Cedar Falls Epoxy Flooring has been coating basement floors for more than 20 years in Cedar Falls, IA, serving surrounding cities including Waterloo, Evansdale, Waverly, Independence and Oelwein. Basement floor epoxy can turn a dusty, stained slab into a bright, cleanable floor for a laundry room, workshop, gym or family room, but only when it is laid on a slab that can hold it.
So a basement job starts with questions about water, not color charts. We look at the sump pit, the floor drain and the walls for signs of past water, look for white efflorescence on the concrete, and run a moisture test before we put a price on the work. The answers decide the primer, the system and sometimes whether the floor should be coated yet at all.
We also tell you up front what a coating will not do. It is not waterproofing, it is not flood protection and it is not radon mitigation, and the warranty exclusions for moisture and hydrostatic pressure are explained before the job is sold rather than after a claim.
Reading a Basement Before It Is Coated
Signs of Past Water in the Basement
We start by looking at what the basement has already been through. Tide lines on walls, rust at the bottom of shelving, stains around the floor drain, a sump pump that runs often and damp spots along the wall-floor joint all tell us where water has come in before.
We ask about heavy rains and any history of backups, too. A basement that took on water last spring is a different coating job from one that has stayed dry for twenty years, and pretending otherwise is how warranties get denied.
Moisture Testing Basement Concrete
A below-grade slab sits against damp soil on its underside, so vapor moving up through it is normal; the question is how much. We start with a plastic sheet test under ASTM D4263 as a screen, then use calcium chloride testing under ASTM F1869 or in-situ relative humidity probes under ASTM F2170 when the floor needs numbers.
Those readings are compared with the coating manufacturer’s limits and the moisture thresholds in ASTM F710. A slab that reads above them gets a moisture-mitigation primer or a breathable system, not a standard epoxy that is likely to blister.
Efflorescence, Vapor and Hydrostatic Pressure
White powder on a basement floor is efflorescence, the salt left behind when water carries minerals through the concrete and evaporates at the surface. It tells us moisture is moving through that slab, even if the floor feels dry most of the year.
Vapor drive can often be managed with the right primer. Hydrostatic pressure, where groundwater pushes liquid water up through the slab, cannot be stopped by any floor coating, and it is one of the first things a coating warranty excludes.
Basement Floor Epoxy Systems We Install
Moisture-Mitigation Primer Systems
When testing shows a damp but sound slab, we use a moisture-mitigation primer designed to hold back vapor so the coats above it can bond. It is a specialty base layer, more expensive than a standard primer, and we only specify it where the readings call for it.
It manages vapor rather than liquid water. If the floor shows active seepage, the mitigation primer is not the fix, and we will say so before quoting.
Flake and Solid Color Basement Floors
For laundry rooms, utility areas, workshops and home gyms, a flake or solid color system gives a durable, easy-clean surface. Flake hides small imperfections and adds texture, which helps near the washer and under exercise equipment where floors get wet or sweaty.
Solid color coatings brighten a dim basement and make the room feel larger. A satin topcoat hides dust better than high gloss in spaces that are not cleaned every day.
Metallic and Decorative Finishes for Finished Basements
In finished family rooms, basement bars and home theaters, metallic epoxy gives a marbled, one-of-a-kind floor that pairs well with area rugs. It needs a carefully prepared slab, because every high spot or patch shows through a reflective finish. We protect decorative floors with a UV-stable clear coat and help you choose a sheen that suits the lighting in the room.
Older Cedar Falls Basements
Pre-1940 and Mid-Century Slabs
Cedar Falls has more than 2,100 housing units built in 1939 or earlier and nearly 7,000 built between 1950 and 1979. Basement slabs from those eras were often poured thinner, with no vapor retarder under them, and many have been painted, patched and re-covered several times since.
We grind those layers down to sound concrete, remove black tile adhesive and failing paint, and fill old patches with compatible repair material. On the oldest floors, we sometimes find a slab too soft or broken to coat well and say so.
Floor Drains, Sump Pits and Drain Tile
Many local basements have a floor drain, a sump pit and drain tile around the footings. The coating has to meet each of them cleanly, with the drain left fully open, the sump basin and lid still serviceable, and the floor still sloping where it was built to drain.
We check that the sump pump is running and the drain is not slow before coating. A coated floor that sends water toward a clogged drain only moves the problem across the room.
Cracks, Settlement and When to Hold Off
We map cracks and settled sections before quoting. Hairline shrinkage cracks are routine and get filled, while cracks that are wide, offset or actively letting in water point to a structural or drainage issue.
When that is what we find, we recommend getting it looked at before coating. We would rather lose the job than coat over a floor that is still moving or still leaking.
What a Basement Coating Will and Will Not Do
Not Waterproofing and Not Flood Protection
The Cedar River at Cedar Falls crested at 102.1 feet in June 2008, and the city now regulates its 500-year floodplain. Lower levels near the river and in low spots elsewhere have taken on water before, and a floor coating will not keep floodwater out.
What a sealed floor can do is make cleanup after a minor event faster, since water and silt sit on top rather than soaking into bare concrete. After any water event, the slab has to dry and be retested before the floor is recoated or repaired.
Not Radon Mitigation
The EPA lists every Iowa county in its highest radon zone, and many homeowners ask whether coating the slab helps. It does not, and we do not sell it as radon work, because in Iowa radon testing and mitigation take a state credential.
If you are planning radon mitigation, have it installed by a credentialed professional before we coat. That way the suction point and any sealing around it are in place and the new floor does not have to be cut later.
Warranty Exclusions We Name Up Front
Most basement coating warranties exclude failures caused by moisture vapor transmission and hydrostatic pressure. Those are the two most common causes of basement floor failures, which is why we name them first, before you sign.
We give you the moisture test results with the quote and explain what the manufacturer’s warranty and our workmanship cover. You make the decision with the same information we have.
- 20+ Years of Floor Work
- Moisture Test in Every Scope
- Free Written Estimates