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Concrete Patios in Fergus
We pour concrete patios across Fergus, from the new subdivisions at the edge of Centre Wellington to the stone and century homes near the Grand River gorge. Up the hill, the clay-loam holds water and can lift a slab on a thin base, so we build a deep compacted base and slope the patio about 2 percent away from the house. Near the gorge, limestone can sit close to the surface, and we plan the dig and the drainage around it. Union-certified crews, a free written quote, and a lifetime warranty on labour.
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Reviewed June 2026
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Fergus sits on drumlin clay-loam over limestone, the same Wellington ground as Guelph, except that here the Grand River has cut down to the rock. Clay-loam acts like clay under concrete: it holds water, and frost that reaches under a thin base lifts the slab. On a patio against the house, that can tip the slab back toward the foundation.
The full method, the 32 MPa air-entrained mix, the 100 mm slab, the compacted base and the control joints, is on our concrete patios page. This page is about what Fergus ground and homes change. The site visit and the written quote are free, and the number on the quote is the number you pay unless you change the job.
New subdivision lots up the hill
New subdivision ground keeps settling for a season or two, so we check how compacted the ground is before we pour a slab that must stay flat. On fresh lots, that usually means a pour after the first spring.
On the clay-loam, base depth and compaction decide whether a patio comes through the winters sound. We dig out the soft ground, build the compacted granular base, and set the slope so melt runs off the patio and away from the wall.
Stone and century homes near the gorge
Near the old core and the gorge, a crew can hit limestone sooner than it would on deep clay. That changes how deep we dig and where the water under the patio goes once it reaches the stone. These lots also carry a higher water table and more spring damp, so we plan the slope and the downspouts with you before the forms go in.
Beside a limestone house, a plain grey slab can look out of place. Stamped and coloured concrete can sit closer to cut stone than a broom finish; see our stamped and decorative concrete page.
Finish, cure and booking
Broom finish is the most affordable, exposed aggregate is a step up, and stamped work costs more. Whatever the finish, the slab is 32 MPa air-entrained concrete, the mix made for freeze-thaw winters.
You can walk on a new patio after 24 to 48 hours, set furniture on it after about a week, and seal it at about 28 days. Fergus jobs book onto our Wellington County routes through Centre Wellington. The building season here is busy, so a quote in early spring tends to get you a better slot for a summer pour.
Straight answers
We just moved into a new build in Fergus. When can we add a patio?
Once the lot has settled, which on new subdivision ground usually means after the first spring. We check how compacted the ground is before we quote, then build a compacted base and slope the patio away from the house.
Will a concrete patio heave on Fergus clay-loam?
Clay-loam holds water, and frost lifts a slab when it reaches under a thin base. We build a deep compacted base and slope the patio about 2 percent away from the house, so water does not sit under it.
Can a new patio suit a limestone heritage home in Fergus?
Yes. Stamped and coloured concrete can sit closer to cut stone than a plain broom finish. We match the patio to the house, and near the gorge we plan the dig around limestone close to the surface.
How much does a concrete patio cost in Fergus?
Size, the finish you choose, access to the backyard, and the ground under your lot all move the number. Shallow limestone or soft clay can add base work, which the site visit finds. Broom finish is the most affordable, exposed aggregate is a step up, and stamped work costs more. We give you a written quote after a free site visit, and the number on the quote is the number you pay unless you change the job.
Keep reading
- Concrete Patios across Southern OntarioThe full method: mix, base, slope, joints, finishes and cure times.
- Concrete Contractors in FergusEverything else we pour and repair in Fergus, from the stone core to the new subdivisions.
- Basement Waterproofing in FergusStone foundations by the gorge and clay-loam lots up the hill: why Fergus basements get wet.
- Concrete Patios in ElmiraLoam on one lot, clay on the next: what a patio needs in nearby Elmira.
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