Our wood-burning fireplace currently has two side metal panels and a rear concrete-ish refractory panel that is 24x24x2".When we bought the house it had a crack in it, but both the inspector and subsequent cleaners said not to worry about it. However, earlier this year a bird managed to circumvent the layers of defense around the chimney top and get between the fireplace and the chimney. In the process of trying to rescue the damned thing* I took apart the fireplace box, and when replacing the back wall it lost some structural integrity and now has cracks/gaps too large to ignore (plus it's in pieces. That still fit together. but pieces.).Chimney guys want $200 just to come *look* at the damned thing, and seriously it's like 8 screws to replace it, but I need to find a comparable replacement, and I'm coming up short. Everything I see is 1" thick or less, and from what I've read you really should replace with comparable thickness for safety.So, the question: Can I just sandwich two 7/8-1" panels together and call it a day? I could even get the refractory cement and do it properly, no gaps. Is there some reason that would be a stupid idea?(That, or anybody know where I can get a 24x24x2" panel?)Thanks.*Unsuccessfully, sorry. via /r/DIY http://bit.ly/2GIR54x
