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Bathroom wet UFH floor buildup

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Onto the next one! Turns out the 20m of 16mm pipe I had left didn't give me enough to get under the shower tray but hey ho. Used the huge notches the previous owner made in my joists to pass though rather than add in my own. 25mm acoustic insulation, 75mm PIR then 50mm rockwool under the spreader plates. 

 

Dabbing the insulated tile backer boards onto the external wall next 💪🏻

IMG_20260711_160855.jpg

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  • Russell griffiths
    Russell griffiths

    Wera do a pz2 bit that has a collar on the bit holder so you can’t sink them in past flush. 

  • Nickfromwales
    Nickfromwales

    Go for spreader plates, but allow some rockwool under them, atop the PIR, so the plates are sprung upwards slightly. Then, when you screw the 22mm P5 deck down there will always be great surface conta

  • Nickfromwales
    Nickfromwales

    Yup. Let’s be honest, if you’re ‘accessing’ the plywood you’ve smashed all the tiles up and binning them so are ‘all in’.    If you want the tiles to stay down, you go ‘all in’ on the installat

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