As demand for eco-friendly building materials rises, our Low-Carbon Acoustic Insulation Collection offers innovative solutions that combine sound insulation with low environmental impact.
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Featuring grass-based panels, bio-based mats, carbon-negative straw boards, cork, eelgrass, and recycled PET, each material minimises carbon footprints while providing high-performance sound absorption. Ideal for noise reduction in modern interiors, these products support responsible design without compromising on quality.

Whether aiming to improve air quality, enhance acoustics, or lower environmental impact, this collection provides an easy way to select materials that make a positive difference.
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1. Amorim Cork Insulation, S.A.: Expanded Insulation Corkboard (ICB)
Cork is a versatile and resilient material. Its honeycomb structure is filled with gases, providing excellent thermal and acoustic insulation. Naturally waterproof and able to sequester carbon dioxide from the atmosphere as it grows, cork is ideal for applications in the construction sector, including flooring, wall coverings, and insulation boards. The Resilient Acoustic Underscreed U36 by Amorim Cork Composites has a Global Warming Potential (GWP) of 3.230, net fresh water usage of 0.04, and an energy mix of 52.41 per square metre, making it a strong choice for eco-sensitive building projects seeking effective sound insulation with minimal environmental impact.
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2. Gramitherm: Grass-based Insulation
Gramitherm offers eco-friendly, high-performance insulation solutions made from grass. With strong thermal capacity, the boards provide effective protection against both cold and heat, while also absorbing sound. Ready-made for installation and easy to handle, they fully utilise all components of the grass. By capturing 1.5 kg of CO₂ for every 1 kg of product, Gramitherm promotes a greener approach to building. The Gramitherm® 100 panel has a Global Warming Potential (GWP) of 3.289, net fresh water usage of 0.01, and an energy mix of 47.74 per square metre, reinforcing its role as an efficient, eco-sensitive insulation choice.

3. SAPPA Panels GmbH: Acoustic Hemp Panels
SAPPA Panels specialises in acoustic solutions with their SAPPA Acoustic Panels. These panels provide exceptional sound insulation, ideal for noise-sensitive spaces. SAPPA’s products focus on reducing environmental impact without sacrificing performance. Using natural materials, SAPPA contributes to healthier indoor environments that align with eco-conscious building practices.

4. Søuld: Eelgrass Acoustic Mats
Søuld uses locally sourced, recyclable eelgrass as a base for their acoustic insulation panels. Eelgrass’s fibrous structure effectively traps sound waves, reducing noise levels and improving comfort. Non-toxic and a CO₂ sink, eelgrass also supports humidity regulation and offers high fire resistance. Søuld’s Acoustic Mats have a Global Warming Potential (GWP) of 0.760 per kilogram, with an energy mix of 61.47, and meet fire classification standards of C - s1, d1, making them a robust choice for creating healthier, low-impact indoor environments.

5. Ekopanely: Carbon-Negative Straw Boards
From the Czech Republic, EKOPANELY’s BOARD E40 has an impressive negative GWP of -68.006, sequestering more carbon than emitted during production. With excellent energy efficiency and low water usage, these straw boards contribute to low-impact building design. EKOPANELY’s materials also meet fire resistance standards, ensuring both environmental and safety benefits.

6. Impact Acoustic: Cotton, Felt, and Textile Insulation
Impact Acoustic offers a range of high-performance acoustic materials, including ARCHISONIC® Cotton, Felt, and Textile. Made from recycled PET and other eco-conscious resources, these materials provide effective sound insulation while meeting environmental standards. The ARCHISONIC® Felt, for example, has a Global Warming Potential (GWP) of 1.045, net fresh water usage of 3.36, and an energy mix of 3.77 per square metre. Versatile in application, Impact Acoustic’s products enhance sound quality with minimal environmental footprint.

7. Mogu: Bio-based Acoustic Panels
Mogu offers acoustic and decorative solutions with their PLUMA and Acoustic Panels, combining natural aesthetics with eco-conscious design. Crafted from bio-based materials, Mogu's panels are lightweight and versatile, ideal for enhancing acoustic comfort in interiors. Their innovative process focuses on reducing environmental impact while supporting nature-inspired interior solutions.

8. Modulina AB: Straw Panels
Modulina’s Straw Panels provide a natural, resource-efficient insulation option crafted from straw. Designed for both thermal and acoustic applications, these panels support a low-impact approach to building while offering practical sound absorption. Though specific GWP and water use data are not available, Modulina’s products align with responsible design practices, bringing a durable and renewable material into the modern construction landscape.

9. Mykor: MykoFoam Insulation
Mykor’s MykoFoam is an innovative bio-based insulation material designed for modern construction needs. Created from mycelium, this foam provides excellent thermal and acoustic insulation properties, while being both lightweight and eco-conscious. Although specific environmental metrics like GWP are not provided, MykoFoam offers a promising solution for low-impact design, combining natural material innovation with practical building applications.

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How revalu Collections Support Professionals in the Built Environment
revalu Collections are designed to assist architects, engineers, and other professionals in choosing low-impact building materials. By curating innovative products based on responsible design trends, revalu simplifies the search for eco-friendly options that help reduce a project’s carbon footprint. Whether you’re seeking materials with minimal environmental impact or looking to improve indoor air quality, revalu collections offer a valuable resource for modern, responsible building.
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Discover More Low-Impact Solutions
Explore the Low-Carbon Acoustic Insulation Collection and other pioneering materials on our platform today. Stay ahead with solutions driving the future of low-impact construction. Click here to explore the full range of materials and take a step toward building a greener tomorrow.