Question: I'm looking for advice on how to cap off an unused chimney. Last season I replaced my extremely old oil furnace with a high-efficiency propane furnace. The oil furnace used the chimney to ...

Questions: I came across one of your articles about sealing an unused brick chimney. It got me to wonder, when we remove and cap a couple wall furnaces with central heat, what’s a good way to insulate ...

Q: I have a problem with my chimney. It is a brick chimney on the gable of a 15-year-old colonial. The problem is in the attic, where I noticed a leak right where the chimney is along the rafter and ...