Construction Specifier

SEPTEMBER 8, 2023

Photo by Halkin Mason Photography/courtesy Rockfon. First, they are primarily used to add sound absorption high in the room where it is most effective (A in Figure 1). Third, along with the floor slab, ceilings can provide sound isolation from rooms on the floor above (C in Figure 1). Illustrations courtesy Rockfon.

Office 67

Office Zoning Equipment Design 67

Construction Specifier

APRIL 30, 2021

Images courtesy Rockfon. Figure 1: Following the baseline test of just the concrete floor slab (metal deck flutes visible through open parts of ceiling) a standard, metal, tee-bar, suspension grid, and ceiling panels were installed (in process). by Gary Madaras, PhD. earn a minimum ceiling attenuation class (CAC) rating of 35.

Guidelines 98

Guidelines IRS IIC Concrete 98

Construction Specifier

SEPTEMBER 1, 2021

Photo by Robert Pepple, Pepple Photography/courtesy of Rockfon. NRC generally varies between 0 (no absorption) and 1 (very high absorption) and is the average of the sound absorption coefficients at four frequency ranges, the 250, 500, 1000 and 2000 hertz (Hz) octave bands. courtesy Rockfon. By Diana Hart, CSI, IIDA.

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Certification Guidelines Materials Products 52

Construction Specifier

SEPTEMBER 16, 2022

Photos courtesy Rockfon. 1 A suspended acoustic ceiling is typically the only element between the noise-generating devices in the plenum and the people in the room below. Figure 1 shows how a bright light in the plenum and darkness in the room below reveals just how many noise leaks there can be.

Equipment 52

Equipment Materials Guidelines AIA 52

Construction Specifier

AUGUST 31, 2021

Photo by Robert Pepple, Pepple Photography/courtesy of Rockfon. NRC generally varies between 0 (no absorption) and 1 (very high absorption) and is the average of the sound absorption coefficients at four frequency ranges, the 250, 500, 1000 and 2000 hertz (Hz) octave bands. by Diana Hart, CSI, IIDA.

Design 52

Design Certification Materials CSI 52

Construction Specifier

NOVEMBER 4, 2020

Images courtesy Rockfon. Figure 1: Ceiling panels with NRC ratings ranging from 0.60 by Gary Madaras, PhD. Photo © www.michaelocallahan.com. The pandemic of 2019-20 has made the world a far different place. Few built environments are as critical to get right as the healthcare facilities designed, built, and renovated today.

Environment 52

Environment Materials Design Insurance 52

Construction Specifier

NOVEMBER 30, 2021

Photos courtesy Rockfon. For example , Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools, Part 1: Permanent Schools by ANSI and the Acoustical Society of America ( ANSI/ASA S12.60 ) only uses maximum reverberation time. By Gary Madaras, PhD. A core learning space less than 283.20 seconds.

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Guidelines Green Design Overhead 98