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Paver Patios & Walkways

A patio is only as good as what's underneath it. We build the base first — everything else is just laying stone on top of work that's already right.

Large-format paver patio with hot tub and fire pit seating, Flathead Valley

Iron Peak Landscaping builds paver patios and walkways across the Flathead Valley, based in Kalispell, MT.

Paver patios and walkways look like a surface job — pick a stone, lay it down, done. In the Flathead Valley, that's how a patio ends up heaving, settling, and cracking apart by its third winter. The paver itself is almost never the problem. The base underneath it is.

Iron Peak Landscaping builds every patio and walkway the same way regardless of the stone you pick: excavate below the frost line where it matters, compact a proper base in lifts, and grade it so water moves away from the house instead of sitting under the pavers waiting to freeze. It's slower than throwing pavers on top of dirt and sand. It's also the difference between a patio that's still flat in ten years and one you're re-leveling every spring.

Why It Matters in the Flathead Valley

Kalispell and the towns around it sit on a mix of valley clay, glacial till, and sandy loam, and none of it behaves the same under a hard freeze. Clay-heavy soil holds water and heaves the most; sandy soil drains fast but can wash out under poor edging; rocky ground near Columbia Falls and Bigfork needs more excavation just to get a clean base started. A patio built on whatever a shovel turns up on a nice September afternoon doesn't know what's coming in January. Base depth, compaction, and drainage have to be sized to the ground you're actually standing on, not a generic spec sheet — that's the call a contractor makes on site, not from a truck.

How a Paver Patios & Walkways Job Gets Built

Walk the Site

We look at drainage, grade, soil, and what the patio needs to connect to — a door, a fire pit, a driveway — before anything gets a number.

Base Built Right

6–8 inches of compacted road base, properly graded, is what actually holds up a paver patio through a Montana winter. This is the step other bids skip to hit a lower price.

Set, Cut, Seal the Joints

Pavers set tight, cut clean around edges and posts, joints filled and compacted so the whole surface locks together instead of shifting piece by piece.

What's Included

  • Site excavation to proper depth for your soil and frost conditions
  • Compacted road base in lifts, graded for drainage away from structures
  • Edge restraint so the perimeter doesn't creep or spread over time
  • Paver or flagstone installation, cut and fit around steps, posts and beds
  • Polymeric or compacted joint fill
  • Walkthrough before we leave the site

Recent work

Paver Patios & Walkways we've built

Common questions

How deep does a paver patio base need to be in Montana?
For a patio carrying foot traffic, 6–8 inches of compacted base is standard in this valley; walkways can run a bit less. Heavier soil or a spot that holds water can call for more. We size it to your yard on the site visit, not off a general rule.
Why does my old patio have gaps and uneven pavers?
Almost always a thin or poorly compacted base, or joint sand that was never polymeric and washed out. Frost heave does the rest — pavers that aren't locked into a solid base move a little every winter until it's obvious. It's fixable, but it usually means pulling the surface up and rebuilding the base underneath.
Can you build around an existing patio or extend one?
Yes, as long as we can tie the new base into the old one at a matching depth and grade. If the existing patio has drainage or heave problems, we'll flag it — building a good extension off a bad base just gives you a bigger version of the same problem.
How long does a typical patio project take?
Depends on size and access, but a standard backyard patio usually runs a few days once we're on site — excavation and base take the most time, the paver setting goes quicker once the ground is right.

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