Project Guide

How to Build a Limestone Paver Walkway

Elegant Above. Permeable Below.
By , Licensed General Contractor
Finished limestone paver walkway running between a cedar retaining wall with a limestone cap and garden planting to new cedar stairs

Eleven French Riviera limestone pavers on a permeable base, with edge restraints that keep them from shifting.

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Tools & Materials You’ll Need View complete list

Tools

Materials

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The Build
01

Plan the Limestone Paver Walkway and Set Stringlines

Overhead layout of a limestone walkway excavation with capped rebar, stringlines, a 7 by 5 foot entry, a 5 foot walk and a drainage arrow toward the sidewalk
Set the stringlines at finished height.Measure down from them to check depth. Not to scale.

Mine sat 7 in. below the top step (match your existing risers) and in line with the sidewalk. The yard's natural slope gives the walk its drainage.

Dig 11 in. below the stringlines, the depth the limestone manufacturer recommends, and 6 to 8 in. past the paver edges. Hand dig near tree roots.

Before You DigCall before you dig. It is free, and rebar stakes go deep enough to hit a line.
02
Critical Step

Prepare an Open-Graded Base for Limestone Pavers

Cutaway of a limestone walkway permeable base: 1 inch calibrated limestone on 2 inch HPB bedding over 8 inch compacted three quarter inch clear stone, wrapped in 4 oz non-woven geotextile on the bottom and both sides above native soil
1 in. limestone + 2 in. HPB + 8 in. compacted ¾ in. clear stone = 11 in. Dig deeper where the soil is weak.

I followed the limestone manufacturer's recommendation: a permeable, open-graded base of clear stone topped with HPB. Water drains straight through, which reduces the risk of frost heave, but it still needs somewhere to go: soil that absorbs it, or an outlet at the low end.

Line the trench bottom and sides with 4 oz non-woven geotextile. I run it up the sides clean, the same way we do on our retaining wall builds.

Check the flow rate, also called permeability: how many gallons of water drain through one square foot of fabric per minute (GPM). Mine is rated 140+ GPM, tested to ASTM D4491, the engineering test for permeability.

Tested and RatedI advocate for tested and rated products, so you know what you are getting. Every ASTM rating on a geotextile is important, but for a permeable base, ASTM D4491 is the key one.
Daru Dhillon tipping a wheelbarrow of three quarter inch clear stone onto geotextile in a walkway trench
Use clean stone.¾ in. clear stone has no fines, so water drains straight through.
Why I Did Not Use SandThe manufacturer advised against sand under this light-colored limestone. If you have ever built a sandcastle, you know sand holds water, and moisture under porous limestone pavers can stain them from the bottom up. More on this in the video.
03

Compact the Paver Base in Shallow Lifts

Spread the clear stone in 2 in. lifts and make several overlapping passes with the plate compactor on each one. I rented a 150 lb machine with sidewalk delivery.

Daru Dhillon running a plate compactor over a clear stone walkway base with geotextile lining the trench sides
Compact every lift.Compacting all 8 in. at once is a common reason pavers settle later.

Before any HPB goes down, check that the compacted base sits 3 in. below the stringlines everywhere and is level side to side. Fix soft spots now; the bedding can't make up for a poor base.

The base is the walkway. The limestone is the finish you see.
04
Critical Step

Install Edge Restraints and Screed the HPB Bedding

Diagram of a restraint first sequence: side restraints, cross restraint, HPB screeded between them with a notched screed bar half an inch below the rail tops
Set the restraints first, then screed.Follow the manufacturer's recommendations for your edge restraint.

I used Quick-E Hybrid Edge, a low-profile restraint with stakes made for open-graded bases. Regular spikes need a dense base to grip, so they fail and pull out of loose stone.

Daru Dhillon installing Quick-E Hybrid Edge restraint and stakes against the side of a limestone paver
Stake it tight to the pavers.Hammer each stake straight down until its side flaps sit flush on the edging.
Why Edge Restraints Are Critical HereBefore the edging went in, the pavers shifted easily on the HPB. Loose HPB is great for water but bad for paver movement with stepping stones. Once the restraints were staked, the pavers were secured in place.

Check that the restraints are level from left to right before you stake them.

Detail of an edge restraint raised on a three quarter inch clear stone strip beside a 2 inch HPB bed and 1 inch limestone paver
Raise the edging on a clear stone strip.It keeps the full 2 in. HPB bed under the paver.

Screed the HPB with a notched bar riding the rails, ½ in. below their tops. Work from the house toward the sidewalk, one paver position at a time.

Daru Dhillon screeding HPB bedding level between rails with a screed bar beside the stringline at the stairs
Screed, then stay off it.An undisturbed bed is what the pavers sit on.
Lesson From This BuildI installed the edging after the pavers, which meant digging out the edges and screeding twice. Set the restraints first and they become your screed rails.
05

Install Limestone Pavers on HPB

Lower each 70 lb paver onto the HPB (two people makes it easy) and settle it gently with a dead blow hammer.

Daru Dhillon lowering a 24 by 36 inch limestone paver onto screeded HPB bedding at the stair entry
Set it straight down.That keeps the screeded bed undisturbed.

Check each paver with a level so it sits level side to side and fully supported, which keeps a 1 in. paver from cracking. Keep its top and bottom edges on the stringline. If it rocks, lift it and fix the bed.

I set the four-piece entry first with 1½ in. joints, then used a 2×4 as a spacer along the walk.

06

Seal Limestone Pavers and Finish the Walkway

Use the sealer your limestone manufacturer recommends; another product can void your warranty. I use a water-based impregnating sealer: test it in an inconspicuous spot, make sure the pavers are completely dry, then apply two coats.

I filled the joints with natural HPB and planted ground cover near the curb to keep the HPB off the sidewalk. Clean limestone with a non-acidic cleaner.

Pro TipGo natural with walkway joints whenever you can. It keeps plastics and polymer binders out of the groundwater.
✦

The Reveal

Eleven limestone pavers nestled among the planting, and the restraints disappear completely. It reads as a natural part of the garden, not something added to it.

Daru Dhillon, licensed general contractor, on the cedar retaining wall beside the finished limestone walkway
FinishedDraining away from the house, toward the sidewalk.
Shop the Build

Tools and materials used in this project.

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Daru's Notes

Why Stepping Stones

Eight years after my first limestone walkway, I would choose it again. Calibrated limestone is timeless yet modern, and it works beautifully in this established Toronto neighborhood. The wider four-paver entry gives the stairs a proper landing, and the pavers sit low enough for the planting to come right up to their edges.

Modern landscaping is moving away from solid hardscapes and cold, wall-to-wall paving. Homeowners want calm, inviting, softer landscapes that reflect their lifestyle and support their well-being. A stepping stone walkway brings balance and harmony to a front garden, letting plants soften its edges, here with English lavender nestled along the borders. Looking down also grounds you in the present moment, giving you a quick reset and a moment of mindfulness as you enter your front garden.

Built and documented from a real Daru Dhillon project.

Provided for reference only. Follow the manufacturer's instructions for every product and your local building code.

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