Concrete floor installation in Helena MT - a slab ready for the flooring you pick
Bare dirt or a cracked, uneven slab where a floor should be? We pour a new one planned around the flooring you'll put on it.
- Licensed and insured.
- Free in-person estimates.
- Replies within 1 business day.
What goes into a new concrete floor in Helena?
Concrete floor installation in Helena means Helena Concrete pours a slab right on dug-out, packed ground, so it can be your finished floor or the base for carpet, tile or wood.
Most floor calls we get are for a basement, a shop, a garage or an addition, either on fresh ground or where an old slab has cracked or settled past fixing. The price moves with the size of the floor, how much digging and base work the ground needs, what goes under the slab for your flooring, and whether the old concrete has to come out first, which is where our concrete cutting comes in. The schedule turns mostly on the permit and the weather, and the estimate gives you your own figure once I've seen the site.
How do you know your concrete floor needs replacing?
Cracks that keep widening
A crack you shrugged off last year now catches a broom, or one side sits higher than the other. That usually means the ground under the slab has moved, and the longer it goes, the more of the floor ends up coming out.
A sinking or uneven floor
A low spot where a dropped ball always rolls, or a corner that's pulled away from the wall, tells you the base under it has settled. Any flooring you lay over it will follow the dip, so it pays to fix the slab before you buy what goes on top.
Damp spots under flooring
Carpet that smells musty, tile that lets go, or a dark patch that shows up after a wet week usually means moisture is coming up through the slab. New flooring won't hold over it, and the trouble keeps coming back until what's under the concrete is dealt with.
How we handle concrete floor installation
Before we dig, I ask what flooring you'll put down, because carpet, tile or wood changes what has to go under the slab. Then we dig out to firm ground and pack the base in layers so the subgrade, the ground the slab sits on, doesn't settle later, and we check which way water runs so none of it heads toward the house. On an indoor floor the moisture barrier goes down next, then any rebar, the steel that keeps cracks from pulling apart, and we pour early in the day so the heat doesn't leave a weak, dusty top. After finishing we cut control joints, shallow grooves that give the slab a chosen place to crack, and I'll have walked you through where they run before the pour. Then the slab cures, kept damp and left alone while it gains strength, before anyone uses it. The base is the part you'll never see again and the first thing people want to trim when money's tight, but I'd rather spend there than on a fancy finish, because a floor on a bad base can't be fixed without tearing it out.
A new floor often comes with work right outside it. If the room opens to a yard with a drop, we can pour concrete steps while we're set up, and if it leads out to a pool, concrete pool decks get the same base work and drainage check as the floor inside.
Bare concrete floor
This suits a shop, storage room or utility space where the concrete is the floor, finished smooth so it sweeps clean, or with a light broom finish, a fine brushed texture, where you want better footing when it's wet. Since nothing covers it, the joint lines are part of how it looks, so we lay them out with you.
Slab under finished flooring
This is for a basement, addition or room that'll get carpet, tile or wood, where the slab has to stay flat and dry enough for the flooring to hold. We plan what goes underneath around the covering you name, so tell us even if you haven't picked the exact product yet.
Get a free estimate for your new concrete floor
Send the form and we'll get back to you within one business day. I'll come out, walk the site and write a free estimate, and there's no obligation to go ahead.
- Based in
- Helena, MT 59601
- Hours
- Mon–Fri: 7 AM–10 PM, Sat–Sun: 6 AM–11 PM
What happens after you call about a concrete floor in Helena?
Here's how a floor job runs from your first call to a finished slab, and who you'll be dealing with along the way.
Call or send the form
Reach us at (406) 324-9341 or through the form, and we'll set a time to come look. It helps to have the floor size, the covering you're planning and the season you'd like to pour.
I walk the site with you
I come out myself, look at the ground, the drainage and any old slab, and listen to what you want the floor for. The estimate gives you a price built on what I saw, so you know the number before anything gets dug.
Permit, weather, then the pour
If you go ahead, we sort out the permit side and plan the pour around the weather. My crew and I do the base, the pour and the joints ourselves.
