Patio Concrete Coating in Roselle, IL

Epoxy flake coatings for Roselle patios, covered porches and the slabs under decks and mature trees: a colored, textured, non-porous floor bonded onto the concrete you already have, sealed under a clear topcoat so it dries clean and grips when damp, installed by our own crew from our shop here in town.
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Pale epoxy flake floor, a light blend under a clear topcoat

What is an epoxy flake coating on a patio?

An epoxy flake coating is a layered floor bonded into the top of an outdoor concrete slab. A primer is rolled into the ground concrete and fuses into it, a pigmented base coat goes over the primer, colored flakes are broadcast into the wet coat until the concrete disappears, and a clear polyaspartic topcoat is applied over the flake to lock it in and close the surface. The result is one seamless, waterproof, colored floor with nothing for water, leaves or mold to get into.

We install it for Roselle homeowners whose patio spends the summer in the shade: under the canopy of a mature tree, beside a north-facing wall, under a deck or a covered porch, on the side walk that never sees the sun. It suits a slab that is sound but green at the edges, dark where it stays damp, dusting, or slick after rain, and it suits a sunny patio just as well.

The finished floor is colored to lift a shaded corner, textured for a foot that lands on it damp, and closed so water and leaf litter sit on top of it and rinse off instead of soaking in. Patios and porches we have coated are on our gallery.

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Epoxy flake floor under a clear topcoat, daylight coming in from one side
Light gray epoxy flake floor laid as one continuous surface

Why a shaded slab is coated rather than cleaned again

Bare concrete in the shade is pressure washed every spring, is clean for a month and goes green again, because it is porous and holds the damp that moss and mold grow in. Painting it is worse: paint traps moisture under itself and lifts. Tearing it out and pouring again puts the same porous concrete back in the same shade. A flake coating closes the surface, so the slab stops holding water and there is nothing left for the green to grow in.

The coating goes onto the slab you have, ground clean and repaired, with nothing demolished and nothing hauled away. It adds only a fraction of an inch, so the step at the door and the height under the deck stay where they are, and the falls that carry water out from under the house are kept.

It is also a floor chosen for the conditions rather than accepted. A lighter blend brightens a slab under a canopy, the texture is set for a surface that is often damp, and the topcoat keeps the color true where the light does reach. The system is the same as on a sunny patio; the choices inside it are made for the shade.

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The benefits on a patio that stays damp

It dries clean instead of going green. The coated surface is seamless and non-porous, so water, leaf tannin, pollen and bird mess sit on top of it and rinse off with a hose rather than soaking into the concrete, and there is no porous surface left for mold or algae to take hold in. The spring pressure wash becomes a rinse. The finish is low odor and low VOC going in, and pet friendly once it is down.

Grip when it is damp. The orange-peel texture of a flake floor holds a foot on a surface that has not dried out since the last rain, and an anti-slip additive can be broadcast into the topcoat under a deck stair or on the shaded walk down the side of the house. A damp bare slab under wet leaves is one of the slickest surfaces in a yard; a coated one is not.

Water kept out, for years. The coating is waterproof, so the damp a shaded slab holds no longer soaks in and freezes inside it through the winter, which is what breaks the surface off bare concrete. The topcoat is UV stable, so the parts of the floor that catch the sun do not yellow or fade differently from the parts that do not. A flake floor is built to last 15 to 20 years; if it wears, it is refreshed with a new topcoat, and a damaged area can be re-flaked to match.

Texture, a blend for the shade, and the topcoat

The texture is the first choice on a slab that stays damp. Every flake floor has the orange-peel finish that gives grip when wet, and on a shaded patio that texture is doing its job most of the season. Where the floor needs more, at the foot of the deck stairs, on the north-side walk or at the door, the anti-slip additive is broadcast into the topcoat in those areas.

The blend is chosen with the shade in mind. Epoxy flake comes in a wide range of color blends and flake sizes, and under a canopy or a deck the lighter blends, the grays, tans and creams, lift the floor and make a dark corner of the yard read as a finished room. Fine flake reads as an even surface that hides leaf marks; larger flake gives a bolder pattern. We choose it against the house, on the slab, in its own light.

The topcoat is clear polyaspartic on every outdoor floor we install: UV stable so it resists yellowing where the sun does reach, abrasion resistant so grit and furniture do not wear through it, and glossy enough to bring up what light there is. It is the layer that keeps the water out.

Getting a slab that never quite dries ready to coat

Grinding first, and on a shaded slab it has the most to take off. Diamond grinders remove the moss and algae staining, the dark damp layer at the surface, old paint, efflorescence and laitance, and open the pores of the concrete so the primer can bond into it. The clean, open surface underneath is what the coating bonds to.

Cracks are opened out, cleaned and filled flush so they do not track through the finished floor. Spalls and pitting are repaired, the crumbling edge along a bed is squared up, and the control joints are treated so the coating runs across them cleanly.

Falls are checked, because a shaded slab that holds a puddle is a slab that never dries. A settled low spot is filled before the floor goes down so water leaves the patio and does not sit against the house or under the deck. We look at all of this on the visit.

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Cracked and chipped outdoor concrete before repair and coating

Laying the floor on a slab that stays damp

The primer is rolled into the ground concrete and fuses into it. This is the bond that keeps the coating down on a slab that is damp for half the year, and it is the layer that paint on a shaded patio never had. Once it has cured, the pigmented base coat goes on across the whole slab.

The colored flakes are broadcast into the wet base coat until none of the concrete shows. When that coat has cured, the loose flake is scraped and swept back, which leaves the even texture that grips a damp foot.

The clear polyaspartic topcoat is applied last over everything, with the anti-slip additive broadcast into it where the slab stays wettest. It locks the flake in, closes the surface to water and is the layer that takes the leaves, the rain and the hose for the life of the floor.

(630) 206-5602
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Diamond grinding an outdoor slab open before the first coat

Roselle yards, mature trees and the shop down the road

Roselle's yards mostly sit behind the ranches, split-levels and two-story homes of the village's subdivisions, and the trees planted around them are mature now, so a good share of the patios, porches and side walks here spend the summer under a canopy. Those are exactly the slabs a flake coating does the most for: one colored, textured surface that dries clean, grips when it is damp and stops a shaded corner of the yard being the one nobody uses, and we coat patios, porches, walks and pool decks across Roselle and the neighboring DuPage suburbs.

Our shop is on West Lake Street in Roselle, so a patio here is coated a few minutes from where the crew starts the day, by our own installers rather than subcontracted labor. The business is owned and operated by a Marine Corps veteran and backs its work with an extended warranty on craftsmanship, and the person who looks at your slab is one of the people who will coat it.

Get the slab behind your Roselle house quoted

The visit is free. We come out, look at the slab in its own light and at how the yard is used, recommend a blend and where the grip should go, and quote the job. Call (630) 206-5602 or email info@evolveconcretecoating.com to arrange a visit. We answer Monday to Sunday, 9 AM to 6 PM.

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