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Chimney repair: who do I believe?

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Chimney repair: who do I believe? WPB 04-17-2008
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Posted by Bob F on April 18, 2008, 1:01 pm
The liner I have just hangs down the chimney to the stove. I did have to remove
the damper to get it in, but it was all self installed. But I am pretty handy.
The stainless liner is not cheap, however. Fortunately, most of what I needed
came with the used stove.

> Thanks for the advice. As it turns out, I'm getting my gutters replaced
> next week so I'll ask them to let me know if I have an ash issue just as
> you did.
>
> I keep hearing mixed things about liners. The chimney repairman that I
> spoke with yesterday told me he doesn't think they're necessary and that
> they'll cut down on the air flow up and out of the chimney. I hate to
> spend more than $2,500 on something that may not be necessary and, in the
> end, makes matters worse. Then again, you're happy with your liner.
>
> I'm not against the idea of the liner--it's the cost that's killing me
> (after just getting a new roof two weeks ago).
>
> Thanks again!
>
> David
> _______________________________________
>
>> My house, just a little older than yours, has an unlined brick
>> chimney. When I replaced the gutters, I discovered piles of ash around
>> the chimney in the soffet that wraps around it halfway to the top.
>> That convinced me that I needed a liner. I installed a used
>> "certified" firplace insert woodstove which couples to a stainless
>> liner going up the old chimney. The glass door of the stove gives a
>> good fire view. No longer am I sucking all the heat out of the house
>> when having a fire. Instead, it puts lots of heat into the house, with
>> the aid of its noisy fan. Cleaning the chimney is easier, as a chimney
>> brush runs straight down from the top, and all the ash ends up in the
>> stove when cleaning. For the money you're talking, this could work for
>> you also.



Posted by =?UTF-8?B?QmxhdHR1cyBTbGFmYWx5 on April 17, 2008, 8:18 pm
WPB wrote:
> Hello, all: I'd be grateful if someone could give me some advice on two
> points.
>
> 1. Last autumn I had a chimney cleaner come over and he told me that I
> needed a steel liner in my chimney (to the tune of $2,500). My house is
> older--about 65 years old. He told me that I was taking a real risk.
> Other people have told me that a chimney liner is completely unnecessary
> and a waste of money. Opinions?
>
> 2. The bricks in the "floor" of my chimney are all loose. That's bad.
> But one guy quoted me $175 to repair them (get them all locked into place
> and safe) and another guy quoted me $1,400 to $4,000. Quite the
> difference! Who should I believe?
>
> Many thanks!
>
> David in Toronto

You have to watch out. There are lots of crooks out there. A couple of
years ago I wanted my chimney repointed because mortar was falling out
and there were spaces. One guy wanted to remove all the bricks down to
the roof and rebuild the whole thing. Another one wanted to smear white
crap all over my chimney making it look like (crap in my mind). I've
seen some of those. I finally got a mason to do what I wanted for not
much money.
You SHOULD have a liner in the chimney. It's just a safety barrier in
case the chimney overheats like in a chimney fire and to keep gases from
seeping into the home through cracks and dry shrunken mortar and giving
you C02 poisoning. Go with the $175 guy.
It's true a liner is not necessary if you have only oil or gas heat.
A steel liner is about $2500 for a wood stove.

--
Blattus Slafaly ف ٣ :) ⅞

Posted by Edwin Pawlowski on April 17, 2008, 9:44 pm

> Hello, all: I'd be grateful if someone could give me some advice on two
> points.
>
> 1. Last autumn I had a chimney cleaner come over and he told me that I
> needed a steel liner in my chimney (to the tune of $2,500). My house is
> older--about 65 years old. He told me that I was taking a real risk.
> Other people have told me that a chimney liner is completely unnecessary
> and a waste of money. Opinions?
>
> 2. The bricks in the "floor" of my chimney are all loose. That's bad.
> But one guy quoted me $175 to repair them (get them all locked into place
> and safe) and another guy quoted me $1,400 to $4,000. Quite the
> difference! Who should I believe?
>
> Many thanks!
>
> David in Toronto

They may al be right to some extent. Did any of them put a camera down to
look? That would tell a lot. Is there a clay liner now or just brick? If
there is no liner, I'd consider one as brick can deteriorate over time. I'd
get prices on a stainless steel as well as the poured liner where they put a
bladder down and pour a concrete mix around it. Both would work, but I have
no idea of comparative pricing.

The $175 guy may be all you need if th ere are no other cracks or problems.
My concern is, if there are lose bricks on the bottom, there may be loose
brick some other place too, or getting very close to it.



Posted by PerryOne on April 19, 2008, 1:11 pm
> Hello, all: I'd be grateful if someone could give me some advice on two
> points.
>
> 1. Last autumn I had a chimney cleaner come over and he told me that I
> needed a steel liner in my chimney (to the tune of $2,500). My house is
> older--about 65 years old. He told me that I was taking a real risk.
> Other people have told me that a chimney liner is completely unnecessary
> and a waste of money. Opinions?
>
> 2. The bricks in the "floor" of my chimney are all loose. That's bad.
> But one guy quoted me $175 to repair them (get them all locked into place
> and safe) and another guy quoted me $1,400 to $4,000. Quite the
> difference! Who should I believe?
>
> Many thanks!
>
> David in Toronto

Firstly a chimney that's 65 years old, can still be OK.
When a chimney is designed and built, the designer has a particular
size and type of fire in mind along with the type of fuel that will be
burnt and therefore the heat that will be generated.

If subsequently the correct type and size of fire is used along with
the correct fuel all will be OK.

The problem comes with chimneys that are designed with one fuel in
mind, when subsequent owners burn unsuitable fuel, possibly wood at
the wrong temperature, possible due to the wrong sized fire using a
different sized stove.

This can lead to cold burning fires, inflammable tar deposits left in
the chimney and chimney fires.

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