Primacoustic’s Hercules impact-resistant panels begin with the same glass wool core used in Broadway panels, but the face of the panel is covered with a high-density fiberglass layer. This facing allows the panel to absorb most frequencies effectively, but it adds a protective layer that prevents damage due to accidental contact. This durable facing even allows the use of thumbtacks on the panel, making it suitable for office spaces or schools. The Hercules panels measure 24″x48″x2″ (60x120x5cm) and ship in a choice of beige or gray acoustically transparent fabric. Available in boxes of 6 panels.