Cleanup and the curing wait
We clean up when we're done and tell you when it's safe to walk on the floor and when it's ready for flooring. Rushing that wait is the easiest way to end up with flooring that lifts.
Why Helena homeowners call Helena Concrete for floors
The owner walks every job
I come out to look at your floor and write the estimate myself, then I'm on the job with a small crew when we pour. The person who explained the base to you is the one who builds it.
Taught on Helena crews
I grew up pouring concrete beside my dad around Helena and worked his crews for years before starting this business in 2021. He taught me to slow down on the prep, which is the part of a floor you'll never see again.
Licensed and insured
We're licensed and insured. Montana now requires every construction contractor to be licensed with the state Department of Labor & Industry, so it's fair to ask any crew you're thinking of hiring.
On a floor, what counts is the ground under it and the plan for what goes on top, so tell us about your floor and I'll come take a look.
Concrete floors, footings and permits in Helena
The City of Helena's building official issues permits for work that builds, enlarges, alters or repairs a building or structure, and you apply before the work starts. Whether your floor falls under that depends on the project, so it's worth a call to the city's Building Division at 406-447-8438, and we find out which office covers your address and take care of the permit paperwork when a job calls for one. If your floor job includes footings, the city lists frost depth as at least 42 inches to the bottom of a footing, which sets how deep those get dug.
We're based in Helena and work across the city and the cities around it in the valley. A lot of our floor calls are basements in older houses, shop and garage floors, and additions, and we do the same careful groundwork on jobs in Helena Valley Southeast and Helena Valley Northwest, where shops and outbuildings make up a good share of the work.
Questions about concrete floors in Helena
How much does a concrete floor cost in Helena?
Across the US, an installed concrete slab usually costs about $6 to $12 per square foot. That's a national figure for the slab put in place, not a Helena price or ours, so the estimate is where you'll get the number for your own floor.
How do I keep a new concrete floor from cracking?
You can't rule out every crack, because floor construction guidance says owners should expect some cracking and curling on every project, even with good design and proper construction. Well-designed joints control those cracks and keep them small, which is why the joint layout is worth settling before the pour.
Do I need a moisture barrier under a concrete floor?
Yes for an indoor floor, because trade guidance calls a vapor retarder sensible under every interior slab and says a slab needs moisture protection below it when it'll be covered with carpet, tile or wood. The concrete industry's floor guide also reports that a barrier set right against the slab gives flooring and coatings the most protection.
Does an outdoor concrete slab need a vapor barrier?
Usually not, since the same trade guidance says exterior slabs on grade generally need none. The barrier matters for indoor floors and anything that'll get flooring on top.
How long does a new concrete slab need to dry before flooring goes down?
Long enough to pass a moisture test, because trade guidance says that after proper curing, the slab should be left to dry and tested to confirm moisture isn't coming through before flooring goes in. The wait depends on the slab and the season, so we'll tell you when it's ready instead of guessing at a date.
Can concrete be poured in a Helena winter?
Yes, with a plan to protect it, because national cold-weather guidance says concrete that's properly mixed, placed and protected still reaches enough strength in the cold. That guidance treats it as cold-weather work when the air falls, or is expected to fall, below 40°F while the concrete is being protected, and crew training from a concrete group calls for clearing all snow and ice and pouring only on ground that isn't frozen.
Concrete work that often goes with a floor
Concrete pool decks
Around a pool, a deck needs a packed base and a slope that sends splash water away from the house, the same groundwork that keeps a floor steady.
Concrete steps construction
When a new floor sits higher or lower than the yard or the next room, poured steps give a solid, even rise instead of a wobbly wood stair.
Service areas for concrete floors around Helena
Helena Concrete is based in Helena, MT, and pours floors across the city and the cities around it in the valley. Four service areas have their own page, including Helena Valley Southeast and Helena Valley West Central, and we work in places beyond them too.
Book a site visit for your floor
Getting on the schedule early gives us room to wait for the right weather instead of pouring on a bad day.