Advice on Concrete Repairs

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  • 430752
    Senior Member
    • Mar 2004
    • 855
    • Northern NJ, USA.
    • BT3100

    #1

    Advice on Concrete Repairs

    Okay, since I couldn't get a mason out to me (see other thread on calling contractors, including a couple more attempts), I'm gonna try diy on this one. Job isn't big, but I've little to experience with concrete/stone/brick/etc. What I've got is a maybe 12" round patch of stucco missing, in addition to several much smaller chips elsewhere, several foundation cracks (nothing alarming), and many conrcrete retaining wall/patios chunks missing. House is a tudor from the 1920's/30's to give you an idea of my issues.

    The foundation cracks I think I can solve by using their concrete caulk.

    The Stucco I think I have figured out by using stucco mix (duh) and trowling it on. I'm told to wet the area for a day before hand, trowel the stucco in, keep wet, etc. I assume stucco mix is made just for this purpose, that is to go on and stay vertical? Any tricks or tips here?

    The biggest issue I have is with the concrete retaining walls/patios. I have some good sized chunks missing from some of them. like a one foot by 1 foot section. And others the front vertical facade at the ground is splitting away. Several other areas are a result of freeze/thaw issues near clogged downspouts as they enter into retaining walls to discharge further away. For these things, would I use forms cut from plywood, secure them somehow (cinderblock folding plywood vertical against the wall?), and pour? Do the forms separate easily from the cured concrete? How thorough a cleaning of the area do I need to do? Any other tips?

    Thanks in advance.
    A Man is incomplete until he gets married ... then he's FINISHED!!!
  • JR
    The Full Monte
    • Feb 2004
    • 5636
    • Eugene, OR
    • BT3000

    #2
    Stucco is not too complicated. The tricks are in getting the color and texture to match the rest of the house.

    Stucco color is usually applied in the final, "texture", coat of the stucco. If your house has been painted over that, it's simply a matter of matching the paint. There are stucco/concrete paints that go on very easily. No primer required.

    Matching the texture is a bit of a trick. Textures range from fairly smooth, to rough "knock-down" textures. The process is similar to applying interior plaster. You have to apply the material in a way similar to the origninal (light/smooth, heavy/chuncky), then work it with a rubber and/or steel trowel.

    I can't help with the concrete.

    JR
    JR

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