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Small Shower Room Ventilation.

Zoomup
I was talking to a developer this morning. His son is a sparks. The two have installed a new 4 inch ceiling fan in a small upstairs shower room that has no windows. The building roof has been renewed recently and new breathable "felt" installed under the tiles. I had previously mentioned that the roofers could install a new roof vent for the fan ducting, but nothing has been done about this.


The developer says that the son advises terminating the air duct in the loft onto a bucket to catch moisture, which I said was not acceptable.


Bearing in mind that the new roofing "felt" (membrane) is breathable, is there any reason these days not to terminate the air duct directly into the loft space with no external grille?


Z.
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    davezawadi (David Stone): 
     

    The reply box has changed again!!!

    Yes, and not for the better!

    As DZ says, if there is not adequate ventilation, a flue will not draw and your fire simply will not get going. The adjustment in my wood-burner is quite remarkable - it is almost as instantaneous as a control on a gas cooker. So if I cut off the air, the fire goes out. Hardly surprising really!

    I suspect that a greater risk arises from partial blockage of the flue.

  • 0

    Zoomup: 
     

    Sparkingchip: 
    How is the Aga heated?

    The fuel is oil.

     

    Z.

     

    It sounds like there’s some issues.

  • 0

    Sparkingchip: 
     

    Zoomup: 
     

    Sparkingchip: 
    How is the Aga heated?

    The fuel is oil.

     

    Z.

     

    It sounds like there’s some issues.

    There certainly are  in my opinion. I have stressed the need to take and act upon expert advice in this matter of good air supplies to rooms with fuel burning appliances, so the ball is in the house owner's court now. He admitted fitting extractor fans in upstairs bathrooms in his rental properties that just vent into the loft. He said that he will be dead before the problems come to light.

     

    Z.

  • 0

    He said that he will be dead before the problems come to light.

    so his home installation is even more dangerous, or he is well stricken in years.

    Not very responsible.

    Mike.

  • 0

    Fault finding domestic ventilation is like electrical fault finding, test it before you start then test it when you finish so you know you have identified and corrected  the issues. 

    Domestic ventilation is not difficult to design and install, but most people who install it skimp on time and materials taking what they see as the easiest option resulting in a system that is not fit for purpose.

    This results in requests to fit more powerful fans, when there’s not actually anything wrong with the one has already been installed.

    Though sometimes the issue isn’t always immediately obvious or due to bad installation,  like most things the systems do need cleaning and maintenance to keep them working correctly.

     

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