Get a basement that stays warm in January and dry behind the walls all year. Crest Hill is on our regular route.
What sits between the concrete and the drywall decides whether a basement feels like the rest of the house. We start with a moisture check and finish any drainage or sump work, since insulation over a wet wall traps the water. Then we insulate the foundation, frame on treated bottom plates with the studs off the wall, and run the electrical and any bath or wet bar plumbing. Drywall, ceilings, flooring, doors, trim and paint complete the room, and we handle the permits and inspections.
We cover Crest Hill every week from I-55, Route 30 and Route 53, and use Weber Road and Caton Farm Road to get across town. The city sits in Will County next to Joliet and Lockport, and our winters are the reason basement insulation matters. Rigid foam against the concrete keeps warm, damp room air from reaching the cold wall, which is where condensation and mildew start. Fiberglass alone on a bare foundation can hold that moisture, so we do not build it that way.

We test the walls and slab and fix drainage or the sump before any insulation goes on.
Rigid foam goes against the concrete with the seams sealed, so room air cannot reach the cold wall.
Bottom plates are pressure treated, and studs stand off the foam with clearance kept at the mechanicals.
The rim above the foundation wall gets sealed and insulated, since it leaks a lot of cold air.
Outlets, lighting and circuits go in to code, plus rough-in for a bath or wet bar if one is planned.
Drywall, ceilings, flooring, doors, trim and paint finish the basement.
We visit at no charge, check the walls and slab, and look at the rim joists and the sump. The written estimate lists the insulation plan alongside the framing, rough-in and finishes, so you can see what each part costs. If a wall or the rim turns up damage once it is open, we price the repair in writing and wait for your call. We book the inspections, and the crew works around them on the days we set with you. The job closes with a walkthrough of every room.
Winter is the real test for basement walls. Call or text (815) 585-1750, and we will write up an insulation plan built to pass it.
Call or text (815) 585-1750
Email matt@onitcc.com