Hi @JacobZ and @R4addZ ,
Thanks for your advice!
I read another post belowhttps://www.workshop.bunnings.com.au/t5/Living-and-Bedroom/How-to-make-in ...
Thanks for your replay Jacob!Here is the wall I would like to repaint. Based on the peeling off part, I guess it's a wood board wall (the sound of cli ...
Same thoughts as @JacobZ
But I would be cutting steel plate the same thickness as the washer - to the maximum surface area available. Maybe hexagonal ...