Interesting thoughts. I cut the ceiling wallpaper making it ready for tomorrow to strip the border then I will see what is the background to the corners and ceiling edges.
I used my 82mm wooden block to mark the points in the corners. I screwed in screws to hold the chalk line on point...
Still, it needs to be firmly attached the ceiling edge due to the flimsy nature of the polystyrene. I am thinking maybe dot and dab, line it up nicely, let it harden, then fill it in nicely. Can't think of any other way.
Hi. I thought I would like to cove this old house. I bought some polystyrene coving from B&Q and a tube of coving adhesive.
I watched a few videos on YouTube. I made myself an 82mm square block and proceeded to mark the corners in view of pinging a chalk line on the wall and ceiling. However...