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Cooker extractor fan in a chimney breast?

Discussion in 'suburban75' started by trashpony, Apr 4, 2012.

  1. trashpony

    trashpony The kittens are taking over the world

    My cooker sits under a chimney breast. When I first moved in, there was a strip light in there and what looks like a regular window extractor fan. I can only assume the previous occupants didn't use the top of the cooker as I managed to melt the fan within about a month of being here :oops:

    So there is this greasy melted plastic thing above the hob which no longer works (I've disconnected it now)

    I really want to replace it with a proper extractor thing that I can clean and is designed to cope with the heat from the cooker.

    Is there such a thing in existence and who do I need to get to install it? An electrician or a kitchen specialist person? :confused:
  2. TitanSound

    TitanSound Mr Beardy Drummer

    Pictures, we need pictures :D
  3. stuff_it

    stuff_it Nerd burglar

    Need pics and measurements. If you can fit one in then you may have to line the chimney as well with a flue liner to stop greasy deposits in the brickwork. If it's a flat and other people in the block use the same chimney for fire purposes this could cause problems.
  4. trashpony

    trashpony The kittens are taking over the world

    Not a flat, it's a house and the fireplace in the room above it has been taken out. Yes a chimney liner would be good. It's pretty fucking minging up there :oops:

    Will take some pics.
  5. gentlegreen

    gentlegreen Nadie espera a la inquisicion española.

    I have a Baumatic hood venting into a disused flue . I built a right-angle of bricks on the top of the chimmney, but I still get crud falling down it. I opened it up in the bathroom to put a trap in, but never got around to it ...
    As to whether you can get a fan designed to do that job ....
  6. bi0boy

    bi0boy .

    Where does it vent to outside - horizontally through the wall or vertically up the chimney?
  7. trashpony

    trashpony The kittens are taking over the world

    [​IMG]

    That's the space which is 50x90

    The chimney narrows and on closer inspection, there appears to be a piece of MDF stuck into the breast with the extractor fan attached to that (please do not look at this photo if you are eating)
    [​IMG]

    The space the MDF is fitted into is 30x70

    I have no idea where it vents - I will have a look outside. I just assumed it went up the chimney
  8. stuff_it

    stuff_it Nerd burglar

    Right, looks as though the whole lot needs to come out and a 'proper' cooker extractor installed (preferably further up the chimney). That's fookin close to the top of the fireplace!!! :eek:

    Is there not anywhere else to put the cooker? I smell cowboy builders, and tbf also burning plastic.

    It depends very much on how the chimney/flue narrows and changes direction after the MDF as to what else you can do about it wrt fireproofing/installing a cooker extractor further up.
  9. gentlegreen

    gentlegreen Nadie espera a la inquisicion española.

  10. bi0boy

    bi0boy .

    Yeah you can't fit any sort of extractor in there as it won't comply with building regulations. Extractors need to be 75cm above the hob, or higher if the manufacturer's specifications require it.
  11. trashpony

    trashpony The kittens are taking over the world

    Yes, this house is big on cowboy builders :(

    Nowhere else to put the sodding cooker, no
  12. trashpony

    trashpony The kittens are taking over the world

    Really? What can I do then? I'm worried that if I take out what's there, I'll start a chimney fire
  13. gentlegreen

    gentlegreen Nadie espera a la inquisicion española.

    I doubt the fan's been doing much for ages.

    When I repositioned my hob, I hoped to rely on the natural draw most of the time. My Baumatic hood is seriously industrial - I reckon I could use a charcoal grill under it. :D
  14. stuff_it

    stuff_it Nerd burglar

    You can't safely use the cooker at all there, no. Sorry. Extensive and probably expensive messing about by someone who knows what they are on about would possibly make it safer, but until then you can't use the cooker there really at all. :(
  15. bi0boy

    bi0boy .

    OK, now I've seen the MDF pic. You'd need to have all that shit removed. If I was you I'd then get some professionals to check out the chimney and put a chimney extractor in.
  16. trashpony

    trashpony The kittens are taking over the world

    Well it's been like that for well over a year :oops: I have a fire extinguisher kept next to the cooker in case of disaster

    What kind of professionals do I need bi0boy?
  17. bi0boy

    bi0boy .

    A builder who knows stuff about chimneys. They're probably hard to find TBH.
  18. gentlegreen

    gentlegreen Nadie espera a la inquisicion española.

    I can't see much of a problem once the melted plastic and MDF are removed - apart from the crud falling down the chimney - it at least wants some sort of metal grille / lining ...
  19. bi0boy

    bi0boy .

    Aren't you the guy with no floors and stuff? :D
    gentlegreen and stuff_it like this.
  20. stuff_it

    stuff_it Nerd burglar

    A fire extinguisher won't sort a chimney fire, and aren't MDF fumes meant to be toxic?
  21. gentlegreen

    gentlegreen Nadie espera a la inquisicion española.

    If it was me,I might well just bodge-in a metal hood filter. :oops:
  22. stuff_it

    stuff_it Nerd burglar

    No comment.
  23. trashpony

    trashpony The kittens are taking over the world

    I shall ask my builder friend who is restoring his house (similar age) and see if he's got any ideas
  24. gentlegreen

    gentlegreen Nadie espera a la inquisicion española.

    I never realised I might need to line the flu - mind you in my case it's flush with the ceiling and there's a proper extractor hood at the correct height and a foot of (plastic :oops:) 6 inch duct before it gets anywhere near the chimney - and someone must have swept that.

    EDIT :- no I lie, it's actually flexible aluminium...

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