Four-Zero Duct
Staark Four-Zero ducting achieves the highest flame, smoke, droplets, and toxicity rating of “0000” under AS 4254.1, making it the safest choice for hospitals, schools, and sensitive environments. Combining high recycled-content polyester insulation with superior fire performance, Four-Zero provides peace of mind alongside efficient airflow.
- Polyester insulation with high recycled content
- Achieves "0000" safety rating under AS 4254.1
- Available R-values: R0.6 - R2.0
- Diameter sizes: 100 mm - 600 mm
- Non-irritant, installer-friendly design
- Recommended for hospitals, schools, and sensitive environments
- AS 4254.1 (AU/NZ), flame/smoke/droplets/toxicity rated “0000”
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Four-Zero Duct
Certified AS 4254.1 "0000" for maximum fire safety assurance.