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    dannac's Avatar
    dannac Posts: 267, Reputation: 9
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    #1

    May 7, 2013, 04:17 AM
    Cap the top of cinder blocks ?
    I have a single cinder block wall (approx 40') I will fill the holes with ready mix concrete. I want to cap the top with something smooth.



    Do I use plain mortar, mortar mixed with sand, etc ?

    Any advise appreciated.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    May 7, 2013, 09:05 AM
    They sell flat 2" cap blocks, easier than filling and contouring. If appearance is the issue, use a sand mix, keep it fairly dry and contour with a float.
    dannac's Avatar
    dannac Posts: 267, Reputation: 9
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    #3

    May 7, 2013, 09:50 AM
    Thanks for reply.

    Went to loews this morning and saw the 2" cap you mentioned.
    They were in a different spot then where I purchased the cinder blocks so was not aware of them till this morning,

    But this wall will be walked on and sat on occasionally so I do not want the blocks to move.

    So I would have to fill holes and set cap blocks in mortar ?
    Or
    Fill holes and make my own cap with mortar ?

    What you think ?
    smoothy's Avatar
    smoothy Posts: 25,490, Reputation: 2853
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    #4

    May 7, 2013, 09:57 AM
    Just use mortar toset the caps likke you are putting more block or bricks... no filling needed... they won't be going anywhere for a long, long time.
    dannac's Avatar
    dannac Posts: 267, Reputation: 9
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    #5

    May 7, 2013, 10:08 AM
    Thanks smoothy, but I don't get it.

    What's to keep the mortar from falling into the cinder block holes ?
    smoothy's Avatar
    smoothy Posts: 25,490, Reputation: 2853
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    #6

    May 7, 2013, 10:39 AM
    You put the morar on the ends of the block... in an inverted "V"... just like you are building a brick or block wall. Here is a video clip.

    http://www.youtube.com/watch?v=SSnBWMwQXgk

    You do the same thing with the cap...
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #7

    May 7, 2013, 11:20 AM
    You just put the mortar along the edges like you lay block and set them in it.
    dannac's Avatar
    dannac Posts: 267, Reputation: 9
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    #8

    May 7, 2013, 11:24 AM
    Ah ha... thanks guys.

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