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Advantages of eco insulation

There are numerous reasons to pick natural materials over the fibreglass alternatives including:

Hypoallergenic

Air purification

Non toxic 

Irritant free

Moisture and Mould resistance 

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Hemp and wool insulation are significantly healthier alternatives to glass fibre, especially for people with sensitivities, respiratory issues, or a focus on indoor air quality. While they may come at a higher upfront cost, their benefits for occupant health and long-term comfort can outweigh the difference.

Health Benefits of Hemp Insulation

Hemp insulation is made from the natural fibres of the hemp plant. Its benefits include:

  1. Non-Toxic and Irritant-Free:

    • No skin, eye, or respiratory irritation during handling (unlike fibreglass, which releases tiny glass particles).

    • No formaldehyde or VOCs (volatile organic compounds) commonly found in some glass fibre binders.

  2. Hypoallergenic:

    • Low risk of allergic reactions.

    • Suitable for those with sensitivities to synthetic materials or chemicals.

  3. Moisture Regulation and Mould Resistance:

    • Naturally breathable and hygroscopic (absorbs and releases moisture), which reduces mould and mildew risk.

    • This contributes to healthier indoor air quality and better humidity control.

  4. Pest-Resistant:

    • Hemp naturally resists pests, and most products are treated with non-toxic pest deterrents.

​Health Benefits of Wool Insulation

Wool insulation, typically made from sheep’s wool, offers unique advantages:

  1. Natural Air Purifier:

    • Wool absorbs indoor pollutants like formaldehyde, NOx, and SO₂, permanently bonding with them.

    • This can significantly improve indoor air quality.

  2. Thermo- and Humidity-Regulating:

    • Like hemp, wool regulates humidity by absorbing moisture without compromising insulation performance.

    • Keeps indoor environments more stable and healthy.

  3. Safe to Handle:

    • No protective clothing needed during installation.

    • No skin, eye, or lung irritation.

  4. Naturally Fire-Resistant:

    • Wool doesn’t ignite easily and doesn’t release toxic fumes when it does.

​Potential health Risks of Glass Fibre Insulation

While effective at thermal insulation, fibreglass has notable downsides:

  1. Skin and Respiratory Irritation:

    • Tiny glass fibres can cause severe itching and respiratory issues.

    • Requires protective gear during installation.

  2. Potential Carcinogen Concerns:

    • Older or low-quality fibreglass products may release respirable fibres classified as possible carcinogens.

  3. Chemical Off-Gassing:

    • Some fibreglass batts are bonded with formaldehyde-based resins, releasing VOCs.

  4. Poor Moisture Management:

    • Can trap moisture, leading to mould growth and degrading indoor air quality over time.

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