Spotted at Aldi this evening. (Took photos but am not able to upload them.)
Workzone multipurpose insulation material. £8.99 It’s a roll. You can buy it online, here*:
They also have a multi-layer foil insulation quilt on sale, I notice, for £64.99. Available online, here*: https://www.aldi.co.uk/multi-layer-foil-insulation-quilt/p/010791259759300
Gorilla tape. Silver. £3.99. Not available online.
Gorilla superglue. £ 3.99. Not available online.
Gorilla grab adhesive. £ 6.99 . Available online, here*:
* At the time of typing