Thanks for the response.
The fireplace surround which I have is in 4 x pieces;
2 x legs
1 cross member
1 x head (sits on the cross member)
The legs are hollow so there is not much surface area to secure to the wall.
I was worried that if I drill the limestone that it would crumble. What...
I am part way through installing a new fireplace. The granite hearth and cast iron backing are in place and I am now trying to install a limestone mantel surround. The surround came with metal wall fixing brackets which I need to first secure to the limestone mantel legs. I have tried several...