| Clue | Source | Date |
|---|---|---|
| Trailing behind | Thomas Joseph | 06 Mar 2024 |
| Material used to cover pipes not up to speed? (7) | ||
| Insulation covering (7) | Puzzler | 09 Feb 2024 |
| Material providing heat insulation for a water tank, pipes, etc. (7) | ||
| Falling behind | Thomas Joseph | 14 Dec 2022 |
| Falling behind | The Guardian Quick | 31 Oct 2022 |
| Falling behind | Thomas Joseph | 10 Mar 2021 |
| Trailing insulation | ||
| It's used to wrap around boilers, say, to prevent heat-loss | Irish Times Simplex | 18 Nov 2016 |
| Insulating material | The Times Concise | 05 May 2016 |
| Falling behind | ||
| Moving slowly. |