metal oil seal
A ceiling access panel is a framed opening that provides entry to mechanical systems, ductwork, and other infrastructure concealed behind ceilings. These panels can vary in size, with large ceiling access panels typically measuring over two feet by two feet, making them suitable for substantial openings required for equipment maintenance and inspection. They are often made from materials such as metal or high-quality plastic, ensuring durability and longevity.
The sound-absorbing characteristics of mineral fiber ceiling boards are among their most significant benefits. These boards are designed to reduce noise levels in a space by absorbing sound waves, which limits echoes and reverberation. This makes them an ideal choice for areas such as classrooms, conference rooms, and healthcare facilities, where clear communication is essential. The Noise Reduction Coefficient (NRC) rating of these boards often falls between 0.5 to 0.9, indicating excellent sound absorption capabilities.