Exterior foundation wall issues

jhome2007June 23, 2011

When I looked around the exterior foundation wall of our house, I found there are few places that seem to need some repair or amendments. Please see the pictures below:

1. This one shows there is a small hole on the wall (during construction?)

2. This one shows that the siding and the wall edge has a narrow space:

3. This one is at downspouts side of the foundation wall. Is that deterioration?

My question is how to fix them by DIY? What material I should use (cement, caulk?)

Thanks,

-J

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renovator8

To patch or repair concrete you should use a non-shrink grout formulated for that purpose. Cement must be combined with aggregates like sand and gravel and then it is called called grout, mortar, stucco, concrete, etc.

    Bookmark   June 23, 2011 at 10:02PM
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jhome2007

Thanks Renovator8. Is there any products in Home Depot or Lowes I can purchase to patch the wall?

-J

    Bookmark   June 23, 2011 at 10:06PM
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sunnyca_gw

That 2nd pic is just begging for critters to move in. Can you tell if there is something behind it,If possible I would force a piece of metal hardware cloth, animal cage 1/2 by1/2 in screen that is hard to bend something like that & grout over top of that in that wide spot, otherwise your grout has nothing to grip. If possible nail the metal even chicken wire screen in couple of places to hold the grout, if possible bend it so that right side of it goes back to wall behind. If nothing else a piece of aluminum flashing with mesh wrapped around it & nailed to the inside edge of that corner would help hold grout. It won't work to try to put a gob of grout in that big of hole. It needs something to hold on to. Smart to wedge some chicken wire down into other areas that are fairly wide also. The grout will hold if it has something to ooze into.

    Bookmark   June 24, 2011 at 1:20AM
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jhome2007

Thanks all for the replies. Is there foam type of product I can use to seal the small gap? I can find one in HD but it seems for interior use only.

-J

    Bookmark   June 28, 2011 at 10:40PM
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sdello

use great stuff - spray foam insulation

Here is a link that might be useful: Great stuff

    Bookmark   June 29, 2011 at 10:02AM
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renovator8

Animals can easily penetrate foam. Find a non-shrink grout/concrete repair mix, add water, and apply with a trowel.

    Bookmark   June 30, 2011 at 12:47PM
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