Encapsulated Acoustical Pads

Acoustical Mount- Material Description ing 125 250 500 1000 2000 4000 NRC Test # 1” x 1# 16 g. Steel E-400 0.84 0.81 0.82 0.87 0.75 0.61 .80 RAL Poly 10% Perf A91-43 1-1/2” x 3/4# 16 g. Steel E-400 0.90 0.79 0.84 0.86 0.74 0.64 .80 RAL Poly 10% Perf A91-44 2” x 2# .032 Alum E-400 0.94 0.99 0.91 1.06 1.06 1.06 1.00 Cedar Knolls Duct liner 45% Perf 8090.2 2” x 2# .032 Alum E-400 0.89 0.99 0.97 1.07 1.05 0.91 1.00 Cedar Knolls PVC 45% Perf 8090.7 2” x 1-1/2# .032 Alum E-400 0.91 0.91 0.94 1.09 1.06 0.94 1.00 Cedar Knolls PVC 45% Perf 8090.4 1. Mounting: (a) E-400 Ceiling Mount is 14” depth; (b) “A” Mounting is directly against structural wall with no air space: (c) D-100 (100mm) utilizes a 4” air space behind fiberglass. 2. All test for Sound Absorption are in accordance with ASTM C-423-99a. Actual installed values may vary depending upon many variables, such as type of construction and humidity. Encapsulated Pads behind Metal Ceilings Acoustical Mount- Material Description ing 125 250 500 1000 2000 4000 NRC Test # 2” x 2# .032 Alum A 0.18 0.86 1.16 1.13 1.00 0.79 1.05 JM Tech Ctr PVC 13% Perf A01-116-1 2” x 2# Cor. Metal D-100 0.57 1.10 1.11 1.07 1.02 0.89 1.10 JM Tech Ctr PVC 13% Perf A01-116-7 2” x 1.5# .032 Alum D-100 0.32 0.94 1.36 1.20 1.04 0.86 1.15 RAL PVC 13% Perf A90-193 2” x 2.5# Metal Mesh D-100 0.51 1.13 1.17 1.17 1.09 0.98 1.15 JM Tech Ctr PVC 40% Open A2002-017 2” x 1.7# Metal Mesh D-100 0.75 1.03 1.14 1.12 1.07 1.00 1.10 JM Tech Ctr PVC 40% Open A2002-133-1 Encapsulated Pads behind Metal Wall Panels Oct a ve Band Center Frequency, Hz Oct a ve Band Center Frequency, Hz FIBERGLASS ENCAPSULATED PADS Standard Standard Standard Maximum Standard Maximum Standard Acoustical Thickness Density Widths Widths Length Length Facings Range 1/2 - 6” 3/4 - 7# 12, 18, 72” 2, 4’ 10’ - PVC Poly .55 - 1.15 24, 36, 48” 25’ - Poly PVC PVF CMA 030 01/04