plastbaord

Hi all, hoping someone can give me clarity on if my plan will work. I have a 4.5m x 3.5m single skin flat roof outbuilding which I’m planning to use as a bar/man cave. There is a DPM below the concrete & I have also tanked the walls & floor for good measure. my plan was to use 2x1 battens with...

Going to let the photos do all the talking but I am not sure how these screws appear to have slid out of the wall. If I want to put the pole up in same position again, do I need to use some special compound like this one by Toupret? https://www.toupret.co.uk/joint-skim-fill.html Or mount the...