low ceiling = problem with chimney hood. fit lower to hob? shorter hood?

Discussion in 'Kitchen Fitters' Talk' started by powerbook, Jan 2, 2008.

  1. powerbook

    powerbook New Member


    oven/hob is 600mm wide. if i fit a 600x750 splashback the distance from top of splashback to ceiling is only 510mm.

    smallest height chimney hood i can find is 646mm total -thats the chimney plus the glass hood.

    could i instead fit a 600x600 splashback or is there a building reg for distance to hood. if not i could cut the splashback to fit which may give a 600x614 size.

    or maybe a smaller chimney hood of anyone knows where???
    has to be a chimney hood rather integrated hood.

    cheers for help and happy NY!
  2. powerbook

    powerbook New Member

    or another option (perhaps) would be to cut down the length of the stainless steel chimney itself.

    would this be easy to do?

    where could i get it done as i think i would only bend it....

    i would buy either the boxed chimney type or the curved ones which seem popular these days

    thanks again
  3. joinerjohn

    joinerjohn New Member

    Hi, I think that 750mm is the recommended height above the hob for the extractor. I had one cut down by a local sheet metalworking firm and this was quite successful. Maybe another option is to cut it into the ceiling? Depends what's behind the plasterboard on the ceiling, if there's a joist in that position then you would have to have the chimney cut down.
  4. andy.sp

    andy.sp New Member

    I think the minimum distance from underside of cooker hood depends on hob type. Min 750mm for a gas hob and 650mm for an electric hob. Sure someone will be able to confirm that though.

    Good luck.
  5. kitcheneer

    kitcheneer New Member

    Vast majority of chimney hoods need the chimneys shortening to get a decent installation. Either that or cut a hole in the ceiling to fit, but usually it easier to cut the chimney. I usually do it with careful marking and cutting with a large but fine toothed hacksaw over a piece of timber gripped in a workmate. Then clean up with a file.

    I expect the foreign places these things come from, either their worktops are very low or their ceilngs are very high or else they don't give a * and are more concerned with the one in ten ceilings that might be too high (not come across one yet, personally)

    [Edited by: admin6]
  6. devonkitchens

    devonkitchens Member

    As Andy says, unless the hob manufacturer, (installation section of the manual), tells ya otherwise.
  7. powerbook

    powerbook New Member

    cheers guys

    one more question, any rec's for where to get it cut?

    i'm in surrey

  8. chip off the block

    chip off the block New Member

    i cut them with a fine metal cutting blade i the jig saw on low speed. Put masking tape on it to mark out easily
  9. Trog

    Trog New Member

    Same as Chip but with a dedicated stainless steel blade
  10. Joelp1

    Joelp1 New Member

    i use a 0.8mm blade in an angle grinder. Its like a hot knife through butter!
  11. chip off the block

    chip off the block New Member

    didnt know there was a dedicated ss blade with keep an eye out for them
  12. bernieeccles

    bernieeccles Member

    As has been said, there are minimum distances for hob to hood height and also underside of adjacent wall units.

    As always, the manufacturers instructions take precedent, but remember , that in the case of gas hobs, the height measurement is nearly always taken from the top of the panstands and not the worktop.

    CORGI inspectors love to trip you up on this sort of thing as they do with minimum distances sideways and backwards.
  13. Scouse30

    Scouse30 Member

    Hi PowerBook did you manage to fit the hood in your kitchen with its low ceiling? I have the same problem which was made worse when I had to get a new gas cooker as the fitters saif I had to high my extractor fan, which is a real problem as the ceiling is so low. Are you extracting the fumes externally or recirculating the air?
  14. goldenboy

    goldenboy Super Member

    Confused about this.

    Unless your ceiling height is ridiculous, like fraggle rock height, dont you just cut the chimney down?
  15. Scouse30

    Scouse30 Member

    I am going to try and get the chimney cut down again as I had it cut down when I first fitted it.
  16. goldenboy

    goldenboy Super Member

    Have you got wall units either side of it?
  17. goldenboy

    goldenboy Super Member

    If you have then run a flying shelf between the two and put cornice across it.

    Then run the cut down chimney into the flying shelf (dont have to get a perfect cut) and you can vent out with flat channel on the top of the cabinets.

    This I think was one of Wickes cheapest cooker hoods. Around £50. But inside it is a made by Panasonic. I think you could get this a lot close to the shelf if you needed. Maybe 300mm from cabinet top. Might need to mackle the flat channel connectors a bit to get the venting flat on the cabs though.

    Last edited: Aug 2, 2018
  18. kitfit1

    kitfit1 Screwfix Select

    That is very much what i do on 99% of fit's. It's very rare we fit a chimney hood to the ceiling, unless it's over an Island (different hood anyway). For years i just used to cut the bottom of the chimney with a jigsaw and a metal cutting blade. Then the guy that i fit with told me last year (we have been fitting together for 11 years and known each other 18 years) that he had a pair of tinsnips in his toolbox :D. They is in my toolbox now..................because i nicked them and i'm the only one of us that uses them :D. Cut the bottom off of the chimney, if the top dosn't meet the flyover properly, just use packers between the hood and chimney until it does meet nice and snug....................only takes mins with a pair of tinsnips.
  19. goldenboy

    goldenboy Super Member

    Definitely better than messing around trying to cut it perfect or having a huge chimney.

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