Akustik dB Finder
Wooden Ceiling
Wooden ceiling filled with sand - Original
Date : 23/04/2022
| Ln,w(CI) | IIC | Rw(C,Ctr) | STC |
|---|---|---|---|
| 69(-3) | 41 | 47(-,-) | 47 |
| N° | Composant | Matériau | Hauteur | Largeur | Poids |
|---|---|---|---|---|---|
| 1 | Floorboards screwed | Wood | 24 mm | -- | -- |
| 2 | Section wooden beams | Wood | 220 mm | 160 mm | -- |
| 3 | Sand | Sand | 80 mm | -- | -- |
| 4 | Slide-in boards filled with fill | Wood | 24 mm | -- | -- |
| 5 | Formwork with air | Wood | 18 mm | -- | -- |
| 6 | Reed mats with clay plaster | Plaster | 20 mm | -- | -- |
