Church Acoustic Treatment Effective church acoustic treatment in Texas requires strategic absorption panels on rear walls and ceilings (40-60% coverage), drum shields and stage barriers for source control, HVAC noise reduction through duct wrapping and isolation, and ceiling clouds positioned over congregation areas. All materials must be Class A fire-rated and humidity-resistant to reduce reverberation time from the typical 2.5-4 seconds down to an optimal 0.8-1.5 seconds wh