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Best insulation with only 50mm> to play with....help!...

Discussion in 'Floors, Stairs and Lofts' started by r6deano, 10 Feb 2021.

  1. r6deano

    r6deano

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    Afternoon everyone hope all is well.

    Would appreciate some advice, not come across this scenario before.

    After major renovation, we're left with a utility room adjacent to the kitchen. The utility area is the rear section of the old garage, a concrete slab no insulation. Currently, from the kitchen there's a step down (slab, 100mm+ pir, 40mm anhydrate screed, underlay, laminate) to the concrete slab of utility.

    The utility floor is 40mm lower, and ideally I'd like the two floors to be even/slight slope to utility. not really giving me much room for decent insulation. Want it as a working utility for clothes drying so if I can tweak it to give better efficiency, great.

    What would your best solution be in this scenario? Currently, I'm at bedding down 30/50mm insulated tile backer boards, and tiling on top.

    I could joist out with 3x2 on the long edge and put 40mm pir, but then a 22mm chip board on top would give me nearly 70mm height plus finished floor.

    Either two above with an electric ufh mat high output, and a electric panel heater low down on wall.

    Flexible on what finished floor can be.

    TIA for any advice people :)
     
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  3. Swwils

    Swwils

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    If money is not an issue you could consider a VIP solution.

    I think kingspan claim 0.007 W/mK for their VIP solid floor retrofit solution.
     
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  4. foxhole

    foxhole

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    You are drying clothes indoors?
     
  5. r6deano

    r6deano

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    erm, in the winter months, yes? Is that unusual? family home, want somewhere for the clothes horse/airer to dry wash loads, eg oct thru march.
    ty
     
  6. JohnD

    JohnD

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    he's going for electric UFH, so obviously rolling in it.
     
  7. JohnD

    JohnD

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    Where will the water go?
     
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  9. TomHD

    TomHD

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    You talk as if drying clothes indoors is unusual.
     
  10. TomHD

    TomHD

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    Not unusual at all. I've always done it, my parents always used to do it.
     
  11. SFK

    SFK

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    Tom,
    This forum gets a lot of people with damp, condensation and mildew issues on internal walls.

    And generally best (and most given) advice is to reduce water vapour in air by not drying clothes in house, and boiling food on stove without lids.

    Hence why it was asked as might be a future issue.
    Sfk
     
  12. r6deano

    r6deano

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    Well we have an ashp, as no mains gas where we are, plus the elec ufh is to take the chill off the flooring. Not really bothered about a 7m2 being fully heated. But thanks for the helpful reply tho :p

    I have an MVHR system that will expel the humid air.

    Yep, I don't see many clothes out on peoples washing lines at the moment, curious as to how foxhole and JohnD are drying their washing currently - perhaps they only do it seasonally though ! :p:ROFLMAO:

    Makes sense. Although, hanging clothes to dry from damp on rads/airers has been the only method I'm used to. Can't have that tumble dryer constantly on - I'm not made of money you know! :LOL:
     
  13. foxhole

    foxhole

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    Tumble dryer cheaper than damaging your health . Have never dried any clothes indoors .MVHR in unlikely to cope with the amount of moisture produced.
     
    Last edited: 12 Feb 2021
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  14. TomHD

    TomHD

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    Never been a problem for me or anyone I know.
     
  15. DIYnot Local

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