Plaster Board - Fire rated (S60 Catcliffe)

Spare fire rated plasterboard - 12mm

One large sheet (60-120 cm approx)
One triangle sheet (60-120 cm approx)

6x medium size off cuts approx 30x40 cm

And a few slimmer bits.

Would be a good start for a fireplace/stove install or lning out a shed/van perhaps.