I have Rumford fireplaces in my antique house. When we had an addition built in 1998 we added another one. My advice would be to fine an experienced mason who has built these before and check with t ... read more
We at NEWPRO have a alternate view from our industry colleague, Mr. Damora. Since the greatest concern you voiced was the lack of insulation in your extension, we recommend Vinyl Composite Siding, a ... read more