Question about fireplace insert install

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jolby

Member
Mar 1, 2010
31
Western SC
I've been reading here for a good while and appreciate all the helpful info given. My situation is to heat a 1100 sq ft space that is on a concrete slab. The slab extends 8' outside on 3 sides to have a covered walkway, if that makes any difference. There is plenty of window space but otherwise, the house is pretty well insulated. The room that the insert will go is about 15' X 30'. Off of this room are 3 doors leading to 1) small bedroom and closet 2) bathroom, washroom, closet and 3) at far end opposite the fireplace a room about 12' X 28'. Being in western SC with an avg Jan temp of 40 to 41, and the lowest lows generally holding in the teens, I would think that the England Stove Works 13I would be a good choice.

My fireplace height from floor to top clay tile is 23'. The tile's i.d. is 10 3/4" X 11". The exterior chimney has had little use and looks good on the inside. I am thinking of using the Flex King Pro liner kit as it is described as being .014" in thickness vs others at .005". Plus it is advertised as smoother lined inside to aid in less creosote buildup. Does that make sense? I will have to ovalize it to get through the damper area. That and making the block off plate are my 2 concerns.

One other thing, I know it is recommended to insulate the liner, but if I don't, do I have to place 1" spacers along the liner?

Thanks for any advice.
 
You might want to try a blanket insulation. It's easier IMO and you don't have to worry about maintaining the spacing.

Personally, I would cut the damper frame and knock out a couple bricks to keep from ovalizing, but I'm obsessive about dumb things like that.
 
cmonSTART, thanks for the tips. Looking at the spacer cost, unless I could find a cheaper substitute, it would probably make cents just to insulate. However, I did read this from the Flex King installation sheet that may give me an out:

Clearances
Inside Masonry Chimney:
Minimum airspace clearance of the liner to the interior surfaces of the masonry chimney to be maintained is zero inches. The chimney must be built of solid masonry brick or blocks no less than 4 inches in thickness.

I need to check the brick thickness to see if I qualify.

I like your idea of not ovalizing and will see how it goes when I get the damper out. Thanks again.
 
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