If it can be plasterd surely PB adhesive will take to it, just screw into the stud to be safe.Using insulated boards
What I was thinking. I thought it was plywood at first from video.( how can I get a video from watts app to here) top half of walls them boards bottom half blocks I thinkIf it can be plasterd surely PB adhesive will take to it, just screw into the stud to be safe.
There allready oon wallOh and mate, be careful with these boards, they snap really easy, one tap or even if you cutting it on bench and it'll snap, I used them few months ago, specified by log burner installer, I snapped one luckily I could use it on the sides as its £120 a sheet