Chaska, MN · SW Twin Cities metro Open Mon-Fri 8a-5p Veteran-owned · Family-run · Since 1996 (612) 369-1631

Basement Floor Coating · Chaska + SW Twin Cities · Owner-operated since 1996

Basement floor coatings that respect the moisture under the slab.

Most basement coating failures trace back to one thing: ignoring vapor pressure from the ground. We test for moisture before we quote, choose the system to match (penetrating sealer for high vapor, polyurea for normal slabs), and prep the concrete properly. The result is a finished basement floor that stays bonded and doesn't bubble or peel at year three.

30+ YR Years working concrete Including chronic basement moisture
100% Slabs moisture-tested Before quoting, before installing
0 Subcontractors David installs every job personally
A+ BBB rated Accredited since October 2005

What we install

Three basement systems. The moisture test picks which one is right.

Every basement quote starts with a calcium chloride or RH moisture test. The result drives the recommendation: high vapor means Essential, normal vapor opens up Advanced and Ultimate. We won't install a film coating on a slab that's going to lift it off.

Moisture-tolerant

Essential

Silane-siloxane penetrating sealer. Best for high-moisture slabs.

A breathable penetrating sealer that bonds inside the concrete. Vapor still passes through, which is critical for basement slabs without a vapor barrier underneath. The floor still looks like concrete; it just stops absorbing moisture, salt, and spills. This is the right tier for older homes, walkout basements, or any slab where vapor is a concern.
  • Breathable: vapor can escape
  • No film to lift if vapor pressure rises
  • Natural concrete look preserved
  • 3 to 5 year limited warranty

$800 to $4,500 per project

Advanced

Industrial urethane. Solid color, sealed, for normal-vapor slabs.

A urethane top coat for basements with a working vapor barrier and normal moisture readings. Solid color, no flake, clean finish. Right for utility-area basements, workshops, and finished spaces that prioritize easy cleanup over decorative look.
  • Solid color, clean finish
  • Sealed against spills and humidity
  • Faster cure than epoxy
  • 5 to 8 year limited warranty

$1,800 to $9,000 per project

Ultimate

Polyurea + polyaspartic with decorative flake. For finished spaces.

Full polyurea system with decorative flake, finished to the same standard as the garage Ultimate tier. The right choice for finished basement living spaces, home gyms, and walkout basements where the floor is part of the room. Requires confirmed normal moisture readings before we install.
  • Polyurea + polyaspartic chemistry
  • Custom flake color blend
  • Walk-on 24h
  • 15-year written warranty

$2,400 to $9,000+ per project

Why we moisture-test before we quote

Why basement floors fail (and how to avoid it).

Basement coatings fail at a much higher rate than garage coatings, and the reason is almost always the same: moisture. Without a vapor barrier under the slab, ground moisture migrates upward through the concrete and pushes against any film coating from below. Eventually that pressure wins, and the coating bubbles or lifts. The fix isn't a better coating; it's matching the system to the slab's moisture behavior.

Film coating on a vapor-prone slab What you don't want
  • Vapor pressure pushes from underneath
  • Coating blisters, then peels in 12 to 36 months
  • Often advertised as if moisture didn't matter
  • Re-do cost is higher than the original
Matched system + moisture test What we install
  • Calcium chloride or RH test before quoting
  • Breathable sealer for high-vapor slabs
  • Film coating only on confirmed normal-vapor slabs
  • Honest conversation if no coating is the right answer

If your basement slab is high-moisture and you want a finished look, the right path is moisture mitigation first, then coating. We'll say so if that's the case.

Transparent Pricing

Basement floor coating pricing.

Basement square footage tends to be larger than garages, so total project pricing scales. The moisture test result, the system tier, and the prep scope (existing paint or coating removal, crack repair) drive the final number. Quote is written and fixed.

