Clearance/Insulation

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Joey J

New Member
Feb 11, 2013
33
So, I have a 25 foot Heatilator chimney which is 8 inch and want to use a 6 inch liner with insulation. The chimney is straight through. My concern is how tight of a fit will this be? Has anyone done this and if so how hard was it?
 
Are you installing a ZC insert into that heatilator?

NO. I'm going to use a soap stone woodstove "outside" the ZC fire place. Just using the Heatilator chimney for a chase. Back to my question. Has anyone on this fourm done this? I also notice thay have 1/4 insulation as well. Might work better giving me more room??
 
That's sounds like a big job. Did they rip out the Heatilator fireplace as well? I would have to rip out the Heatilator from the back as I have stone in the front. The fireplace is like new hardly ever used. A local dealer said he lines these all the time but for sure the Class A would be the better way. Just wasn't looking to make a career out of it:eek:
 
The insulated liner will go down the existing chimney. It will be very tight but it will go. We do a few every year.
 
The insulated liner will go down the existing chimney. It will be very tight but it will go. We do a few every year.

I planned to do this myself but don't feature getting on the roof. What is a fair price to have a company do this. I want to get a double wall liner with a smooth inside, insulated and between 20 to 25 ft. straight run. I'll hook up the stove myself.
 
The price will vary on your area, but you are looking at somewhere around $2,000. I jut checked on online store for the smooth inner wall liner and 1/2" insulation, the parts would run around $650 for a 20' liner.
 
That's about what I was thinking. A man has to make a living but for a savings of more than 1000 dollars I most likely will clime that ladder. I also worry about liability of doing it myself. What's one to do! But seriously, I may just get a complete set-up with the UL approved chimney for the stove and rip everything out. Right now I'm on the fence.
 
I rented a stationary, articulated lift to work on the chimney I installed for my sister. Two stories up, 8/12 pitch, and 9' of pipe sticking thru the roof. I don't have a big fear of heights, but that was too much for me. Best $160 she spent ;)
 
Thinking about a lift myself. My house is two stories plus. It's a long way down. I've also been looking at putting the stove somewhere else on the bottom floor and leave the heatilator where it is. Not an easy thing to do with my set-up. I guess I could get real creative and cut a hole right though the heatilator and run a Class A chimney though the exterior wall right up next to the prefab chase and box it in. Might be a lot easier than ripping out the ZC fireplace and chimney:p
 
You will likely get a better deal on a liner install if you buy a stove at the same time. Most hearth stores will do a little better on price for the combo.

I also wouldn't worry too much about getting the smooth wall liner. When I clean one, there is little to no difference in the amount of build-up in the flue, whether it's smooth or not. If you got the extra money then got go for it, but it's not necessary.

You should be able to get an insulated 25' liner installed for $1500
 
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