| Feature | PolyBoard 709A | Standard Gypsum Board | Fiber‑Cement Panel | |---------|----------------|-----------------------|--------------------| | Crack Resistance | ★★★★★ | ★★☆☆☆ | ★★★☆☆ | | Water Absorption | 0.2 % | 12 % | 3 % | | Impact Resistance | 150 J | 45 J | 80 J | | Fire Rating | A‑FL 90 | A‑FL 60 | A‑FL 75 | | Weight (per panel) | 28 kg | 23 kg | 34 kg | | Eco‑Score (recycled content) | 45 % | 10 % | 20 % |
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