Thermal Insulation

What is Thermal Insulation?

Thermal insulation is the process of limiting heat transfer between indoor and outdoor spaces. It helps maintain comfortable interior temperatures by preventing unwanted heat gain in summer and heat loss in winter. Effective insulation is a key factor in sustainable building design, offering long-term performance, energy savings, and enhanced occupant comfort.

Key Performance Parameters

R-Value

Higher R-values indicate better resistance to heat flow and improved energy efficiency

Fire Resistance

Materials are treated to meet fire safety standards, protecting lives and structures.

Thermal Stability

Ensures stable insulation in varying climates for long-term energy efficiency.

Density

Impacts both insulation performance and structural strength depending on application.

Moisture Resistance

Minimizes water absorption, ensuring durability and performance in humid conditions.

Thermal Conductivity (λ)

Lower thermal conductivity means reduced heat transfer essential for insulation effectiveness.

Uses of Coir-Based Thermal Insulation Solutions

Roof & Ceiling

Reduces heat ingress, keeping interiors cooler in hot climates and reducing air conditioning loads.
Wall Cavities

Installed inside walls to maintain stable indoor temperatures and improve thermal comfort.
Flooring

Acts as a barrier between the ground and floor, enhancing warmth and energy savings in colder areas.
Attics & Lofts

Lightweight coir panels are ideal for regulating temperature in attic spaces year-round.
Industrial & Prefab Structures

Provides reliable thermal protection for modular buildings, containers, and equipment enclosures.

Technical Specification

Property	Unit	Typical Value/Range	Notes
Thermal Conductivity	W/m·K	0.041 – 1.393	Varies by form, thickness, and composite type
Heat Transfer Rate	W	80.52 – 134.21	Depends on insulation thickness
Density	kg/m³	65 – 1350	Higher density increases conductivity
Thermal Resistance (R-value)	m²·K/W	2.52	At 65 kg/m³, 0.08 m thickness
Thickness	m	0.005 – 0.015	Typical tested range
Moisture Resistance	-	Good	Maintains insulation in humid environments
Lignin Content	%	41 – 45	Adds durability and rot resistance
Cellulose Content	%	36 – 43	Natural fiber component
Mechanical Strength (Toughness)	MPa	21.5	High among natural fibers

Why Choose Coir for Thermal Insulation?

Eco-Friendly

Biodegradable insulation made from coconut husk for green buildings.

Fire-Resistant

Flame-retardant coconut fiber insulation for safe, sustainable building solutions.

Moisture Resistant

Moisture-resistant insulation that prevents mold and improves air quality.

Durable & Lightweight

Lightweight and durable insulation that’s easy to install and transport.

Why Choose Coir for Thermal Insulation?

Eco-Friendly

Crafted from renewable coconut husk fibers, our insulation is biodegradable and eco-friendly offering a sustainable solution that minimizes environmental impact while delivering superior performance for modern green buildings.

Fire-Resistant

Engineered for safety, our coconut fiber insulation is treated to meet flame-retardant standards, making it a reliable choice for both residential and commercial applications without compromising on sustainability.

Moisture & Mold Resistant

Naturally breathable and moisture-resistant, our coconut fiber insulation helps prevent mold growth while enhancing indoor air quality creating a healthier, more comfortable environment for homes, offices, and commercial spaces.

Durable & Lightweight

Lightweight yet durable, our coconut fiber insulation is easy to handle, install, and transport ensuring efficient construction without sacrificing structural strength, long-term performance, or environmental responsibility.

Ready to Build with Smarter Insulation?

Connect with us to discover how EVA Fiberz’s coir insulation enhances sustainable building performance.

Natural Performance

Coconut fiber regulates temperature and resists moisture, making it an effective, reliable, and sustainable thermal insulation material.

Eco-Friendly Choice

A biodegradable, renewable alternative to synthetics—coir insulation supports green building while maintaining thermal efficiency and indoor comfort.

Coconut Fiber Thermal Insulation

Coconut fiber, or coir, is revolutionizing the insulation industry with its natural ability to regulate temperature, resist moisture, and reduce environmental impact. Extracted from the husk of coconuts, this renewable resource offers a sustainable alternative to synthetic insulation materials. With excellent thermal resistance, durability, and biodegradability, coconut fiber insulation is an ideal choice for eco-conscious construction—balancing performance with planet-friendly innovation.

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Key Benefits of Coconut Fiber Insulation

Thermal Performance

With a thermal conductivity range of just 0.04 to 0.0522 W/m·K, coconut fiber naturally resists heat flow. It helps regulate indoor temperatures by minimizing heat transfer, keeping interiors cooler in hot weather and warmer in cold climates.

Superior R-Value

Coconut fiber delivers a comparatively high R-value, meaning it effectively slows down heat movement. When installed correctly, it performs competitively with many conventional materials—offering excellent thermal resistance with the added benefit of sustainability.

Built-in Moisture Resistance

Thanks to its natural structure, coconut fiber is resistant to moisture—a key factor that helps maintain insulation efficiency even in humid or wet conditions. Unlike many synthetic materials, coir doesn’t degrade easily when exposed to moisture.

Eco-Friendly by Nature

Made from the husk of coconuts, this insulation material is 100% biodegradable and renewable. Choosing coconut fiber supports sustainable building practices and reduces environmental impact compared to petroleum-based insulators.

Applications of Coconut Fiber Acoustics

Versatile Installation Options

Eva Insulation offers coconut fiber in loose-fill, mat, and board formats, making it ideal for various installation scenarios—from wall cavities to roofing panels and subflooring in both residential and commercial structures.

Energy Efficiency Boost

By significantly reducing cooling and heating loads, coconut fiber insulation can cut energy consumption and improve indoor comfort—especially in tropical regions where temperature control is a daily challenge.

Ideal for Green Buildings

Coconut fiber in composite panels boosts insulation performance and reduces carbon footprints, making it ideal for eco-conscious architects pursuing sustainable design and green building certifications.

The Natural Choice for Smart Insulation

Coconut fiber isn’t just a natural material—it’s a smart solution for the future of construction. At Eva Insulation, we continue to innovate and refine coconut-based products that outperform expectations while preserving the environment.