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AR15.COM
4/17/2009 4:21:59 PM EDT
This project has been in the works for a couple of weeks now.  The gas fireplace insert has been purchased and I have the plumber coming to extend the gas line next week.



I broke out a brick in the side for the plumber to bring in the gas line.  I was expecting a cavity before reaching the exterior plywood.  Instead I hit a piece of sheet metal.  This is a 30 year old wood burning fireplace.  I assumed it was real brick but it appears to be 2" thick brick "panels" on both sides and the back, with metal mesh behind.  



What should I expect behind the sheet metal?  Can I just drill through it for the gas line or will I find some additional masonry?  



All I have left of this project, I hope, is drop the exhaust/intake down the chimney, attach the cap, install and level insert and attach vents and gas line.  Install the decorative front and I have a new gas fireplace.