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Thread: Chimney brush advice wanted

  1. #1
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    Chimney brush advice wanted

    Been waiting for a few weeks and yet to hear back from the 3 contractors that I have rung. Chimney needs doing sooner rather than later.

    Used to do the chimney myself back at home, easy to get on the roof. Brush set seemed to go missing when selling g this and sorting the estate out.

    Chimney here has to be done from the bottom as roof is a serious obstacle hence getting contractor to do it in the past. Got a butterfly dampener on the flue that's going to get in the way a bit. So I'm after advice on brush types, material for the sections of 'pole' diameter of the brush vrs that of the flue....

  2. #2
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    Brush size depends on flue size. Mine is 150mm stainless. Others are 200mm I think. Places like Bunnings and Mitre ten sell the brushes. You can make a cheaper-than-made-up system by using the orange conduit from one of the above outlets. Also buy the screw-on thread connectors so lengths of conduit can be joined. Obviously get the right terminal end to mate with brush. Words of caution: If pushing UP the flue, watch that you do not push the chimney sections apart as (I think) they fit together from the top down and it's easy to pop them apart. Second, if you have a firebox door open, soot will billow into room. Tape plastic across open door with an 'X' cut in centre and this will stop most soot falling out of firebox.
    Tommy and Cordite like this.

  3. #3
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    Be very careful doing it from below as you can pop the cowl off if you go up to far.
    Another issue is most of the soot is in the last 1M of flue near the top so very hard to do a good from the bottom.

    Sent from my SM-G920I using Tapatalk

  4. #4
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    the sections should be riveted together so wont pull apart if you could get on the roof drop a rope down the flue about 6mm works great tie onto a flue brush then another rope on the bottom of the brush put some tape on the top rope about 500mm from the brush.then with some one to help you then pull the brush up and down.if you tape some plastic along of the door opening at the top it will help with soot and crap blowing everwhere.

  5. #5
    GSP Mad Munsey's Avatar
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    Im assuming you got 45Deg roof pitch being where you are ? . Without seeing your chimney and your heating appliance , my advice is to make a roof crawler and clean from above . Remove baffles (the bit on the roof of the inside of the fire box) .Then remove the cowl . I got a commercial brush and rods you can borrow from ChCh if you want (runs on 6 heineken per week negotiable ). Easy as gently push brush down the flue adding extensions as you go . As said above most soot is at top of the flue . You can use a chain ( ball it up aprox size of the flue 150mm . use wire to hold its rough shape . Attach balled chain to a rope and drop and raise , works well enough . Be careful if there are offsets (bends) as brush or chain can get stuck and damage flue or seperate it . Take some photos if you want it may help with advice given .
    Nibblet, 25/08IMP and Tommy like this.
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  6. #6
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    Baffle is in the flue and can't get it out (think pot belly with dampener above it), can take the top plate out of the firebox easy enough.

    Would like to do it from the top but it just isn't feasible, would make a roof crawler as Munsey suggests roof is a 45 pitch but then he top of the chimney sticks up 3m where it pokes through the roof.... Need 4 ladders to do the damn thing.

  7. #7
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    have seen similar to what you describe.the way to do them is remove bottom section if it can be raised out of firebox socket if that is the one with baffle in notch a piece of timber to hold flue up then you will need a large piece of plastic underneath then you can clean it.use rivet holes to screw a screw into the wood prop to keep it secure.

  8. #8
    Member Marty Henry's Avatar
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    Heres an idea make sure the fire is cold then catch a whole bunch of sparrows. Remove the baffle or open the damper so you can see light at the top. Put sparrows in the fire and close the door, the fluttering of their little wings as they fly to freedom up the chimney will leave it spotless. Or at least thats the theory.
    Biggun708 and 223nut like this.

  9. #9
    Almost literate. veitnamcam's Avatar
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    Quote Originally Posted by Marty Henry View Post
    Heres an idea make sure the fire is cold then catch a whole bunch of sparrows. Remove the baffle or open the damper so you can see light at the top. Put sparrows in the fire and close the door, the fluttering of their little wings as they fly to freedom up the chimney will leave it spotless. Or at least thats the theory.
    I think that theory is from the old days of big brick chimmneys?
    Sparrows would be doing bloody well to fly virticaly up 6m of 5-6inch flue?
    "Hunting and fishing" fucking over licenced firearms owners since ages ago.

  10. #10
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    Quote Originally Posted by Marty Henry View Post
    Heres an idea make sure the fire is cold then catch a whole bunch of sparrows. Remove the baffle or open the damper so you can see light at the top. Put sparrows in the fire and close the door, the fluttering of their little wings as they fly to freedom up the chimney will leave it spotless. Or at least thats the theory.
    thats how you turn a sparrow into a blackbird
    EeeBees, 6x47, Marty Henry and 1 others like this.

  11. #11
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    Quote Originally Posted by berg243 View Post
    have seen similar to what you describe.the way to do them is remove bottom section if it can be raised out of firebox socket if that is the one with baffle in notch a piece of timber to hold flue up then you will need a large piece of plastic underneath then you can clean it.use rivet holes to screw a screw into the wood prop to keep it secure.
    No no Pease don't lift the flue as 1 you break the air tight seal between the fire and flue which creates draw issues. You can also dislodge the cowl off the top of the flue. We used to see this a lot when we were running our woodfire business and can create all sorts of issues.
    You really need to get on the roof there is always a way.

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    Munsey likes this.

  12. #12
    Member rossi.45's Avatar
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    get 2 feet of chain, fold over into quarters, attach to heavy cord long enough to reach the fire from the roof . . . . can you see where this is going

    lower chain slowly down the flu using a flicking motion . . . result clean flu . . . old school stuff and no animals were hurt

    R
    without a picture . .. it never happened !

  13. #13
    Member Tahr's Avatar
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    We used to pull a bushy Manuka branch up through our old farm house chimney to clean it.
    EeeBees, Munsey, BRADS and 1 others like this.

  14. #14
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    oops forgot to say take out screws in stay brackets as you lift the whole flue and outer up about 50mm to remove bottom section that is how we did it to clean tall flues if very hard to reach top of flue.the seal between the flue and the fire normaly onl leaks if the flue is dented at the swage and can be sealed with a bit of maniseal if cant be straightened.if flue is to heavy for 2 people to lift you can half hitch a rope several times around the flue then use a jack preferably on the floor behind the fireplace with a piece of timber up the back of the flue to lift it but lower onto a notched bit of wood for safety.this we had to do sometimes installing new fires in 2 story houses but only do it on a calm day.if the cowl comes off it wasn't put on properly as it should have at least 3 screws or rivets.

  15. #15
    Member sneeze's Avatar
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    Quote Originally Posted by veitnamcam View Post
    I think that theory is from the old days of big brick chimmneys?
    Sparrows would be doing bloody well to fly virticaly up 6m of 5-6inch flue?
    We had starlings build in the flue in our new place, the odd one would fall down into the fire box,normally theyd be dead but they scared the crap out of cook when she opened the door, two flew out. One made it out the door the other smacked into the window.

    We clean our flues from the bottom for the same reason. Standard 150mm brush attached to a length of HDPE water pipe. Bends around into the flue ,works well. Only other option here is a cherry picker but $180 a time.
    Rules are for the obedience of fools
    and the guidance of wise men” Sir Douglas Bader.

 

 

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