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install sign post in concrete or asphalt

Discussion in 'Product and Supplier Referrals' started by bigben, Nov 19, 2020.

  1. bigben

    bigben Very Active Member

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    What is the ''standard'' way to install a metal u-post in concrete or asphalt? I have a post driver for soft ground, but there is no way it would work in concrete or asphalt. How should I proceed or what tool I need? Thanks.
     
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  2. Gino

    Gino Premium Subscriber

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    Either a small jack hammer or a large SDS type of core drill. They can go up to 6" diameter.
     
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  3. Johnny Best

    Johnny Best Very Active Member

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    Rent a core drill from Home Depot, bring water hose and some quick set concrete or epoxy to fill.
     
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  4. pjfmeister

    pjfmeister Member

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    I've banged several of these directly through asphalt with our post drivers....we have oversized custom made post drivers to drive them through our rocky hard ground and usually the asphalt is the easy part to get through HA. Concrete I would say you are out of luck without cutting the concrete.
     
  5. bigben

    bigben Very Active Member

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    Thanks for the info. I see often on the road that post seems just stick directly in asphalt or concrete. I was wondring how they to that.
     
  6. 2B

    2B Very Active Member

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  7. CanuckSigns

    CanuckSigns Very Active Member

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    Core drill a hole with a 4 inch bit, install the post then put concrete in the hole.
     
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  8. Texas_Signmaker

    Texas_Signmaker Very Active Signmaker

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    I use an SDS drill and fill it back with concrete.
     
  9. CanuckSigns

    CanuckSigns Very Active Member

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    If its only a few to be installed in concrete, look into the bold down bases, way less expensive then renting a core drill or hiring a company.

    For asphalt if you have a sleeve pounder it should go through it relatively easily. But if you have a bunch, do yourself a favour and rent a gas powered post pounder!
     
  10. Simon Nussbaum

    Simon Nussbaum Beautiful Signs for a Better Planet

    If you're in a cold area with the asphalt you can heat it up with blow torch first and then pound through. Save some time and it looks cleaner. For concrete I agree with canuck, the bases are a good way to go. For concrete it's always smart to know if there is anything structural going on with where you are installing and if it is pre-stressed or not. If it's just a pad do whatever but be careful in parking garages, etc., about drilling too deep.
     
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