Thanks to all!! Declaration install complete.. pics and commentary

Thank you to all on Hearth forum...learned alot and have utilized you guys through out this process. Completed my install of Declaration / 33 flush mount insert. Had some interesting challenges. My stone prevented me from mounting flush to the front due to the irregularity of my stone face. Then the front plate of the insert would not fit into the opening due to the stones overhanging into the opening by about 2" per side. The fireplace was pretty standard but my stone made things tough.
I ended up trimming 3/8" off each side of the faceplate which allowed me to install the wholr unit "behind' the stone. I made my own filler plates and installed them behind the stone also. Used 4ft of flex pipe to rigid the rest of the way. My chimney length is only 12" total. I did insulate the liner per all your recommendations.
Lit it off last night for the first time. I'm very happy with the performace. Draft was excellent, heat output was better than I expected. I need to mount the fan speed control yet. I dont really have a good spot for it. I'll stare at it for a few days before I do that so I get it right. I've included before and after photos. Please feel free to comment good or bad, or ask questions. I've learned enough with this project I may have an answer or two to offer.

Thanks again

Blue2ndaries said:

Very nice! I like the hearthstone; is it one piece? What kind of stone is it, or is it concrete?

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It's concrete, they did a real nice job of finishing it. Very smooth on the face, yet has a nice broken edge to it. Original piece from 1971.

Before and after