Thanks for the replies. We'll probably put lath over it with a sand/cement render.
I'll put pictures up when I've finished.
We are pointing the blocks, we just hadn't got down to the window level at the time the photo was taken.
Cheers, Leon 8)
I want to skim over an external steel above my window. Would I have to stick Lath to it somehow first?
The steel is supporting the slate cladding at about 150mm and is tied to the outer leaf wall of the house.
My Dad has tried to attach a white uPVC fascia board on another window and has...