| Envirohold Group is a member of the | |
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| *All systems manufactured in the UK except Sesam system which is manufactured in Sweden |
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Expanding Walls Product Selector
Expandable Walls
| 800 series | 801 series | 160 series | |
| Acoustic Rating dB (Rw) | - | 18.4 | 31.2 |
| Acoustic Rating STC | - | - | - |
| Thickness (mm) | 145-220 | 145-200 | 145-200 |
| Weight kg/m2 | 7.5 | 8 | 26 |
| Max Panel Height (mm) | 5000 | 5000 | 5000 |
| Max Opening Width | Any | Any | Any |
| Panel Widths (mm) | - | - | - |
| Panel Construction / Frame | Steel | Steel | Steel |
| Panel Construction / Seal | Fixed | Fixed | Fixed |
| Panel Construction / outer | Vinyl/Carpet | Vinyl/Carpet | Vinyl/Carpet |
| Track System / Ceiling | • | • | • |
| Track System / Floor | - | - | - |
The above information is for guidance only. Further technical details are available from our technical services department.