Tecsound soundproofing Insulation (HA9 Wembley park)

Tecsound soundproofing insulation roll, this was left by previous tenant and it’s very very heavy, it looks like it’s an expensive soundproofing, not sure how big it is.

https://www.ikoustic.co.uk/product-category/tecsound/?gad_source=1&gad_camp...