installing access panel in ceiling
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One of the benefits of mineral fiber ceiling tiles is that they are heavier and denser than the ones made of fiberglass. Because of this feature they are much better at impeding sound travelling from room to room. This feature allows these panels to excel in higher frequency environments. Mineral fiber ceiling tiles will generally have a higher ceiling attenuation class (CAC) and a lower noise reduction coefficient (NRC).
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1. Purpose of the Access Panel The intended use of the access panel is the most crucial factor when determining size. For instance, routine inspections of HVAC systems may require larger panels, while minor electrical inspections could be adequately serviced by smaller panels.
standard ceiling access panel size

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