WebNov 6, 2013 · 172K views 9 years ago This Oct 2013 job was the perfect situation to show how void filling with polyurethane foam works. An area next to this driveway was … WebFill the hole with concrete. Concrete doesn't expand in the cold -- you're probably thinking of frost heave, which is where moisture in the soil freezes and expands, disturbing …
What can be done about voids under concrete? - Slabjack …
WebSep 20, 2011 · The exterior vertical cleanout pipe is 3 inch. Using a flashlight, I can see 3 feet down it where it is filled with dry dirt. I tried to run the Marco rooter down it, but the … WebSep 21, 2024 · Step 2. Drill a line of 1-1/2-inch diameter holes from the lowest point of the foundation toward the foundation center. Stop at the point where the floor no longer slopes toward the washed out void beneath the house. Use a hammer drill to drill through the concrete foundation along the chosen line with the holes spaced 6-inches apart. marill pokemon sword
How to fix a washed-out gravel driveway using concrete erosion mats
WebDec 21, 2024 · There are a few reasons why there may be a void under a concrete slab or sidewalk, but in most situations, the void is caused by soil erosion. Erosion is often caused by uncontrolled water flow, such as poor grading and draining, or a leak in an underground pipe. Here we will describe the most common reasons a void appears: Uncompacted … WebStep 1 Drill at least four holes through the slab at a point that's centered on the void beneath. Use a drill equipped with a masonry bit to bore 1.5-inch-diameter holes, and arrange the holes to offer even access to the void. … The erosion only extends about 6-14 inches (from left to right) underneath the slab. Beyond that, there's good, solid compacted dirt supporting the slab. There are no structural issues (cracks, etc.) above this area. Can anybody recommend the best way to fill this with rocks, gravel, concrete, etc. to keep it from eroding further and give some ... naturalpoint trackir 5 gamer set