Product Overview
Polyester Wool Insulation is a non-toxic, non-irritant, and highly durable thermal and acoustic insulation solution ideal for New Zealand homes, schools, and commercial buildings. Manufactured from recycled PET plastic (commonly plastic bottles), this insulation is safe to handle without gloves or protective gear — making it particularly popular in DIY and green-certified building projects.
Key Features & Benefits
Safe to Handle
Completely fibre-free, itch-free, and hypoallergenic — unlike glass wool, it doesn't require protective clothing during installation.
Fire Safety
Achieves a Group 1-S fire rating under NZBC when tested to ISO 9705. Suitable for ceilings, walls, and underfloor installations in residential and commercial buildings.
Thermal Efficiency
Provides competitive R-values (R1.8 to R3.6 depending on thickness and density), helping reduce heating and cooling loads.
Acoustic Performance
High NRC (Noise Reduction Coefficient) values — up to NRC 0.9 — ideal for wall and ceiling cavities, bedrooms, offices, and sound-sensitive areas.
Moisture & Pest Resistance
Will not absorb moisture, and does not support mould or mildew growth. Resistant to pest nesting.
Environmentally Friendly
Made from up to 85% recycled PET and is itself fully recyclable. Recognised under Green Star and Homestar building schemes.
Common Applications
Ceiling and wall cavities (residential, commercial)
Underfloor insulation in timber-framed houses
Acoustic wall panels in schools, meeting rooms, studios
Eco-friendly construction projects
New Zealand Market Relevance
Recommended by sustainable building programs including Homestar and Green Star.
For health-sensitive installations (e.g., schools, aged care, asthma-friendly homes).
Especially suited to retrofit and DIY installations due to its safety and ease of use.