Raising Concrete Driveway Slabs with Secure SetJun 09, 2021
What we had, as you saw before, was that the slab was lifting evenly instead of rotating upwards, so we have moved the car in and focused the weight of the car on the crack with the use of the ramps so that this maintains that edge down and now we're going to go back to these fronts. Pre-drilled holes and we'll begin the process of lifting up the interface between the two
slabs, so we lift the car up, put some plastic over it to protect it from any inadvertent spraying and I'm just going to put it back down. - drill these holes to give us access again, done, yes, God, this has been a very interesting project.
The phenomenal thing is that our estimate of how big this gap was was slightly underestimated. We've put almost 20 cubic feet of foam underneath. This area of the
concreteand we have a good indication of lift here, once the foam started coming out of the seam, it hardened and then when it lifted, we got about an inch and an eighth of lift when we measured it earlier. it was about one and a half to one and seven eighths of an inch deep, so we had an initial push and then we had the last eighth, we want to increase it about another quarter of an inch or so and so we did.
We have one more hole that we're going to drill right there and we have some product left in the container, so we're going to try to push, bring that corner, right there, there you go, a little shot, let me get that wire out. out of the way, get ready, well you know it goes under the foam, oh yeah, hey, we're at an inch and a quarter, okay, we'll stop, okay, okay, just let that harden, there you go, what a day , Leslie, you were fantastic, um, so we. We set out to correct these imperfections in the
One of the improvisations we obviously had to do is that we had to shift more weight to the hinge part of the concrete. We had to lift this section approximately one and seven eighths, yes, approximately one and seven. seven eighths of an inch we've done it effectively, so we have several holes that we've drilled, we fill them, we let them set up, we roll them up, we drill them again so we can put the foam underneath and have that as a lift uh plate leslie you did the drilling you did the injection um um I found the process very simple very easy to do I've never done anything like this before I'm not even with the drill you know the concrete I thought the product was very easy Not using mixes, a little messy, but that was more my learning curve than the learning curve of the product and I couldn't be happier with the result.
Interestingly, we discovered that the cavity beneath the concrete was significantly larger than us. I thought it was uh, we've used two full 20 cubic foot cans of product, so it went somewhere, but what's good to know is that all of those voids are filled and will no longer be subject to water flowing under the concrete. I've got some great stabilization of these
slabsalong the front of the garage, great work and really amazing awesome work from Leslie, so we want to thank you all for tuning in again. This has been another great day and another great day for a confident team. you
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