See that you didn't get any answers here - but wondering if you found any good solution? I have the same problem.
 
Used a masonite board that I pressed in place with a couple of battens so that it followed the curve of the arch. Worked OK.
 
Gunnar Almgren Gunnar Almgren said:
Used a sheet of masonite which I pressed into place with a couple of beams so that it followed the curve of the arch. Worked OK.
 
  • Damaged concrete staircase with peeling paint and moss, supported by wooden beams. A red bucket with tools and a bicycle wheel are visible underneath.
Click here to reply
Vi vill skicka notiser för ämnen du bevakar och händelser som berör dig.