Patio and Outdoor Concrete Coatings in Kelso, WA

Picture the back patio on a 1950s house a few blocks off the Coweeman River. Plain broom-finished concrete, a little green at the edges, a settled corner by the downspout, and front steps that turn slick every November. That is what most Kelso outdoor concrete looks like by now. Tearing it out is expensive and loud. Covering it with an overlay is neither.

We put down a decorative polymer overlay with built-in color and texture, then seal it. Finished, it can pass for flagstone, slate, old brick or wood planking, and it covers patios, covered porches, walkways, front steps and the deck around an existing pool. Homeowners in South Kelso, North Kelso and out toward Rose Valley all have some version of this tired concrete.

How an Overlay Stands Up to a Damp River Town

Our crew builds the overlay to 60 to 80 mils, thick enough to carry a stamped texture and fill small surface damage. Color is mixed in and UV-stable, so a south-facing patio does not fade to chalk. It is rated for freeze-thaw, which matters in a valley where mornings drop colder than in Vancouver. Every surface gets an anti-slip texture, because wet concrete steps cause real falls.

An acrylic sealer goes on top. Moss has a harder time taking hold than on bare concrete, but it still shows up in shady corners, so plan on an easy rinse once a year. Plan on a day or two of install and another two or three for curing before the furniture comes back out. Ten years of warranty coverage comes with it.

Our Patio & Outdoor Coatings System

Materials: Polymer overlay, UV-stable color, acrylic sealer
Thickness: 60-80 mils
Install time: 1-2 days
Cure time: 2-3 days
Warranty: 10 years

Freeze-thaw rated. UV-stable. Anti-slip.

Fog, Shade and Wet Ground Around Kelso Patios

Kelso is a damp place to own concrete. Fog off the Cowlitz settles in the low streets, winters stay wet for months, and patios on the north side of a house may never fully dry between October and April. Homes in the flats near the river sit on a high water table, so we check drainage before coating anything at grade. Hillside ranches in Lexington often have long front walks and step runs that need grip most. The trip is about 40 minutes for us, and outdoor work waits for a forecast with two dry days in a row.

Kelso Neighborhoods We Cover

South Kelso, North Kelso, Lexington, Rose Valley, Downtown Kelso

Patio and Walkway Pricing for Kelso Homes

Outdoor overlays cost $5 to $10 per square foot. A 12 by 16 back patio is 192 square feet, so expect roughly $960 to $1,920. A larger 300-square-foot patio with a walkway runs $1,500 to $3,000. Steps add labor per riser. Stone and plank patterns sit at the higher end, and simple textures at the lower. We measure on site and give one fixed price.

Frequently Asked Questions

Can a coating fix the green, slippery front steps on our Kelso house?

Yes, that is one of the most common requests we get. We clean and grind the steps, repair chipped edges, then lay the overlay with a textured anti-slip finish. Steps that stay in shade will still need a yearly rinse, but they will not grow the thick slick film bare concrete does.

Our patio near the Coweeman floods in heavy rain. Is it worth coating?

Coating does not change where water goes. If the patio sits lower than the yard or tilts toward the house, that needs fixing first, or the overlay just becomes a nicer puddle. We look at the grade at the estimate and tell you whether a drain or slope fix should come before any coating.

Will the stone pattern crack when it freezes?

The overlay is rated for freeze-thaw, and Kelso winters are mostly wet rather than deep-frozen. What we watch for is cracks in the slab underneath. Hairlines get filled. A crack that moves seasonally can eventually show through, and we will point those out before we start.

Can you coat around our above-ground pool or hot tub pad?

We coat concrete pool decks and hot tub pads, not the pool itself. We do not build pools or pads. If the slab around an existing pool is sound, an anti-slip overlay is a big upgrade for bare feet. The equipment has to be cleared or worked around.

How do I keep the patio looking good in a wet climate?

Rinse it with a garden hose and a soft brush once a year, ideally in spring. Do not use a high-pressure washer up close on the surface. Every few years a fresh coat of sealer brings the color back up. That is about all the care it needs.

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