Earthwool Insulation

Earthwool Insulation – High-Performance, Eco-Friendly Comfort for NZ Homes

Earthwool insulation is a next-generation glasswool product designed to deliver outstanding warmth, energy efficiency, and indoor comfort. Manufactured using advanced ECOSE® Technology, Earthwool contains no added formaldehyde and is made from recycled glass and natural binders. It is soft to touch, low-itch, low-dust, and safe to install in ceilings, walls, and underfloors. Earthwool provides long-lasting thermal performance and typically lasts 50+ years, maintaining its loft, R-value, and acoustic benefits over the life of your home.

Health Benefits

Earthwool is manufactured without harsh chemicals, making it a cleaner, safer option for families, asthma sufferers, and sensitive households. It produces significantly less dust than traditional glasswool and has extremely low VOC emissions, helping create healthier indoor air. It is also resistant to mould, mildew, and pests.

Sustainability

Made from up to 80% recycled glass, Earthwool is one of the most environmentally friendly insulation products available in New Zealand. Its ECOSE® binder is plant-based, biodegradable, and free from synthetic dyes or petrochemical additives, reducing environmental impact and supporting sustainable building practices.

Technical Performance

Earthwool delivers excellent thermal resistance, high acoustic absorption, and long-term stability. It won’t slump, break down, or absorb moisture, ensuring continuous thermal coverage and reliable energy savings. Its superior performance makes homes warmer, quieter, and more efficient year-round.