I just had an insert installed by my dealer and then came across this site and now I have some questions. We have a 16x16 or 15x15 flue that is interior. W One wall is in the house the other is in an insulated garage. Only contact with the outside is above the roof. We had a full liner ran to the top. about 14 feet high from the top of the insert. Anyways the dealer said I did not need it to be insulated, thus it is not. They also never mentioned anything about a block off plate at the damper. I have used the stove a few times and it is a little difficulty to get the draft going but once it is up and running it seems to work fine. Should this have been insulated? If so, what are my options now? Also is it possible to go in and add a block off plate at this point? How important is this with an interior chimney? The owers/installation manner does not mention insulation or a block off plate. Also, the top plate is supposed to be air tight correct? If so, I need to call them back out because it looks like they just caulked it down to the top of the chimney and one corner has pullled back. I can see a visibile 1/4 inch gap.
insert installed questions
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I just had my insert installed also with a full liner.The top plate was sealed but ill have to trust that they did that right because its 30 ft up.On the bottom they sealed the sides with fiberglass insulation.
I have called the dealer about the top plate. She said she would discuss with installation crew and get back to me. What about the insulation and block off plate?
Technically unless your chimney passed a Level II inspection insulation on the liner would likely be required. Does anyone actually follow this rule? Not really. The insulation makes the liner system meet UL 1777 specs, without the insulation its only purpose is to re-size the chimney and the old masonry structure is left for the "safety" aspect of the system.
Block off plate is recommended by many on here to help reflect heat back into the room instead of heating of the entire chimney. It is not required for a legit install if the top plate is sealed down.
Block off plate is recommended by many on here to help reflect heat back into the room instead of heating of the entire chimney. It is not required for a legit install if the top plate is sealed down.
Just make sure the liner you have is secured within the clay flue, and has a cap on top. Also, a block off plate is essential. In addition to the safety benefits, it will help your draft, and thus increase the performance of the stove. More heat, less wood, etc. Finally, it will prevent cold drafts from coming down when the stove is not in use.
-- Mike
-- Mike
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