Earthwool® R-3.5 Ceiling Insulation
Overview
Earthwool® R-3.5 Ceiling Insulation offers efficient energy-saving properties, helping you keep your home cool in summer and warm in winter. Made using up to 80% recycled glass, it’s soft to handle and comes in pre-cut rectangles at either 430mm or 580mm widths to suit most ceiling joist centres.
The Earthwool® Ceiling Insulation Batt range includes a selection of R-values, giving builders, designers, installers, and DIYers the flexibility to choose the best thermal performance for their project.
Installing Earthwool® Ceiling Insulation Batts improves both thermal comfort and energy efficiency, ensuring a more comfortable living environment year-round.
Features & Benefits
- TwinTech® Technology – Smooth finish on both sides for easier handling and improved appearance.
- High Thermal Performance – Provides year-round comfort.
- Sound Absorbing – Reduces noise transmission.
- Non-Combustible – Enhances fire safety.
- Energy Saving – Lowers energy bills.
- No Added Formaldehyde – Healthier indoor environment.
- Soft to Handle & Install – Comfortable and easy to use.
- Compression Packed – More product per pack for easier transport and storage.
- Odourless – Clean and pleasant to work with.
Technical Specifications
Thermal Performance:
- Complies with AS/NZS 4859.1 (2018)
Fire Hazard Properties (AS/NZS 1530.3):
- Ignitability: 0
- Spread of Flame: 0
- Heat Evolved: 0
- Smoke Developed: 0–1
Other Properties:
Water Vapour Absorption: Less than 5% by weight
Microbial Growth: Does not support microbial growth
Corrosion Resistance: No greater than sterile cotton
Combustibility (AS 1530.1): Non-combustible
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