There is a chimney like this:
I have ordered a hardened glass with four holes to be installed in front of chimney with dimensions like this:
There is a 2 cm empty space below glass to allow fresh air in.
I designed the dimensions in a way that the four glass holes would be between the bricks.
The problem is I'm not sure what's the best approach to attach the glass to wall through the holes. I prefer the glass to be easily removed and put back in place. Any idea is welcome.
The North-East glass hole is like this: