Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
IB420
Original description
CertainTeed IB420 unfaced fiberglass board, bonded with thermosetting resin
ISO 354 – reverberation chamber· 3 variants
αp per ISO 11654
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| Compare | Value | |
|---|---|---|
| 3 inch | αw0.93 | |
| 1 1/2 inch | αw0.74 | |
| 1 inch | αw0.73 |
Weight / density: 1.10 lb/ft²
Dimensions: 24 x 48 inches
Distance: 0
