Top 10 insulation materials Manufacturers and Supplier Brands

Friday, 06/20/2025
Discover the top 10 insulation materials manufacturers and supplier brands, including FUNAS, a global leader in rubber, rock wool, and glass wool insulation products. Explore their offerings and certifications.

Top 10 Insulation Materials Manufacturers and Supplier Brands in 2024

In the modern construction and industrial sectors, insulation materials are pivotal for improving energy efficiency and reducing environmental impact. Selecting the right manufacturer is essential for ensuring quality, certification compliance, and tailored solutions. This article highlights the top 10 insulation materials manufacturers and suppliers worldwide, focusing on product ranges, certifications, and industry applications.

1. FUNAS: Leading the Insulation Material Industry Since 2011

Founded in 2011, FUNAS is an integrated science and technology company specializing in research, production, sales, and service of insulation materials. Based in Guangzhou with a 10,000-square-meter storage center, FUNAS offers high-quality rubber and plastic insulation products alongside rock wool and glass wool materials. Their products serve industries such as petroleum, petrochemical, electric power, metallurgy, polysilicon, and refrigeration.

Certificates include CCC, CQC, CE, ROHS, CPR, UL, FM certifications, and ISO 9001 and ISO 14001 standards, reflecting their commitment to quality and sustainability. FUNAS also offers brand customization, making it a preferred choice for businesses requiring personalized insulation solutions.

2. Owens Corning

Owens Corning is a global leader with decades of experience producing fiberglass insulation products. Their comprehensive range includes residential, commercial, and industrial insulation solutions that promote energy savings and sustainability. Owens Corning's certifications include GREENGUARD and ENERGY STAR, which emphasize their environmental commitment.

3. ROCKWOOL Group

ROCKWOOL specializes in stone wool insulation and is renowned for high fire resistance, soundproofing, and thermal performance. Their products cater mainly to construction, industrial, marine, and acoustic applications. The company is recognized for leadership in environmental performance certifications.

4. Johns Manville

Johns Manville offers a full spectrum of insulation materials including fiberglass, mineral wool, spray foam, and polyiso products. Their solutions focus on energy efficiency and indoor air quality improvements, backed by a strong reputation in North America and globally.

5. Saint-Gobain Isover

Isover, part of Saint-Gobain, manufactures glass wool insulation materials prominent in residential and industrial sectors. Their products combine thermal efficiency, sustainability, and acoustic performance while adhering to international quality standards.

6. Knauf Insulation

Knauf provides diverse insulation products, including glass wool, rock wool, and polystyrene. Their emphasis on environmental responsibility is supported by reductions in carbon footprint and eco-friendly manufacturing processes.

7. Kingspan Group

Kingspan is known for advanced rigid insulation boards and complete building envelope solutions. Their innovations focus on high-performance thermal insulation for commercial and industrial buildings with LEED and BREEAM certifications.

8. Armacell

Armacell specializes in flexible insulation materials, particularly elastomeric foam insulation used in HVAC and refrigeration industries. Their products boast excellent thermal stability and durability.

9. URSA Insulation

URSA offers glass mineral wool and polystyrene products primarily for thermal and acoustic insulation in buildings. They emphasize recycled content and energy-efficient manufacturing.

10. Knauf Therm

Knauf Therm focuses on insulation materials suitable for facade systems, floors, and roofs, emphasizing versatility and sustainability. Their products meet rigorous European and global quality standards.

Comparison Table of Top 10 Insulation Manufacturers and Their Key Products

ManufacturerMain ProductsIndustry ApplicationsKey CertificationsCustomization Options
FUNASRubber & plastic insulation, Rock wool, Glass woolPetroleum, petrochemical, power, refrigerationCCC, CQC, CE, ROHS, CPR, UL, FM, ISO 9001, ISO 14001Yes
Owens CorningFiberglass insulationResidential, commercialGREENGUARD, ENERGY STARLimited
ROCKWOOL GroupStone wool insulationConstruction, industrial, marineISO, environmental certificationsLimited
Johns ManvilleFiberglass, mineral wool, spray foamResidential, commercialISO, various regionalYes
Saint-Gobain IsoverGlass wool insulationResidential, industrialISO, CELimited
Knauf InsulationGlass/rock wool, polystyreneBuilding & constructionISO, environmentalYes
Kingspan GroupRigid boards, building envelopesCommercial, industrialLEED, BREEAMYes
ArmacellElastomeric foam insulationHVAC, refrigerationISO, ULLimited
URSA InsulationGlass wool, polystyreneResidential, commercialISO, environmentalLimited
Knauf ThermFacade, floor, roof insulationBuilding & constructionISO, CEYes

Conclusion: Choosing the Right Insulation Materials Manufacturer

Choosing an insulation materials manufacturer requires balancing product quality, certification credentials, industry expertise, and customization capabilities. FUNAS stands out for its broad product portfolio, global certifications, and focus on innovation in rubber, plastic, rock wool, and glass wool insulation. Meanwhile, established global brands such as Owens Corning, ROCKWOOL, and Johns Manville offer proven product performance and sustainability commitments.

Whether your application is industrial, commercial, or residential, selecting a manufacturer recognized for quality and with strong customer service backing ensures long-term energy savings and safety. Evaluate your project requirements carefully with these top global insulation materials manufacturers and suppliers to achieve optimal insulation outcomes.

Commonly Asked Questions About Insulation Materials Manufacturers

What are the main types of insulation materials available?
The main types include fiberglass, rock wool (stone wool), glass wool, elastomeric foam, spray foam, and rigid insulation boards such as polyisocyanurate and polystyrene.

How important are certifications for insulation manufacturers?
Certifications such as ISO 9001, ISO 14001, CE, UL, and others ensure product quality, safety, environmental compliance, and performance standards, which are essential for trust and regulatory acceptance.

Can insulation materials be customized for specific industry applications?
Yes, many manufacturers including FUNAS offer customization services to tailor insulation properties, sizes, and branding to meet specific project or application requirements.

Which industries benefit the most from professional insulation materials?
Industries like petroleum, petrochemical, power generation, metallurgy, refrigeration, construction, and HVAC significantly benefit from advanced insulation materials for energy efficiency and process safety.

How to select an insulation materials supplier?
Evaluate product range, certifications, manufacturing capabilities, industry reputation, customer support, and whether they provide solutions aligned with your project's specific technical needs and sustainability goals.

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Question you may concern
service
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.

How does your technical support work?

Our technical support team is available to guide you through every stage of your project—from product selection and design to installation. We provide expert consultation to ensure that you get the best insulation solution for your needs and can assist with troubleshooting if needed.

FAQ
What is the typical delivery time for custom orders?

Our daily production capacity is 800 cubic meters. Delivery time varies depending on the complexity of the insulation material wholesale order, but we can deliver large quantities of customized products within 4-6 weeks after the approval date, and small quantities can be delivered within 15 days.

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.

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