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Sandblasting brick

Discussion in 'Other Off Topic Forum' started by bpu699, Aug 17, 2005.

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  1. bpu699

    bpu699 F1 World Champ
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    #1 bpu699, Aug 17, 2005
    Anyone have any idea what it costs per square foot? I am having a tough time finding someone to do this. I have sandblasting equipment, but doing 3000-4000 sq ft might take a while...not sure I want to expose myself to that much silica...:)

    I got a quote for 4$/ft - which seems ludicrous...add another 1$ and I can frame/insulate/drywall the same area!
     
  2. Glassman

    Glassman F1 World Champ
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    #2 Glassman, Aug 17, 2005
    Sand blasting brick is not a good idea. It will remove the glaze and cause the brick to crumble.
     
  3. robert biscan

    robert biscan F1 Veteran
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    #3 robert biscan, Aug 17, 2005
    I agree that sandblasting is a bad idea. Why do you want to do it?
     
  4. bpu699

    bpu699 F1 World Champ
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    #4 bpu699, Aug 18, 2005
    The brick is being sandblasted on an inside wall. The mortar is 100+ years old, and partly crumbling, dusty. Brick is discolored. This is being done for cosmetic reasons... The mortar 1/4 inch deep is solid. Not much point tuckpointing an interior wall.

    This is very commonly done on old historic buildings (think NYC lofts, etc)...

    Washing the brick does not get rid of loose particles, and they will forever be landing on the ground/carpeting,etc...

    I am open to other ideas on brick prep, if anyone has done it?
     
  5. bpu699

    bpu699 F1 World Champ
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    #5 bpu699, Aug 18, 2005
    The brick is being sandblasted on an inside wall. The mortar is 100+ years old, and partly crumbling, dusty. Brick is discolored. This is being done for cosmetic reasons... The mortar 1/4 inch deep is solid. Not much point tuckpointing an interior wall.

    This is very commonly done on old historic buildings (think NYC lofts, etc)...

    Washing the brick does not get rid of loose particles, and they will forever be landing on the ground/carpeting,etc...

    I am open to other ideas on brick prep, if anyone has done it?
     
  6. Artherd

    Artherd F1 Veteran

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    #6 Artherd, Aug 18, 2005

    Hire some $10/hr laborers and have then run your kit. (make sure you have a huge air compressor and use a good respirator!)
     
  7. bpu699

    bpu699 F1 World Champ
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    #7 bpu699, Aug 18, 2005
    Ben, I cant find the respirators ANYWHERE. Tried sears, home depot, menards, granger, industrial supply houses, etc...

    Any idea where to look? If I can find it, I will definitely hire folks...
     
  8. 356racing

    356racing Formula Junior

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    #8 356racing, Aug 18, 2005
    Try automotive paint supply houses for the respirators.
     
  9. Artherd

    Artherd F1 Veteran

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    #9 Artherd, Aug 18, 2005
    Home Depot should have silica rated respirators.

    I bought one there once rated for Haunta Virus (as a gag gift for a friend of mine :)

    This is a good full-face (eye protection too) respirator, infact I have a few of these : http://www.homedepot.com/prel80/HDUS/EN_US/diy_main/pg_diy.jsp?CNTTYPE=PROD_META&CNTKEY=misc%2fsearchResults.jsp&BV_SessionID=@@@@0390062308.1124425104@@@@&BV_EngineID=cccladdfhgihemlcgelceffdfgidgll.0&MID=9876


    Here they want you to use a pressurised (basically SCUBA suit) respirator with exterior ventelation if you are in huge concentrations.
    http://www.ccohs.ca/oshanswers/chemicals/chem_profiles/quartz_silica/personal_qua.html
     
  10. bpu699

    bpu699 F1 World Champ
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    #10 bpu699, Aug 19, 2005
    Ben, I have most of the home depot respirators. Have used them for lots of things, including small part sand blasting. Each of these states in the warning panel "NOT TO BE USED FOR SANDBLASTING."

    I suspect this has more to do with the filter getting clogged quickly then with inefficiency. If they are good enough for mold/fumes/asbestos, the I can't believe it wouldn't filter silica...

    For this job though, I need an air exchange apparatus...
     
  11. wrecktech

    wrecktech Formula Junior

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    #11 wrecktech, Aug 19, 2005
    Automotive paint store will have them. You can buy a fresh air respirators that filters air from your compressor and runs it to a face shield hookup. About $1,000 if I remember correctly.
     
  12. Artherd

    Artherd F1 Veteran

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    #12 Artherd, Aug 19, 2005

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