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Installing large banners

Discussion in 'Installation Equipment & Techniques' started by juan45215, Jan 14, 2014.

  1. juan45215

    juan45215 Member

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    We will be installing a 17'x8.5' banner below a marquee sign. The vertical supports are I-beams so we cannot drill through them. We are considering using C-clamps, but I'm not confident that they can withstand the wind load. My other thought was to use bungie cords and use the C-clamp to keep them form sliding down. Does anyone have a suggestion.

    Thanks
     
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  2. J Hill Designs

    J Hill Designs Major Contributor

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    first thought would be ratchet straps. does it need to be temp or permanent?
     
  3. anthonyd969

    anthonyd969 President

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    Fairfield, NJ
    I would go with the ratchet straps also or maybe just around the posts. Then possibly bungee off them if needed. Wind Slits also.. Good Luck
     
  4. juan45215

    juan45215 Member

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    thanks

    I didn't think of that. The banner will be up for 2 months
     
  5. ddarlak

    ddarlak Trump Hater

    you are using a mesh banner I hope...
     
  6. Marlene

    Marlene Major Contributor

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    if not do cut some wind slits. is the banner all ready made or still in the planning stage?
     
  7. Gino

    Gino Premium Subscriber

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    • How far apart are the posts.... exactly ??
    • Is it 1 or 2 sided ??
    • What weight are you intending to use ??
    • Digital print or die-cut lettering ??
    • How are you finishing off the hems and corners ??
     
  8. juan45215

    juan45215 Member

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    Banner specs

    Plan on using 18oz material.
    The post are 16' a part
    2 sided but we're using 2 banners
    Gussets in the corners
    Digital print

     
  9. BobCap

    BobCap Member

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    Jan 12, 2009
    Gilobert, MN
    Beams?

    Use beam clamps on the beams and attach the banner to them.

    Do a google search for "Beam Clamp"

    We use them for all types of rigging.

    Bob Cap
    AAI
    Gilbert, MN
     
  10. Gino

    Gino Premium Subscriber

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    Okay, one more........ is this banner 17' up and down... or sideways ??

    In other words, how do you figure to fit a 17' sign between a 16' opening unless it's gonna hang down 17' ?? Therefore, you'll have one heck of an ordeal.
     
  11. juan45215

    juan45215 Member

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    measurements

    Ok. The space between the post is 16'7". The banner is 16' wide 8' tall.
     
  12. Gino

    Gino Premium Subscriber

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    Run two metal stranded cables at 10' apart. Make sure they are very taut. Use spring clips in the hem of the banner. Make sure the banner hem is double, if not triple stitched, with heavy gussets in the corners. Slip the spring clips over the top cable and the bottom cable. Tie off each corner to make sure the banner doesn't travel back and forth at all.

    This banner is over 120 square feet and that's a lota sail, so it better be anchored and secured mighty good or you'll have problems.
     
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