When Old Porter Concrete Needs Concrete Demolition in Porter

Porter sits just inland from Lake Michigan and the Indiana Dunes. Winters here run through freeze-thaw that older garage slabs and pads have been taking for decades. A lot of the houses around town went up in the middle of the last century, and the garage that came with them was often a slab poured on the soil, with little under it and not much steel in it. Those pads have sat through a long run of lake-effect cold, wet springs, and cars parked on them with salt still on the undercarriage.

We’ve pulled up plenty of that old work. The surface scales off in sheets in some spots. Corners drop. We’ve had cracks that ran all the way through to the dirt, and sometimes you can lift a chunk with your hands. People have called us when the garage floor got so uneven that a door dragged or a floor jack wouldn’t sit level. A patch on that kind of failure still sits on broken material. The old concrete has to come out first.

What we pull up during Concrete Demolition in Porter

When we take on Concrete Demolition in Porter for a garage from that era, the break usually tells the story in the first few minutes. The slab tends to be thinner than what we pour now. Mesh, if it’s there, is often rusted and sitting low in the section. Under the concrete we find soil that was never built up as a base, or a thin layer of sand that has mixed with clay. Water has been under there. You can see it in the staining and in how the underside of the slab has gone soft.

We also see pads that were added later, poured tight against the original driveway or against the house foundation. Those edges collect water. After enough winters the edge of the garage pad has broken off in a line. We’ve been on properties where the driveway had already been replaced and the garage floor was still the original pour, and the joint between them had turned into a trench. We see this age of work around Porter whenever we open a garage floor that has been in place since the house was new.

Concrete Demolition in Porter before a new garage pour

If the old pad stays, the new concrete sits on broken material that still moves. We take the failed slab out and get down to soil we can compact so the new pour has a base. On these older Porter garage floors, that removal is the work that has to happen first. We’ve been doing this since our doors opened in 2006, and we’ve cut out a lot of mid-century pads around Northwest Indiana.

Salt is hard on this old concrete. Cars come off the roads in winter and sit on the slab overnight. The smooth top layer goes first, then the top starts to pit. Once water is in those pits, freeze-thaw has an easy path. We’ve broken out floors where the top inch was junk and the bottom still looked like concrete until we hit it, and then it shattered. We’ve seen overlays go on that kind of floor and the weak top still lets go underneath. That slab comes out with the rest of the pad.

How we actually take it apart depends on access. A tight attached garage with a low door opening means we work in pieces so we don’t clip the house. When there’s a detached pad with room around it, we can get a skid steer and a breaker on it and the removal goes faster. We haul the debris, then look at the soil under it. Soft spots get dug out until we’re on something firm. Then we pack the grade. Thickness, steel, and the mix for the replacement wait until we’ve seen what is under the old work.

Leaving a compacted base after Concrete Demolition in Porter

Once the broken concrete is gone, the part that matters is what you’re standing on. We check for organic soil and old buried fill. We also look for low spots that hold water toward the house. Garage slabs fail again when water still sits under them. We set the grade so water moves away, then compact. We try to get the old pad out and the hole ready without turning the rest of the property into a long project, and we pour only after the bottom is tight and drained.

That breaking and haul-off is the same concrete demolition we do on old slabs and pads around town. Concrete Demolition in Porter on a garage is usually a single sequence: break, load, grade, then set up for the new pour. We write the quote out line by line so you can see the demolition separate from the replacement. Thickness of the new slab, steel, and base all depend on what we find after the old pad is gone, and we don’t lock that in until we have seen the hole.