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Expansion Joint Between Driveway and Foundation

bdbecker

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Nov 18, 2015
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5,551
Location
Iowa
A few weeks ago I had some tuckpointing done on a section of my garage wall/house foundation along my driveway. The driveway goes uphill along the foundation - picture one end having about 3' of exposed block, tapering to just a few inches of exposed block on the other end.

The mason, who also does waterproofing, suggested that I replace the expansion joint material between the driveway and the wall that he repaired, and then seal up over top of the expansion joint with some liquid neoprene to keep water from the driveway from running down the side of the wall. He said that part of the reason the thinks the mortar was failing in that area and nowhere else was because there's probably some water running down the side and seeping through. The driveway does slope away from the house, but there's also a gutter that dumps out at the the top of the slope (I'm also addressing that as well).

The guy wasn't trying to drum up more business for himself when he suggested I do this, I think he was just pointing out an issue he noticed because never suggested that he could do that job as well. My main thing is that I just want to make sure that the is the correct way to fix the issue. I saw that the liquid neoprene is sold in the roofing department and wasn't sure if it was appropriate for concrete. I currently have asphalt expansion joint material in there right now and figured I'd replace it with the same, unless someone has a better option.

https://www.menards.com/main/paint/...2-asphalt-expansion-joint/p-1444445320379.htm

Thanks!
 
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Hilltopmasonry

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Oct 12, 2015
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Do you have a picture of the area in question?

Also I see that you are from Iowa so do you know if snow get shoveled up against the wall in the winter time?


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wssix99

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bdbecker

ALLIANCE MEMBER
Joined
Nov 18, 2015
Messages
5,551
Location
Iowa
Do you have a picture of the area in question?

Also I see that you are from Iowa so do you know if snow get shoveled up against the wall in the winter time?

No pics handy... snow does not get piled up against that wall, I shovel it away from the house. I think the main water issue is from the gutter that dumps out at the corner on top of the driveway slope. I'm going to extend the gutter so that the water gets dumped at the bottom of the slope, past the house.

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Do it and seal the brick.

I am going to repaint the wall, probably this weekend.

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Use Urethane crack filler. Comes in a big caulk tube.

This is what I've traditionally seen used - foam backer with urethane sealant - which is why the liquid neoprene suggestion seemed a little odd to me.

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...Shows a 1" gap where the wife and I put a slab gasket in place of an expansion joint and sealed it up with SikaFlex. Over 2 years, the assembly has been extremely durable and had traffic driving over it every day.

That slab gasket is a pretty interesting product. Did you push it down into the crack and seal over top of it? Looking at the website, it doesn't look like they seal over top of it with anything.
 
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