One night, while inspecting a fresh shipment, Leo noticed something impossible. Under the harsh glow of his flashlight, a hairline fracture spider-webbed across the surface of a 709A panel.
While 709A is UV‑stabilised, we recommend it for shaded outdoor or semi‑exposed applications . For full exposure, pair with a protective overcoat. polyboard 709a crack extra quality
No. The impact‑modifying layer absorbs shocks up to 7 kJ/m², and the cross‑linked core prevents crack propagation even under point loads. One night, while inspecting a fresh shipment, Leo
