| Room use | Wall coverage |
|---|---|
| Living room | 10–15% |
| Office or classroom | 15–25% |
| Conference room | 20–30% |
| Home theater | 25–40% |
| Studio control room | 30–50% |
These ranges assume the floor and ceiling are not heavily absorbent. Because plaster on lath absorbs only about 3% at mid frequencies, the panels do nearly all the work.
Get a room-specific number from the room calculator.