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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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trickle ventilation in toilet - no outside walls
I am putting in a small cloakroom style toilet room with WC and basin.
Extractor fan via kitchen to outside. Purge ventilation via hallway and front door. But, how can you provide trickle ventilation in this situation ? I guess an ensuite is similar, but I dont know if the same rules apply. Thanks, Simon. |
#2
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trickle ventilation in toilet - no outside walls
sm_jamieson coughed up some electrons that declared:
I am putting in a small cloakroom style toilet room with WC and basin. Extractor fan via kitchen to outside. Purge ventilation via hallway and front door. But, how can you provide trickle ventilation in this situation ? I guess an ensuite is similar, but I dont know if the same rules apply. Thanks, Simon. Do you need to? |
#3
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trickle ventilation in toilet - no outside walls
Tim S wrote:
sm_jamieson coughed up some electrons that declared: I am putting in a small cloakroom style toilet room with WC and basin. Extractor fan via kitchen to outside. Purge ventilation via hallway and front door. But, how can you provide trickle ventilation in this situation ? I guess an ensuite is similar, but I dont know if the same rules apply. Thanks, Simon. Do you need to? Yes. But its catered for simply by having a a 'leaky' door There is some building regs figure for vents in doors and suchlike that covers this case. |
#4
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trickle ventilation in toilet - no outside walls
On 1 June, 23:40, The Natural Philosopher
wrote: Tim S wrote: sm_jamieson coughed up some electrons that declared: I am putting in a small cloakroom style toilet room with WC and basin. Extractor fan via kitchen to outside. Purge ventilation via hallway and front door. But, how can you provide trickle ventilation in this situation ? I guess an ensuite is similar, but I dont know if the same rules apply. Thanks, Simon. Do you need to? Yes. But its catered for simply by having a a 'leaky' door There is some building regs figure for vents in doors and suchlike that covers this case. OK thanks. Only trying to cover all bases on the spec, since BCO was fussy last time about missing info. Cheers, Simon. |
#5
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trickle ventilation in toilet - no outside walls
The Natural Philosopher coughed up some electrons that declared:
Yes. But its catered for simply by having a a 'leaky' door There is some building regs figure for vents in doors and suchlike that covers this case. Vents as opposed to the natural gap under the door? Personally I wasn't going to bother - the doors on mine will be leaky enough without any extra help. Cheers Tim |
#6
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trickle ventilation in toilet - no outside walls
On 2 June, 09:08, Tim S wrote:
The Natural Philosopher coughed up some electrons that declared: Yes. But its catered for simply by having a a 'leaky' door There is some building regs figure for vents in doors and suchlike that covers this case. Vents as opposed to the natural gap under the door? Personally I wasn't going to bother - the doors on mine will be leaky enough without any extra help. Cheers Tim I had assumed gaps under doors would be sufficient. Its a bit weird with a toilet, as noise insulation regs and trickle vent regs are in conflict. I'll put some general statement on the spec as "blah blah will be provided", and then do nothing and see if BCO says anything. I wonder it trickle vent could be supplied via the extractor fan route. I reckon there would be some leakage there anyway, surely ? Simon. |
#7
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trickle ventilation in toilet - no outside walls
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#8
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trickle ventilation in toilet - no outside walls
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#9
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trickle ventilation in toilet - no outside walls
Tim S wrote:
The Natural Philosopher coughed up some electrons that declared: Yes. But its catered for simply by having a a 'leaky' door There is some building regs figure for vents in doors and suchlike that covers this case. Vents as opposed to the natural gap under the door? Personally I wasn't going to bother - the doors on mine will be leaky enough without any extra help. Probably good enough then. I think the 'vents must be high' bollox doesn't apply to internal ventilation. Cheers Tim |
#10
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trickle ventilation in toilet - no outside walls
On Mon, 1 Jun 2009 12:04:17 -0700 (PDT), a certain chimpanzee,
sm_jamieson randomly hit a keyboard and produced: I am putting in a small cloakroom style toilet room with WC and basin. Extractor fan via kitchen to outside. Purge ventilation via hallway and front door. But, how can you provide trickle ventilation in this situation ? When you say, "extractor fan via kitchen", you do mean through a duct to the outside I hope? Similarly, purge ventilation has to be directly to the outside, not via a hall. If you have a windowless WC, you need a 6 litres/sec fan to the outside with a 15 minute over-run. -- Hugo Nebula "If no one on the Internet wants a piece of this, just how far from the pack have you strayed?" |
#11
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trickle ventilation in toilet - no outside walls
Hugo Nebula wrote:
On Mon, 1 Jun 2009 12:04:17 -0700 (PDT), a certain chimpanzee, sm_jamieson randomly hit a keyboard and produced: I am putting in a small cloakroom style toilet room with WC and basin. Extractor fan via kitchen to outside. Purge ventilation via hallway and front door. But, how can you provide trickle ventilation in this situation ? When you say, "extractor fan via kitchen", you do mean through a duct to the outside I hope? Similarly, purge ventilation has to be directly to the outside, not via a hall. Er no, that bit doesnt. If it means what I think it does. If you have a windowless WC, you need a 6 litres/sec fan to the outside with a 15 minute over-run. Something along those lines, and that's just to meet regulations. Now when the cats crap in it... |
#12
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trickle ventilation in toilet - no outside walls
On 3 June, 20:17, The Natural Philosopher
wrote: Hugo Nebula wrote: On Mon, 1 Jun 2009 12:04:17 -0700 (PDT), a certain chimpanzee, sm_jamieson randomly hit a keyboard and produced: I am putting in a small cloakroom style toilet room with WC and basin. Extractor fan via kitchen to outside. Purge ventilation via hallway and front door. But, how can you provide trickle ventilation in this situation ? When you say, "extractor fan via kitchen", you do mean through a duct to the outside I hope? Similarly, purge ventilation has to be directly to the outside, not via a hall. Er no, that bit *doesnt. If it means what I think it does. Extractor via duct through kitchen, yes. Although I heard of an extractor fan through the kitchen window, into the conservatory ! Of course fan there before the conny was. 2 rooms can be taken together for purge ventilation if one does not have windows (just checked in the approved doc) So I can purge vent the toilet through the hall but perhaps not via 2 other rooms. If you have a windowless WC, you need a 6 litres/sec fan to the outside with a 15 minute over-run. Something along those lines, and that's just to meet regulations. Now when the cats crap in it... Some fan with overrun yes. Don't think a tiny bog needs 15 min over- run in reality. How many air changes is that ? Simon. |
#13
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trickle ventilation in toilet - no outside walls
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#14
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trickle ventilation in toilet - no outside walls
On 4 June, 20:44, Hugo Nebula abuse@localhost wrote:
On Wed, 3 Jun 2009 15:48:00 -0700 (PDT), a certain chimpanzee, randomly hit a keyboard and produced: 2 rooms can be taken together for purge ventilation if one does not have windows (just checked in the approved doc) So *I can purge vent the toilet through the hall but perhaps not via 2 other rooms. And no door between the two. How exhibitionist are you? Ha ha. I had thought of a single door that is a toilet door in one position and a kitchen door in the other ! Some fan with overrun yes. Don't think a tiny bog needs 15 min over- run in reality. How many air changes is that ? That's what it says in the AD, and if you want your plans passing, it's best to say that. Most fans come with a variable timer, usually from one or two minutes to 20. Set it to 15 until the BCO signs off your work, then set it to whatever is needed to get rid of the smells. -- Yep, I'll put that in the spec. Cheers, Simon. |
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