass vs. Modern Insulation Alternatives
While fiberglass remains a common choice, newer insulation materials offer enhanced benefits for today’s homes. Spray foam insulation, for example, delivers superior air sealing and higher R-values per inch, making it a strong candidate for energy efficiency.
Cellulose insulation, often made from recycled content, offers excellent soundproofing and fire resistance. Mineral wool, on the other hand, is both water- and fire-resistant while offering higher density for thermal performance.
These alternatives may have higher upfront costs but often result in long-term savings and improved comfort. Consulting with an insulation expert can help determine the most effective solution based on your home’s design and climate zone.
A Smarter Approach to Insulation: Let Ascend Construction help you choose and install the right insulation for lasting home performance. Contact us now!
The Importance of Professional Insulation Installation in Fort Collins
Even the best insulation can fall short if it’s not installed properly. Gaps, poor air sealing, or compression can reduce performance and lead to higher energy costs. That’s why professional installation is key.
Ascend Construction brings the experience and attention to detail needed to ensure your insulation works as intended. From selecting the right material to sealing every gap, expert installation helps maximize comfort, efficiency, and long-term value.
Fiberglass Insulation Problems: Common Questions
What Are Some Health Risks of Long-Term Exposure to Fiberglass?
Long-term exposure to fiberglass particles can lead to persistent skin irritation, eye discomfort, and respiratory issues. Over time, inhaling airborne fibers may cause coughing or throat irritation. For individuals with asthma or other respiratory conditions, these symptoms can be more severe. That’s why proper handling, protective gear, and professional installation are critical when dealing with fiberglass insulation.
Can Fiberglass Insulation Be Recycled?
Yes, fiberglass insulation can be recycled, but the process is complex and not always available in every area. Some manufacturers accept used fiberglass for reprocessing into new insulation products. However, contaminants such as dust, moisture damage, or pests can render it unsuitable for recycling. Always check with local recycling centers or insulation contractors for options in your area.
How Does Fiberglass Compare to Spray Foam in Terms of Longevity?
Fiberglass typically lasts around 20 to 30 years if kept dry and undisturbed. However, spray foam can last even longer, often 80 years or more, because it adheres to surfaces, resists water, and doesn’t sag or degrade easily. The longevity of either material depends heavily on the quality of installation and the environmental conditions in your home.
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What Maintenance Does Fiberglass Insulation Require?
Unlike HVAC systems, insulation isn’t something you routinely maintain, but it should be inspected periodically, especially after storms, plumbing leaks, or pest infestations. Signs that fiberglass may need attention include uneven indoor temperatures, rising energy bills, musty odors, or visible damage in attics or crawl spaces. Damaged insulation should be replaced promptly.
Is Fiberglass Insulation Fire-Resistant?
Fiberglass itself is naturally non-combustible and resists fire up to a point. However, paper or foil backings used in some batt products can ignite if exposed to high temperatures or direct flame. It’s important to check the fire rating of the specific product used and follow all local building codes for safe installation, especially around wiring and heat sources.
Can You Add New Insulation Over Existing Fiberglass?
In many cases, yes. Adding a second layer of insulation over existing fiberglass is a common way to improve thermal resistance, especially in attics. However, it’s important to ensure the original insulation is dry, clean, and evenly distributed before layering. Combining fiberglass with another type, like blown-in cellulose or spray foam, may also be possible with professional guidance.
Conclusion
While fiberglass insulation remains a widely used material, it’s important for homeowners to understand the potential drawbacks it can present over time. Issues such as air leakage, moisture absorption, allergen buildup, and pest vulnerability can reduce its effectiveness and impact indoor comfort and air quality. In some cases, these problems may also lead to higher energy consumption and increased utility costs.
If your home’s insulation is underperforming or showing signs of damage, it may be worth exploring modern alternatives like spray foam, cellulose, or mineral wool. These options often provide better air sealing, moisture resistance, and thermal performance.
Consulting with an experienced insulation professional can help you assess your current system and determine the best path forward. A thoughtful approach to insulation can improve comfort, efficiency, and long-term value.
Professional Insulation You Can Count On: From removal to installation, Ascend Construction ensures quality results every step of the way. Call today for trusted service!
Trust Ascend Construction for Professional Insulation Services in Fort Collins, CO
When it comes to insulation and air sealing, experience and precision matter. With a variety of materials and methods available, working with a proven contractor ensures you get the best results for your home and budget.
Ascend Construction is a leading provider of insulation services in Fort Collins and the neighboring area, offering expert removal and installation, air sealing, whole-house fan installations, energy audits, and customized energy efficiency solutions. Our knowledgeable team is committed to helping homeowners enhance comfort, reduce energy costs, and increase long-term property value.
Count on Ascend Construction for skilled workmanship, honest recommendations, and solutions that last. Contact us today to take the next step toward a better-insulated, more energy-efficient home.
Contact Ascend Construction for a consultation today. We can provide you with practical solutions to address the problem areas in your Colorado home. All of our services are affordable, and our work is guaranteed. Click here to contact us, or click the button below to give Ascend Construction a call. We offer no-obligation, in-home consultations.
Ascend Construction
4115 County Road 19
Fort Collins, CO, 80524
(970) 420-5495
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