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Heating and cooling: Flat and low profile ducting

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  1.  
    • CommentAuthorTriassic
    • CommentTimeMar 24th 2015
     
    I'm trying to lay out my MVHR ducting and because of a concrete beam and block 1st floor, so I'm looking to locate the ducting in the ceiling space below the beam and block floor, without loosing too much head space. Having looked on-line I see that flat rectangular box sections are available. Has anyone got any experience of using low profile ducting?
    • CommentAuthorDarylP
    • CommentTimeMar 24th 2015
     
    Well, the lp ducting is good, if you can accommodate the rigid sections, and tape/seal joints well.
    'lay flat 204 x 60 IIRC seems readily available, and can be slotted in 'flat' and then 'popped out' when in situ.

    However I would go for the 75mm semi-rigid every time, given all things equal...

    Good luck:smile:
    • CommentAuthoratomicbisf
    • CommentTimeMar 24th 2015
     
    I used the flat 225mm rigid Pvc ducting for an unusually thin wall where 204 would not fit. For a single room the capacity is probably a little low, but it was that or nothing.

    Ed
    • CommentAuthortony
    • CommentTimeMar 24th 2015
     
    Cooker hood ducting works nice or even no duct use the void and fit terminals in the ceiling to control the flow

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