Trenwyth Industries
Oldcastle
  architectural masonry units
Trenwyth Industries LEED
Acousta-Wal sound-absorbing masonry units Acousta-Wal sound-absorbing masonry units


Trenwyth Products Astra-Glaze-SW+®
Verastone®
Verastone® Plus
Trendstone®
Trendstone Plus®
Mesastone®
Acousta-Wal®
Monumental
Split Face
Mojavestone
NRG® Insulated Block



click to download an
Acousta-Wal Brochure


 ACOUSTA-WAL® Noise Reduction Coefficients

Size
Type
Surface
Frequency¬Hertz
NRC
125
250
500
1000
2000
4000
4"
I
Painted
.18
.82
.40
.35
.43
.36
.50
6"
I
Painted
.63
.80
.41
.40
.31
.51
.50
8"
IRF
Painted
.18
.82
.40
.35
.43
.36
.50
10"
IRF
Painted
.18
.82
.40
.35
.43
.36
.50
12"
IRF
Painted
.63
.80
.41
.40
.31
.51
.50
4"
IV
Painted
.21
.78
.97
.80
.68
.73
.80
6"
IV
Painted
.31
1.23
.71
.71
.65
.68
.85
8"
IVRF
Painted
.21
.78
.97
.80
.68
.73
.80
10"
IVRF
Painted
.21
.78
.97
.80
.68
.73
.80
12"
IVRF
Painted
.31
1.23
.71
.71
.65
.68
.85


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