I have a large exposed aggregate concrete walkway that goes to my backyard patio and it has partitions in between (maybe granite?). I live in an older 60's bungalow and I assume the walkway is original and it is well past it's life span. It is very difficult to walk on and chipping-away. I am wondering if it is possible to go over it with concrete and if the concrete will bond. I am looking for a more modern look. Any options or feedback would be greatly appreciated.
Concrete – Exposed Aggregate Concrete Walkway – replacement or pour over
concretewalkway
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(source: jackssmallengines.com)
On smooth hard surfaces, you can typically adjust these to the minimum height so the snow blower "scrapes" the surface. If you have a rough surface then you can adjust these so the blade rides a bit higher and does not catch any of the rough surface.
I can't give a definitive answer for most of this as I have no building experience, but the answer I would give to no 2 removal of the excess concrete on your foundation is a very loud 'don't do it'. it is as you say part of your house foundation. I don't think many would recommend reducing your foundation structure. If you wish this to be part of a social area, can I suggest that you find a way to increase this lip. And to use this as a shelf for cups, glasses etc. You may even like to have the odd small plant pot on there. This can be done by tiling up the wall against the existing concrete, and then tiling the shelf, or by boarding up the concrete and having a wooden shelf. Just a thought. How are you thinking about accessing your new patio area? Using the existing concrete steps may be awkward, and you may need to retain the soil pile and use this to have steps down to your patio, from the existing steps.
Related Topic
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Best Answer
My suggestion would be to blast away the surface dirt with a pressure washer, then clean it off with something strong like muriatic acid. (Or hire a neighborhood teen to do it. ;-> ) Then apply concrete bonding agent and leveling compound. Leveling compound is pricey, but it can be applied in thin sheets and it sets up fast (very, very fast).
You'll have to put some sort of forms up, but you can use cut up cardboard boxes, because you're only adding 1/8" (3 mm) or less to the thickness.
If you DIY this, please, please do an experiment with about 1 square foot of compound on some cardboard or something, first. It's really a mix-pour-spread-set product, so you want to be ready.