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Thread: How much vinyl is too much vinyl for an upstairs room?

  1. #31
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 40,122
    I'm Geoff.

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    Of course nobody has taken unseen dry rot or woodworm into account. It does happen and any calculations go out of the window then.

    Just hoping to cover all bases here (and put the fear of God up you ) .
    "when common sense, logic and plausibility are excluded. All that remain are foolishness and lies"

  2. #32
    Join Date: Jan 2009

    Location: Essex

    Posts: 20,297
    I'm openingabottleofwine.

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    Quote Originally Posted by Macca View Post
    No normal wooden floor would support 3800 kilos even spread across a metre square so there's something not quite right there.
    The operative word here is 'equivalent'.

    I may have underestimated the size of a footprint: but if we assume a full square foot (0.093m2, and clearly an overestimate), the equivalent pressure is 817Kg/m2.

    To be perfectly honest, I don't really know what the quoted figure of 153Kg/m2 means. But in terms of the 225Kg of record storage, being an excessive structural load or not, since this is equal to the weight of three human adults - if these adults can congregate in the room and not feel the floor flexing, then all will be well.
    Last edited by Barry; 18-05-2019 at 18:03. Reason: Addition
    Barry

  3. #33
    Join Date: Nov 2011

    Location: Gold Coast - Australia

    Posts: 76
    I'm Sam.

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    i keep my vinyl some vintage cedar cabinet thingy, not sure what you call it

    here's a look at it

    Amps: Technics SU-V9, SU-V8 (black and silver), V8X, V4X ( 2 black, 1 silver) , G50 and SU-500
    Source:Technics SL-P990, P350, P477a,PG440a, Marantz CD40, NEC CD620 - TDA1541A, Philips CD753, Klein DAC, tuner and turntables Technics
    Speakers: Technics SB-6, Coral CX-5, ESM bookself (seas tweeters), Celestion Sl-6 (copper domes)

  4. #34
    Join Date: Nov 2014

    Location: Caterham,Surrey

    Posts: 49
    I'm Stewart.

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    Don't forget to take into account how many Heavy Metal albums you have.

  5. #35
    Join Date: Jan 2009

    Location: Essex

    Posts: 20,297
    I'm openingabottleofwine.

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    Quote Originally Posted by legb4rsk View Post
    Don't forget to take into account how many Heavy Metal albums you have.
    Barry

  6. #36
    Join Date: Apr 2012

    Location: London

    Posts: 523
    I'm James.

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    As was mentioned before why not buy some brackets and rawlbolt them to the wall? Cost less than an engineer and no doubts about collapse.

    Sent from my BLA-L09 using Tapatalk

  7. #37
    Join Date: Mar 2014

    Location: West Wales

    Posts: 418
    I'm malcolm.

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    Quote Originally Posted by Jazid View Post
    As was mentioned before why not buy some brackets and rawlbolt them to the wall? Cost less than an engineer and no doubts about collapse.

    Sent from my BLA-L09 using Tapatalk
    Just take care that, given the age of the property, that the mortar between the bricks could be lime/ash which doesn't give good fixings and the bricks could loosen.
    Audiophile Tosher

  8. #38
    Join Date: Apr 2012

    Location: London

    Posts: 523
    I'm James.

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    Ok, use chemical bolts. Still cheaper than a structural engineer

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  9. #39
    Join Date: Apr 2015

    Location: Central Virginia

    Posts: 1,513
    I'm Russell.

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    Iíve got about 200 records on a 3/4 inch shelving board about a meter long, and it doesnít sag. Iím sure youíve got nothing to worry about.

    Russell

  10. #40
    Join Date: Jan 2008

    Location: Out on the wild and windy moors Lancs / Yorks Border

    Posts: 425
    I'm Andy.

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    Crickey you turn away for 5 minutes and the thread goes wild LOL

    Ok to try and answer some of the questions raised

    When designing the British Standard for domestic loading is 1.5kN/m2 superimposed load (does not include self weight) Remember this is 153kg on each and every m2 of the subject room. Chances are the actual load will be a lot less than this Locally higher loads are then shared by the construction ie boards span between joists spreading the load over several joists. So two two big fat blokes having a conversation may locally exceed 153kg/m2 but that load will spread across several joists and will likely be a fairly temporary load. No one ever mentioned overload causing collapse. The British Standard loading will include a factor of safety on those loads too.

    So you treat the blanket imposed load as a guide to know whether you need to check the floor any further.

    In my instance a quick check based on the blanket load shows that under my record storage 5 high Ikea units with say 60 albums per module so 300 albums (Albums generally weight about 2.8kg per 10 albums) over an area of 0.415m x 0.39m shows an imposed load of about 5kN/m2 which is 3.3 times more than the blanket allowance. However you then have to consider the actual stress in each floor joist under that loading condition which is a function of the joist size, its spacing and its span. In my case even under 5kN/m2 loading my floor joists are adequate.

    So in essence use the 153kg/m2 allowance as a guide but if it is exceeded then it may need a bit of further checking.

    Hope that explains it a little better
    Analogue
    301 / 3012 / 2m black
    401 / PU7 / AT33ev / Highphonics SUT
    NVA Phono 2 + PSU X 2
    Digital
    Vortexbox, SBT / Teac Dac
    Cambridge CXC
    Amps
    Tron Seven Linestage, Glasshouse TVC or Quad 44
    Quad 303, or Bel Canto Set 40 or NG 300B Set Monoblocks
    Speakers
    Tannoy GRF Memory.
    Tannoy ST100.

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