WebApr 24, 2016 · Aside from that, all you need is to add the original gravel back into the hole and repair the vapor barrier and finish off the fill with a bag or two of concrete from any local building supply, big box or otherwise. A … WebApr 9, 2024 · If the holes aren't in suitable condition for re-use as-is there are epoxy-based concrete anchor systems as well. If all else fails: a 3 foot square patch of concrete is not all that big. It could be broken out and completely replaced, giving you freedom to mount the new mailbox how and where you wish.
How to Fill Potholes in Concrete HowStuffWorks
WebDec 21, 2024 · In these situations, often the best option is to excavate under the low side of the slab and place jacks under the slab. These jacks are then raised simultaneously, one turn at a time, until the slab is in the correct position. Then new support and substrate is returned back into the void and the topsoil is replaced. WebNov 12, 2024 · If you can't find premixed concrete patch, you can make your own by mixing one part cement to 2.5 parts fine sand. To fill holes deeper then 1/4 inch, apply at least two layers of the... philza rocket league
How to Repair a Concrete Floor: 13 Steps (with …
WebApr 13, 2024 · There are three main techniques that professionals use to fill voids under concrete slabs. Mudjacking A type of sand-cement slurry (called “mud” in the industry) can be used to fill voids under concrete slabs. This mixture of sand, cement, and water is pumped through holes drilled in a slab foundation to fill voids underneath. WebFeb 22, 2024 · Important: If you find that the cleaner doesn’t soak into the concrete but just beads up into droplets on the surface, you have a sealer over the concrete that you’ll need to remove. In that case, apply a stripper first to remove the sealer, then clean. When the slab is clean, find and mark the deep (1/4 in. or deeper) pits and divots ... WebMar 2, 2024 · The first step is to drill holes in the problem concrete. Holes should be no less than six inches away from the edge of the concrete. Once the holes have been set, the Geolift is injected in between the concrete and the dirt. The foam will fill up the parts of the concrete that are uneven and will raise it to the proper height. ts-intsci