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PostPosted: Sun Jul 24, 2011 2:01 pm 
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Afternoon,

At the moment, I'm looking into the possibility of installing a woodburning stove in my house. Here are my ideas in pictures:

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stove3.JPG [ 161.03 KiB | Viewed 2939 times ]


I went to a Stove shop to run my ideas past them. Among the many points of discussion, he suggested that the highlighted path for the flue is not viable. Apparently the horizontal path for the flue duct should not exceed 25% of its vertical path. He suggested a vertical stainless steel flue rising straight up from the stove, and through the roof, terminating above the roofline would be the best solution.

Trouble is, I think such a flue path would just look plain ugly. Other houses on my street have proper chimneys running a similar path. They look OK, but I can't imagine a skinny stainless steel flue rising 3m above the roof transit plate looking good. And I'm not convinced that such a construction would survive a storm very well either (even with bracing).

So what other viable solutions can I consider? I understand that the flue needs to terminate above the roof ridge, and needs to be no less than 4.5m in any case so shortening a flue cannot be considered. I'm guessing a proper chimney is going to be very expensive to construct.

Do such things like fan-assisted flues exist for wood burners?

Cheers

Anthony


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PostPosted: Sun Jul 24, 2011 2:18 pm 
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Would have to be better than skinny SS.

I would get a flue specialist in, you will need to talk to building control or whatever you have as well.


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PostPosted: Sun Jul 24, 2011 3:10 pm 
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Hi Anthony, yes, you can get fan assisted flues, but why? I see no horizontal element to your flue, only diagonal. I see no issues with that flue run, only distances from combustibles.

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PostPosted: Sun Jul 24, 2011 3:24 pm 
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Bit of a bugger keep going out in the snow to stoke the fire. :roll:

http://www.stovesonline.co.uk/stove-chi ... guide.html


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PostPosted: Sun Jul 24, 2011 3:26 pm 
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as long as you realise you have to inform building control before commencement comply with building regs and get them to pass the instalation at your expense or get a hetas engineer to install

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PostPosted: Sun Jul 24, 2011 9:12 pm 
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Quote:
as long as you realise you have to inform building control before commencement comply with building regs and get them to pass the instalation at your expense or get a hetas engineer to install


The BC bit was interesting speaking to my local council. They said no Building Warrants were needed for installation of new flue pipes and stoves. HETAS engineers are suprisingly thin on the ground in my part of Aberdeenshire. I've got 4 HETAS engineers within 40 minutes drive from my house. Plenty more non-HETAS engineers though. Maybe HETAS doesn't have such legal weight in Scotland as it does in England.

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Quote:
I see no issues with that flue run, only distances from combustibles.


I was reading in Scruff's link that flues should be max 45 degree bends from vertical. Roof pitch is ~35 degrees from horizontal so having such a bend in the flue is a no-no. If a fan assisted flue enables a shorter protrusion from the roof, then maybe that's the best solution. Otherwise I'm going to start having to think about chimneys, and I don't think my appetite stretches to accomodating that expense.


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PostPosted: Sun Jul 24, 2011 9:20 pm 
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I think Building Control in Scotland is different to the rest of the country.

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PostPosted: Wed Aug 24, 2011 4:10 pm 
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Well, personally I'd move the stove position to a central position - parallel to the word 'dining' on your plan. This would get the stove away from the relatively cold external wall, and allow you to rise the flue vertically exiting near the ridge (best position to avoid back smoke). Recently we installed a beautiful Scan stove in our cabin in Sweden. We used a Isokern flue system - which is very efficient getting more heat from your logs and easier lighting as the flue warms up quickly. Also it looks like a traditional chimney, so you avoid the 'metal pipe unattractive look.' Here's a link http://www.schiedel.co.uk/residential-p ... ice-range/
This central position would also, in my opinion, look nicer in your room. Hope this helps!


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PostPosted: Wed Aug 24, 2011 6:00 pm 
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Hi Baggbo :welcomeuhm:

We do not usually allow new members to post links to external sites but that one looks quite useful so I'm going to leave it there. Assuming they are available over here :wink:

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PostPosted: Tue Sep 19, 2017 11:30 am 
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Good Morning.
You need 4.5 metres of straight flue pipe for your stove to work correctly.
Where abouts in the country do you like, if you like in our area we can offer a survey and one of our fitters to come and look for you


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PostPosted: Tue Sep 19, 2017 11:39 am 
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bowlandstoves wrote:
Where abouts in the country do you like, if you like in our area we can offer a survey and one of our fitters to come and look for you


If the OP hasn't had his stove fitted after 6 years, I doubt they really want one.

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