E-Shots Past E-Shots Previous Edition No previous edition Next Edition Coming Soon Latest E-Shot A Tested Mitigation Layer Cover Board DensDeck Prime Roof Board is manufactured specifically for roofing applications, providing a resilient A1 classified* cover board layer that can help strengthen and protect the entire roof system. Its glass-mat-faced gypsum core delivers fire performance** along with compressive strength and resistance to challenging roof system conditions. Read the latest E-Shot Sign Up More Publications