Steico-therm-20 boards (Netherfield, Kendal LA9)

I have 5 spare boards, 600mm*1350mm
You can use them under plasterboard or panelling for insulation.
They are a bit frayed, but that shouldn’t matter.
You can see what they are on ecomerchant website:

https://www.ecomerchant.co.uk/steico-therm-wood-fibre-insulation-board.html