Small (utility area)

Up to ~300 sq ft

From $800 to $3,400
  • Most common for mechanical rooms or storage areas
  • Essential tier often the right pick
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Medium (partial basement)

~400 to 700 sq ft

From $1,800 to $5,800
  • Standard for finished playrooms and home gyms
  • Tier choice depends on moisture test
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Large (full basement)

800+ sq ft

From $3,400 to $9,000+
  • Full-floor finished basement installs
  • Bundle pricing if combined with garage
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Removing existing paint, coating, or carpet adhesive adds to prep time. If we find a moisture issue during the test, we'll either adjust the recommendation or walk you through your options before continuing.

The 6-step install

How we install your basement floor coating, step by step.

Moisture-aware prep is what separates a basement coating that lasts from one that lifts. Same checklist every job.

  1. 1

    In-home assessment + moisture test

    David visits the basement, runs a calcium chloride or RH moisture test, checks for existing coating, paint, or adhesive, then writes a fixed quote on the tier that matches what the slab can hold.
  2. 2

    Surface prep

    Diamond grinding to open the concrete profile and remove any existing paint, sealer, or carpet adhesive. The prep depth depends on what's currently down; old paint takes longer than bare concrete.
  3. 3

    Crack and joint repair

    Hairline cracks filled and tooled flat. Larger cracks or joint failures get addressed before the coating goes down so they don't telegraph through the finished floor.
  4. 4

    Sealer or basecoat application

    Essential tier: penetrating sealer worked into the concrete. Advanced or Ultimate: full basecoat rolled and back-rolled. The chemistry depends on which tier matched the moisture test result.
  5. 5

    Decorative flake + topcoat (Ultimate tier)

    On Ultimate-tier installs, decorative flake is broadcast into the wet basecoat, scraped flat after cure, and sealed under a polyaspartic topcoat. Essential tier is single-step and skips this stage.
  6. 6

    Walk-through + warranty packet

    Final walk-through, written warranty document, care guide. Most basement coatings can be walked on in 24 hours; heavy furniture goes back in 72.

Common Questions

Common questions about basement floor coating.

Can you coat any basement floor?
Most basement slabs are coatable. The question is which system. If the moisture test comes back high, a film coating isn't the right answer; a breathable sealer is. We'll tell you which before quoting either way.
What's the moisture test you run?
A calcium chloride moisture vapor emission test or an in-situ RH probe, depending on the slab. Both measure how much water vapor is moving through the concrete. The number determines which coating chemistry can bond without lifting.
What if my basement floods occasionally?
That's a moisture management question first, coating question second. A coating won't fix a flooding problem; it'll just trap water against the slab. If flooding is a known issue, address that first, then come back to us for the finished floor.
Will a coating help with cold floors?
A coating doesn't add R-value. If cold floors are the issue, look at sub-slab insulation or a floating subfloor system. The coating goes on top of whatever flooring approach you choose.
Can I install carpet or vinyl over a coated floor?
Yes, polyurea-coated floors take overlay flooring well. Many homeowners coat for moisture protection first, then install carpet or LVP on top as the finished look.
How long does a basement install take?
Most basements are 1 to 2 days. Larger spaces or heavy prep can push to 3. We schedule with you so you can plan around utility room access.
Will it smell during the install?
Polyurea and polyaspartic have low odor compared to traditional epoxy. There's still some, especially during the basecoat hour. Open windows or run exhaust fans during the install if anyone in the home is sensitive.
Do you remove existing carpet, tile, or paint?
We can. Carpet removal is straightforward; old tile or thinset is more involved. Paint and old sealer come off during the diamond grind prep. Removal scope gets added to the quote.
Do you offer a warranty?
Yes. Written limited warranty on every install, terms vary by tier. David walks through warranty details during the in-home estimate.

Get a quote

Ready for a basement floor that doesn't peel at year three?

Book the free in-home estimate. We test the slab for moisture, then write a quote on the system that matches what the concrete can hold. No upsell, honest answer either way.

  • Free on-site measurement
  • Written limited warranty
  • No subcontractors, no upsells
FREE QUOTE

Tell us about your basement.

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