Concrete garage floor replacement in Des Moines is usually about one of three things: a floor that has sunk and cracked, a surface eaten up by salty slush, or a floor that slopes the wrong way and holds water.
We replace attached and detached garage floors, shop slabs and basement floors.
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Iowa garages take a beating every winter. Snow and road salt melt off the car and sit on the floor for months, and over time the top layer flakes and pits. Floors in older garages were often poured on poorly compacted fill, so the middle sinks and cracks spread from the corners. And a floor that was never sloped to the door, or has settled toward the back wall, collects water right where you walk.
We break out the old slab, haul it away, and dig out soft material. A crushed-stone base goes in, compacted in lifts, and we add a vapor barrier under enclosed slabs. HomeGuide prices vapor barrier at $0.50 to $1.00 or more a square foot. HomeGuide says most two-car garage floors are 4 to 6 inches of reinforced concrete. We size the thickness and steel for what will sit on it, whether that's a minivan, a full-size truck, a car lift or a shop full of tools on casters. The slope runs toward the overhead door or a drain, and we isolate the slab from the foundation walls and columns so it can move without cracking at the edges.
HomeGuide's national figure for a new two-car garage floor is $2,400 to $6,900. Tearing out the old one runs another $1,000 to $3,500 by its numbers, depending on thickness and how much steel is inside. Access affects the price too. A detached garage at the end of a long driveway may need the concrete pumped or wheeled in.
A cracked or heaved basement slab is usually a water or soil problem first. We'll replace sections of basement floor and pour new floors in unfinished basements. If water is coming up through the floor or in through the walls, though, that's a waterproofing job, and it should be fixed before any new concrete goes down.
If you plan to put epoxy or polyaspartic on the new floor, tell us before the pour. The finish we leave and the cure time both affect how well a coating bonds. For a clear sealer, see concrete sealing.
Send the address, the garage size and a couple of photos. We'll come look at the floor and the drainage and send a written quote. Call (515) 585-4111 anytime or use the quote form.
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