The Symphony® m collection is a comprehensive line of coordinating, durable solutions with a consistent aesthetic, superior acoustic performance, design flexibility and environmental certifications. Symphony m ceiling panels are made of a unique mineral fiber blend that provides excellent acoustic performance, making them ideal for spaces where sound control is a priority, such as conference rooms, classrooms, and healthcare facilities. With an NRC (Noise Reduction Coefficient) rating of up to 0.85, these tiles can significantly reduce unwanted noise and echo, creating a more comfortable and productive environment. The product offering includes: - Symphony m 75: Excellent value & performance combination -Symphony m High CAC: Offers superior sound blocking, coupled with high sound absorption (NRC-0,80 / CAC-40-42) -Symphony m High NRC: Provides exceptional sound mitigation for areas that demand high acoustical performance -Symphony m Rx: Best suited for healthcare applications and clean room installations...See More In addition to their acoustic benefits, Symphony m ceiling panels offer exceptional light reflectance, which can help improve energy efficiency and reduce lighting costs. The tiles have a Light Reflectance (LR) rating of up to 0.90, which means they reflect more light and reduce the need for additional lighting fixtures. The Symphony collection is available in a range of sizes and edge details, including square lay-in and tegular edge options, making them easy to install and integrate with any ceiling system. The standard size offering is comprehensive, but custom sizes for unique installations is also an option. Symphony m is also a highly durable product line that is resistant to sagging, warping, and damage from moisture and mold. They feature a durable, painted veil that provides added strength and stability, making them ideal for high-traffic areas that require high-end aesthetics. Another benefit of Symphony m ceiling panels is their sustainability. They are made with up to 62% recycled content, and they have an EPD (Environmental Product Declaration), HPD (Health Product Declaration), Red List Free, USDA Certified Bio-Based Product, and made in the U.S.A., making them a smart choice for environmentally-conscious building owners and designers. Overall, CertainTeed's Symphony m mineral fiber ceiling tiles are a versatile and sustainable solution that offers exceptional acoustic performance, light reflectance, durability, and design flexibility. Whether you're looking to improve the acoustic quality of a conference room, reduce lighting costs in a commercial space, or create a more sustainable and comfortable environment, the Symphony m collection of ceiling panels are a smart investment that delivers long-lasting value. See Less