Listen to daddy brown.
Use a stone or the toe of an old trowel to get rid of the worst lines and then mix yourself a wet slurry mix of basecoat and apply to the wall as tight as you can putting more pressure on the heel of the trowel so you are leaving no lines.
Any lines you have left just...
Can anyone recommend where to buy DECENT 180mm fixings with metal pins?.
Really fed up using the crap that Parex, Mapei and the like specify as notated how well you drill the hole they rarely sit flat to the wall.
The best ones I have used are the Marmorit fixings but you...
I used stainless 15mm stop bead as they were for my fireplace. Just had a woodburner fitted with a stainless flue, handles etc so wanted to see an edge of a stainless bead against the slate.
Yeah maybe I need to go back to college you cheeky cont lol.