making walls photo sensitive

Discussion in 'Alternative Techniques & Photo Gallery' started by trancemammal, Dec 23, 2007.

  1. trancemammal

    trancemammal TPF Noob!

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    Dear Forum,
    I was wondering if there is a way to make a wall photo sensitive so as to be able to print/expose directly on the surface of the wall? If this is possible what exactly do I need to treat the surface with and can I expose it with a digital projector using a negative image so as to get the positive on the surface of the wall? I would greatly appreciate any suggestions or advice? I hope I'm posting this in the right place. o0o0o also would using a diffuser of sort blend the evident pixel-ation
     
  2. doobs

    doobs TPF Noob!

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    Liquid Emulsion
     
  3. ScottS

    ScottS TPF Noob!

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    Even if you could do that, how do you plan on developing that?
     
  4. trancemammal

    trancemammal TPF Noob!

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    well i know little about photography and I'm not sure how liquid emulsion can be applied to a large surface to achieve the transfer but is it possible to apply it, the developer and fixer to the surface with a spray gun much like the ones used in air brushes or paint sprayers?
     
  5. eravedesigns

    eravedesigns TPF Noob!

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    sounds like a mess. your better off getting a picture printed on long srips from a printer and then wallpaper gluing them up. If you get it printed on cheap paper and stuff it prob wouldnt be too expensive.
     
  6. frXnz kafka

    frXnz kafka TPF Noob!

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    Possible, maybe (I don't know, I'll someone else chime in on that). But unless you're doing this on a concrete wall over a concrete floor, you're going to ruin both your wall and your floor.
     
  7. eravedesigns

    eravedesigns TPF Noob!

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    yea i got a feeling that the acid in some of those chemicals or the base might cause the dry wall to crumble or the paint to come off your existing wall. please say what surface you are doing this on.
     
  8. trancemammal

    trancemammal TPF Noob!

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    its going over lime (calcium hydroxide) based whitewash which is on a brick wall and I'm not worried about the wall or floor. its in a warehouse building thats about 70 years old and is being remodeled
     
  9. Sideburns

    Sideburns TPF Noob!

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    You could definitely do it...but the chemicals would cost a fortune, you'd need TONNES of it.
    Also, you'd have a huge problem with the fact you gotta collect all the chemical as it falls off the wall. Can't just pour it down the drain...

    I don't think the spraygun would be the best idea, cause if you don't stop it fast enough, or don't get an even fix...then your photo is gonna look weird. Maybe firehoses? lol
     
  10. trancemammal

    trancemammal TPF Noob!

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    so that would be a no
     
  11. shorty6049

    shorty6049 TPF Noob!

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  12. doobs

    doobs TPF Noob!

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    1. Cover the wall in Liquid Emulsion. (Paint with paint rollers; paint as if it was normal wall paint, imo)
    Q. Enlarge negative with enlarger laid on it's side (I've only seen one enlarger capable of covering an entire wall decently and that was this mammoth 8x10 enlarger)
    3. Expose for desired time
    17. Paint on developer with rollers.
    5. Paint on stop bath.
    65. Paint on fixer.
    4. Paint water (or throw on with buckets) onto the wall repeatedly until wall/print is washed off.
    h. Dry with enormous warehouse fans.
    8. Enjoy crappy wall print.

    :3

    Make sure to do under a safelight!
     

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