Cloud 9 Charleston 9 vs Cloud 9 Cumulus: specs compared
Updated 05 September 2026.
3.1 TOG
Cloud 9 Cumulus wins on TOG rating
On TOG rating, Cloud 9 Cumulus leads: 3.1 TOG versus 2.5 TOG.
| Spec | Cloud 9 Charleston 9 | Cloud 9 Cumulus |
|---|---|---|
| Manufacturer | Ball & Young | Ball & Young |
| TOG rating | 2.5 TOG | 3.1 TOG |
| Thickness | 9 mm | 11 mm |
| Density | 156 kg/m3 | PU foam |
| Sound | 39 dB impact reduction | 43 dB impact reduction |
| Underfloor heating | Not suitable | Not suitable |
Questions and answers
Which has the higher TOG rating, Cloud 9 Charleston 9 or Cloud 9 Cumulus?
On TOG rating, Cloud 9 Cumulus leads: 3.1 TOG versus 2.5 TOG.
How do Cloud 9 Charleston 9 and Cloud 9 Cumulus compare?
On TOG rating, Cloud 9 Cumulus leads: 3.1 TOG versus 2.5 TOG.