Thermal Conductivity of Fiberglass Insulation: Key Facts You Need to Know
Discover the essential facts about the thermal conductivity of insulation fiberglass with FUNAS. Our comprehensive guide delves into the efficiency and benefits of fiberglass insulation, helping you make informed choices for energy-saving solutions. Trust FUNAS for expert insights and superior quality insulation products to enhance your building's thermal performance.
Introduction
What Is the K Value of Fiberglass Insulation?

Is Fiberglass a Good Thermal Conductor?
What Is the Thermal Conductivity of Rockwool Insulation?

What Insulation Has the Best Thermal Conductivity?
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Aerogel: The material with one of the lowest k-values (0.013 W/m·K), offering exceptional thermal resistance but at a high cost.
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Polyurethane foam: Often used in spray foam insulation, with a k-value of around 0.02 W/m·K, making it a very efficient thermal insulator.
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Cellulose insulation: Made from recycled paper products, cellulose has a k-value ranging from 0.035 to 0.045 W/m·K, similar to Rockwool.
Conclusion
FAQs
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How does fiberglass insulation compare to foam insulation in terms of thermal conductivity?
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Can fiberglass insulation be used in high-temperature areas?
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What are the advantages of fiberglass insulation besides its thermal conductivity?
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How do I choose the best insulation for my home?
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What factors affect the thermal conductivity of fiberglass insulation?

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We offer reliable logistics services for insulation material wholesale, both domestically and internationally. Our team ensures secure packaging, timely shipping, and real-time tracking so that your order reaches you in perfect condition and on schedule.
What types of rubber foam insulation products do you offer?
We offer a wide range of rubber foam insulation products, including custom shapes and sizes, thermal and acoustic insulation solutions, and options with specialized coatings such as flame retardancy and water resistance. Our products are suitable for applications in HVAC, automotive, construction, and more.
FAQ
Can your insulation products be customized?
Yes, we offer customized solutions for insulation material wholesale to meet the specifications of your project, including custom specifications, sizes, foils and adhesives, colors, etc.
What types of rubber foam insulation do you offer?
We offer a wide range of rubber foam insulation with different thicknesses and specifications. Thermal insulation material manufacturer FUNAS sleeves and sheets are suitable for different application scenarios.
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