Sound Insulation
Sound insulation is measured in decibels (db). When a window has a sound insulation of 30 db and the outside sound intensity is 65 db, then this means that the inside sound intensity will be 35 db.
| Location | Noise | Recommended inside |
|---|---|---|
| Sound Intensity | ||
| Ordinary Street | 66db | 35db |
| Busy Street | 70db | 35db |
| Motorway | 75db | 40db |
Engels windows enjoy excellent sound insulation and can be equipped with insulating glass up to 45 db. For additional sound insulation, up to 55 db (airports), please contact us.
