Concrete Contractors in Grants Pass, OR

Grants Pass sits on the Rogue River northwest of Medford, and concrete contractors who work both cities quickly learn they are not the same. The Josephine County seat averages about 31 inches of precipitation a year, compared with roughly 18 in Medford, and three-quarters of it falls between November 1 and March 31. With 39,189 residents in the 2020 census, Grants Pass is one of the largest communities in the Rogue Valley, and its driveways, patios and walks take a lot of water.

Drainage comes first

In a wet winter, the main threat to a slab is water getting underneath it. Saturated soil loses strength, fine particles wash out from under the edges, and the concrete starts to settle and crack. On Grants Pass jobs we put extra care into:

• Base depth: a thicker compacted rock base that drains instead of holding water
• Slope: every driveway, patio and walk pitched to shed water off the surface
• Edges: finished grade kept below the slab so runoff cannot sit against it
• Downspouts: directed away from new concrete, not dumped onto it

None of this shows once the job is done, but it decides how the concrete looks in ten years.

Weather windows

Measurable precipitation falls on about 110 days a year here. We schedule winter pours around the forecast and protect fresh concrete from rain until it has set, because rain on a wet surface can wash out the paste and leave a weak, dusty top. Summers swing the other way. August highs average 90.6°F, about 51 afternoons a year reach 90°F or more, and the city hit 115°F on July 4, 2022. Hot-day pours start early and get cured right away.

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Frost and the occasional big snow

Grants Pass sees about 77 mornings a year at 29°F or colder. Typical snow is light, but the city has had heavy events, including 34.1 inches in February 1917. Exterior concrete gets an air-entrained mix so it can handle repeated freezing, and we steer owners away from salt on concrete less than a year old.

Older blocks and newer edges

The Grants Pass post office opened in 1865, and the city was incorporated in 1887. Its 2010 population of 34,533 grew to more than 39,000 by 2020, with 16,681 housing units counted that year. That range of ages shows up in the concrete. Older streets have narrow walks and settled steps, while newer areas have wider driveways that may be cracking at joints that were cut too late or spaced too far apart.

The work we do in Grants Pass

• Driveways, new or replacement, with drainage planned in
• Covered and open patios, including stamped concrete
• Sidewalks, front walks and steps
• Slabs for shops, sheds and carports
• Crack repair, resurfacing and section replacement

Covered patios and carports

With so much winter rain, plenty of Grants Pass owners put a roof over the patio or build a carport. A covered slab needs footings or thickened sections where the posts land, sized for what the roof will carry. We set those spots before the pour so the posts sit on solid concrete instead of a thin patio edge.

Grants Pass is a longer drive from Medford than most of the towns we serve, so we group site visits by day. Call (541) 287-7959 and we will find a time that works and give you a written estimate.