New Zealand presents one of the most challenging built environments in the world. High coastal exposure, extreme wind pressures, and intense rainfall demand building envelopes that go well beyond basic performance threshold. SNZ TS 4211 (Specification for performance of windows) establishes the benchmark for window and door structural safety and weather tightness across New Zealand.
Passing this standard is not a mere compliance exercise - it requires rigorous physical testing under simulated severe storm conditions. Achieving SNZ TS 4211 certification confirms that the window and door systems are engineered to withstand the harsh local conditions of the South Pacific, providing architects, builders, and homeowners with verified peace of mind.
SNZ TS 4211 is the official New Zealand Technical Specification governing the structural performance, air leakage, and water tightness of window assemblies.
To ensure complete objectivity and international compliance, CIVRO submitted three core product lines for full-scale physical testing carried out by Azuma Design - an accredited, NATA-recognized independent testing laboratory specializing in fenestration, building envelope, and acoustic performance.
Dual Standard Compliance: Our systems were simultaneously evaluated against SNZ TS 4211 (New Zealand) and AS 2047 (Australia), demonstrating cross-border engineering excellence.
Third-Party Verification: Testing by Azuma guarantees that all performance ratings - from wind load resistance to water penetration pressure—are backed by empirical laboratory data, not internal estimation.
SNZ TS 4211 is the official New Zealand Technical Specification governing the structural performance, air leakage, and water tightness of window assemblies.
To ensure complete objectivity and international compliance, CIVRO submitted three core product lines for full-scale physical testing carried out by Azuma Design - an accredited, NATA-recognized independent testing laboratory specializing in fenestration, building envelope, and acoustic performance.
Dual Standard Compliance: Our systems were simultaneously evaluated against SNZ TS 4211 (New Zealand) and AS 2047 (Australia), demonstrating cross-border engineering excellence.
Third-Party Verification: Testing by Azuma guarantees that all performance ratings - from wind load resistance to water penetration pressure—are backed by empirical laboratory data, not internal estimation.
| فئة | Figures Recorded | نتيجة | المعايير |
|---|---|---|---|
| Deflection of Structural Members | Positive - 2200Pa / Negative - 2200Pa | يمر | AS/NZS 4420.1 |
| اختبار قوة التشغيل | 135N / 100N | يمر | AS/NZS 4420.1 |
| اختبار تسرب الهواء | الصف الرابع | يمر | AS/NZS 4420.1 |
| اختبار مقاومة اختراق الماء | Positive - 700Pa | يمر | AS/NZS 4420.1 |
| اختبار القوة القصوى | Positive - 3300Pa / Negative - 3300Pa | يمر | AS/NZS 4420.1 |
| Torsion Rigidity Test | Inward deflection u2013 u2264 30 mm outward deflection u2013 u2264 30 mm | يمر | AS/NZS 4420.1 |
