Frame with inside wall and half of the racks welded in:
Chimney seam weld and welds on opposite side of back wall where the racks are located:
Side view of inside wall:
Angle scrap welded into to seal off chimney bottom:
View from top of inside wall:
Chimney seam weld and welds on opposite side of back wall where the racks are located:
Side view of inside wall:
Angle scrap welded into to seal off chimney bottom:
View from top of inside wall: