Long Lasting Concrete Patch

16 responses

  1. Frank
    March 5, 2013

    This is great information and concise. You are a true help. Thanks.

  2. Pat
    February 28, 2014

    Hi the cement on the side wall of my exterior steps has broke loose, under neath is stone and gravel. It was repaired a few years ago and now has loosened again . How can I properly repair this wall so it lasts?

    • Tim Carter
      February 28, 2014

      Pat, did you use the search engine at my site and find the columns about using epoxy to fix concrete? Try again!

  3. Michael Fajoni
    August 10, 2014

    Hi. Great article. How about I add some epoxy to the rebar support. I plan to leave 3-4" for the patch to the old concrete. How far apart should I place the rebar supports. Thanks

  4. peter
    December 16, 2014

    Please, I would like to know is there an additive to make paint stronger?

    I would like to take exterior or even interior house paint and make it strong enough to paint a concrete driveway.

    thank you,


    • Tim Carter
      December 17, 2014

      Peter, have you not seen Epoxy Paints???????

  5. Jim Murphy
    October 5, 2015

    Excellent information.very thorough.Thankyou

  6. A.Smith
    October 16, 2015

    Thanks for not keeping this info to yourself, I had did a floor that dips from 2" to zero I drove rebar into old floor as away to level it. Bought quikcrete premix stuff bag said just add water to patch or resevice up to 2" thick well it didn't work to well. But thanks to you I now know some stuff that quickcrete was real up front about in my mind could be on me. But now think I can do It again and get it right m. Thank you

  7. Steven Klein
    February 8, 2016

    Hi. The info you provided was very useful. Nevertheless, I would like to ask your opinion on my project. I need to add a thin layer of concrete over existing, old, weathered and bumpy concrete (1" to 0") on the patch 6.6' × 20' to create a slope for drainage to be later covered by synthetic grass. I would really appreciate your advice on the mix ratio and application. Thanks

  8. Meg
    May 26, 2016

    Hi I have an internal brick wall with deep mortar joints. I want to fill in the deep joints with mortar and leave a slight film over the bricks to make the wall look old. What would be the best method to ensure the mortar stays put?

  9. Jim Barnes
    September 2, 2016

    Our "contractor" used caulk-like adhesive in setting pavers on cement slab. He apparently did not consider that the slab was carefully beveled by the "older" experienced mason. So. the pavers are coming loose around the edge of the slab.
    Unfortunately for me, our "contractor " used that caulk-like adhesive. It is taking me about a half-hour per paver to try to remove the now rigid adhesive. So, question: what can I do to speed this now demanding process up? Will a slurry coat adhere to the slab if some of that slab is still partially covered with that adhesive? Is there a way to ensure that the new bed of cement will adhere enough to provide stability? Does every bit of the slab surface have to be totally free of the old adhesive? I would really appreciate any help you can provide. I am at the far end of the Dog House and would like to see daylight again.

  10. Geoffrey Cavero
    October 17, 2016

    Is it better to use the concrete paint method or a bonding agent?

    How about both?! Can I paint on a bonding agent and then mix some concrete paint, and then patch?

  11. Geoffrey Cavero
    October 17, 2016

    Also, one more question, if I have a hairline crack to repair, and I simply fill it with the "concrete paint" since it's so small?

  12. Judith Henderson
    October 18, 2016

    Just had the stairwell in our block of apartments decorated and when I asked the painter if he would put Polyfilla into the rough area between the concrete support in the ceiling and the ceiling itself, he told me that the area shouldn't be filled because the holes should be left in order to allow moisture from the concrete block to escape. Is this true? Thanks for your advice.

  13. Simon
    November 1, 2016

    I have just had a concrete driveway laid. The mix set too quickly for my concreter. He did not finish the job properly. There are chips out of the driveway in a major way. He is suggesting he can patch the job and use stencil over the top. My concern is that the driveway will crack as it set within 2 hours. Also concerned that the patching won't last.
    Any thoughts?

  14. Martin
    December 16, 2016

    The building I live in has a strange layout with the garden at roof level. There is a concrete drainage channel between the building and the garden retaining wall. There is a 2' jagged crack in the concrete which is up to an 1'' wide and 2'' deep. What mix would you suggest for this repair and are there any additives you would recommend? The repair needs to be strong and waterproof but the appearance doesn't matter.
    Many thanks.

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