Lifting a sunken slab may be necessary to level the surface.
Do yourself concrete lifting.
Foam jacking also known as polyfoam or polyjacking is a modern version of mudjacking that levels concrete slabs in a less invasive way.
In time however concrete slabs can crack or sink due to pressure or from movement during settling.
High density polyurethane foam is injected into holes that expand to lift and level the sunken concrete.
Fast setting concrete is necessary to patch the holes when you re finished filling them up.
Concrete lifting with a small sledge hammer brick chisel and drill this is another method for doing it yourself.
Basically you clean the concrete buy a bag of cement mix it up and dump it on top finish it yourself.
And yes it is a foam just like your beloved spray foam.
Mix a small batch of fast setting concrete.
You will want to add some reinforcement wire to prevent fracturing and probably use a surface preparing glue.
Injection holes are strategically drilled into the concrete slab s that requires lifting.
Geolift can help to lift existing concrete surfaces and fix those problem areas around your house with much less labor.
You should also get a steel.
Add some of the concrete dust removed from the holes after drilling to the mix to tint the mix the same color as the slab.
Polyurethane foam is then injected under the slab filling voids and raising it to the correct level.
Get a carpenter s level to make sure that you don t overfill the slab too high.
You can avoid this expense if you do it yourself with the help of a jacking pump which can raise the concrete slab to the needed level.
Geolift works for driveways sidewalks patios garage floors even pool decks.
With a concrete drill or masonry bit drill small holes into the sunken area and slowly pour a thin mixture of cement into the holes.
The first step is to drill holes in the problem concrete.
Hack to fix sunken concrete.
The equipment is contained in a trailer rig with a long hose capable of reaching direct to the concrete slab location.
Cut through slab with gas powered saw fitted with 12 inch diamond blade.
Polyfoam is stronger and longer lasting than traditional mudjacking.
Place the concrete into a grout bag and inject it into the holes filling them up to the level of the slab s surface.
Hiring a professional service to lift or jack up the slab can be costly.
That ll allow the sunken slab to lift up.
Otherwise you could crack the concrete.