A piece of insulated plasterboard.
Plasterboard is 12.5mm and the insulation is 25mm total of 37.5mm thick.
Looking at giving it away before skipping.
610mm wide 1200mm long
The sides are tapered edge
New not used
Pick up Hastings
Insulated plasterboard (Broomgrove TN34)
This offer has been gifted to someone and is no longer available.