DensDeck® StormX™ Prime Roof Board is durable and is approved for use in assemblies meeting FM Very Severe Hail (VSH) Classification. DensDeck® StormX™ Prime Roof Board is a reinforced gypsum panel with an enhanced moisture-resistant core and coated glass mat facers and through use of GP's patented EONIC™ Technology maintains a high level of moisture resistance.
DensDeck® StormX™ Prime Roof Board are classified by FM Global for VSH standards for impact resistance helping to reduce roof assembly storm damage.