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Trinity St. Andrews United Church - Renfrew, Ontario, Canada

• Church built in 1989
• City Population - 6,000
• Church seating capacity - 800 people
• Church height at peak - 52 feet
• Church width (average) 145 feet
• Church length (Average) 96 feet
• Total wall space was 14,460 square feet
• All walls were 5/8th drywall with 1/2 plaster added (The plaster - which was not needed - cost $140,000)
• Floors are concrete exposed under pews - Carpet in the Isles only - Alter area is Wood on concrete
• Major complaints - people not understand speech, music was always very muddy sounding.

Facts Before Acoustical treatment

• RT60 average 3.8 seconds
• RT60 at 125 hertz 4.5 seconds
• RT60 at 200 hertz 5.6 seconds
• RT60 at 2000 hertz 2.4 seconds
• Intelligibility Score -% loss - 21% (or 21 out of every 100 words not heard or misunderstood.)
• Typical Sunday attendance 400 people

Facts After Acoustical treatment

• RT60 average 1.8 seconds
• RT60 at 125 hertz 1.7 seconds
• RT60 at 200 hertz 2.01 seconds
• RT60 at 2000 hertz 1.6 seconds
• Intelligibility Score -% loss - 9% (or 9 out of every 100 words not heard or misunderstood.)
• Panels Used - PPD - 2 x 4 feet is size
• Number of units - 91
• Total Surface area Covered 728 square feet or 5.2% of the available wall space
• Panels were only mounted on the back wall
• Total Cost of the fix including installation $19,000.00 +tax
• Typical Sunday attendance 8 months after Acoustical Treatment - 2 services of 500 people

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For Direct Assistance you can Contact Joseph De Buglio Direct