Foam that reacts slowly is great for filling voids, but not for raising concrete. If material reacts too slowly, it can travel under and beyond the slab you are trying to lift and then expand. In this scenario, you will have created a bridge of foam, lifting multiple slabs.Jul 12, 2012
Will canned spray foam lift concrete?
But this foam material can fix those concrete problems at a fraction of the price! Spray foam really is a magical tool for household insulation. ... Geolift can help to lift existing concrete surfaces and fix those problem areas around your house with much less labor.Mar 2, 2021
What kind of foam do they use to lift concrete?
polyurethane
How much does it cost to level concrete with foam?
National Average Cost $830
--------------------- --------------
Maximum Cost $25,000
Average Range $511 to $1,790
How do you use foam to level concrete?
So, how do you raise a concrete slab with foam? Locate the dips, Get the right equipment and foam. , use 5/8-inch masonry bit to drill a hole through the concrete, and spray the foam into it. The foam will expand and harden, filling the void in the ground and leveling the driveway.Oct 22, 2021