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Can piers be built from hollow blocks?

Discussion in 'Building' started by nuzuki, 19 Jun 2017.

  1. nuzuki

    nuzuki

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    Im wondering if piers can be built from 6 or 9inch hollow blocks or is it only limited to the 4inch solid blocks?

    Thanks
     
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  3. r896neo

    r896neo

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    What is the pier for? If its internal then presumably load bearing so hollows are no use.

    If its for external then they would need rendered and hollow blocks aren't great for that.
     
  4. nuzuki

    nuzuki

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    It is for strengthening a doorway. The wall will be built with 6inch hollows filled with concrete and I would like to make the openings a tad stronger. Is there a way 6inch and 4inch blocks can be used together? i.e. mix n matched
     
  5. tomfe

    tomfe

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    6inch are plenty strong enough.
     
  6. nuzuki

    nuzuki

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    Ok thanks Tomfe for the reply.

    Out of interest I have another build where 4inch solid blocks are used on a doorway. How would you go about adding a pier to this doorway? Or should I just bolt a wooden post on either side?
     
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  8. tomfe

    tomfe

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    Lay them flat for the door edge every other course. You could use a wooden post but block would be better. This does all depend on what you are building and if you have to build to building regs etc. If you want a smaller pier you can use bricks.
    hqdefault[1].jpg
     
    Last edited: 20 Jun 2017
  9. nuzuki

    nuzuki

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    Thanks Tomfe. What if you wanted to strengthen an existing doorway that has been finished already but just requires "beefing up". I see those wall starter plates in toolstation/screwfix but I get the feeling im going to have to remove the door, the frame, acro prop the lintel and cut some blocks out to do what you have pictured above.
     
  10. tomfe

    tomfe

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    Is this a new wall? Or an existing building if so for how long?
     
  11. nuzuki

    nuzuki

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    The wall/building is 3years old. I was advised that I should have piers around the doorway so its an afterthought. The doorway is a half brick wall (4inch concrete blocks) with concrete lintel on top.
     
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