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Bonding polymetal to concrete?

Discussion in 'General Signmaking Topics' started by Marie, May 16, 2018 at 10:46 AM.

  1. Marie

    Marie Member

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    Any suggestions for adhesive (or VHB tape) to use for mounting a 16"x68" polymetal (brushed gold) sign to an exterior smooth concrete face? Thanks!
     
  2. Gino

    Gino Major Contributor

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    Why not physical fasteners ??
     
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  3. Billct2

    Billct2 Major Contributor

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    VHB foam tape & lexel or poly construction adhesive
     
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  4. Marlene

    Marlene Major Contributor

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    Is this concrete new or old? Painted or not painted? Smooth or rough? If older, painted and smooth, VHB and construction adhesive should be OK. I would do physical fasteners on concrete no matter what but if you can't I'd be sure that the concrete surface can deal with adhesive.
     
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  5. Creighton

    Creighton New Member

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    Keep in mind your human traffic and pedestrian safety. That might determine what you're comfortable with if the sign is elevated over a foot traffic area.
     
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  6. JTBoh

    JTBoh Member

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    Clermont, FL
    Also -
    IIRC brushed gold will fade to silver in direct sunlight - I'm trying to remember how my brain thought this but I'm pretty sure it's a fact from sometime over the last 10 years.

    source: brain
     
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  7. shoresigns

    shoresigns Active Member

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    We use Tesa 7065 tape from Grimco for mounting metal signs on concrete walls. We've used it enough to be quite confident with it – no failures yet. It's strong enough that we warn customers it may take some of the concrete with it when the sign is removed.
     
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  8. shoresigns

    shoresigns Active Member

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    Nov 1, 2011
    Vancouver, BC
    Correct. Polymetal brushed gold will fade to silver in the sun, and is therefore recommended by the manufacturer for indoor use only.
     
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  9. Rick

    Rick Certified Enneadecagon Designer

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    Valle Vista
    For hidden fasteners, I physically attach a backer to the concrete - then attach the sign panel to the backer using a combination of tape and adhesive...
     
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  10. CanuckSigns

    CanuckSigns Very Active Member

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    Ontario
    Yes, don't ask me how I know this, I have to drive by my mistake every day...
     
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