How to Lay Patio Stones

Creating a patio with stone is one of the most effective ways to upgrade an outdoor space. When done correctly, patio stones provide a durable, low-maintenance surface that looks professional and lasts for decades. This guide is designed to be the most complete, practical, and authoritative resource on how to lay patio stones, covering proven techniques used in successful patio paver installation, whether you’re a DIY beginner or planning a more advanced installation. Whether you’re planning a new pool or upgrading an outdated deck, this guide explains how concrete pool deck installation works, what it costs, which finishes perform best, and how to avoid the most expensive mistakes.

Short Answer: How to Lay Patio Stones the Right Way

To lay patio stones correctly, you must start with proper ground excavation, install a well-compacted crushed stone base, add a level sand bedding layer, and carefully place and align the stones before filling joints and compacting the surface. Skipping base preparation or leveling leads to sinking, weeds, and uneven stones over time.

How to Lay Patio Stones the Right Way

What Does It Mean to Lay Patio Stones?

Laying patio stones means creating a stable, level outdoor surface by placing flat stone units over a prepared base system. The goal is both function and longevity.

Patio Stones vs Pavers vs Slabs

  • Patio stones: Large, flat units designed for outdoor surfaces

  • Pavers: Smaller, interlocking units often used for driveways

  • Slabs: Natural stone pieces, often irregular and heavier

Common Uses

  • Backyard patios

  • Garden seating areas

  • Walkways and pathways

  • Outdoor dining or fire pit zones

Why Proper Installation Matters for Patio Stones

Correct installation is the difference between a patio that lasts 3 years and one that lasts 30.

  • Structural stability: Prevents shifting and sinking

  • Drainage control: Avoids water pooling and frost damage

  • Weed prevention: Reduces maintenance

  • Longevity: Saves money on repairs

  • Safety: Eliminates uneven surfaces and tripping hazards

Tools and Materials Needed to Lay Patio Stones

Essential Tools

  • Shovel and rake

  • Carpenter’s level

  • Rubber mallet

  • Measuring tape and string line

  • Plate compactor (manual or mechanical)

Required Materials

  • Patio stones (concrete, natural stone, or porcelain)

  • Crushed stone or gravel base

  • Bedding sand (sharp sand or concrete sand)

  • Jointing or polymeric sand

  • Edge restraints

How to Lay Patio Stones: Step-by-Step Guide

Step 1: Planning and Measuring the Patio Area

  • Choose a layout pattern (grid, running bond, random)

  • Measure the total square footage

  • Plan a slope of ¼ inch per foot away from buildings for drainage

Step 2: Excavating the Ground Properly

  • Dig 6–8 inches deep for walkways

  • Dig 8–12 inches deep for patios in cold climates

  • Clay soil requires deeper excavation than sandy soil

Step 3: Creating a Solid Base Foundation

  • Add crushed stone in 2–3 inch layers

  • Compact each layer thoroughly

  • Typical base depth:

    • Walkways: 4–6 inches

    • Patios: 6–8 inches

This step determines whether your patio stones stay level long-term.

Step 4: Adding and Leveling the Sand Bed

  • Add 1 inch of bedding sand

  • Screed the surface using straight boards

  • Never compact the sand before laying stones

Step 5: How to Lay Patio Stones Evenly and Securely

  • Start from a straight edge or corner

  • Lay stones gently without sliding

  • Maintain consistent joint spacing

  • Check level every few stones

Patterns like running bond provide better load distribution than straight grids.

Step 6: Cutting Patio Stones for Edges

  • Use a masonry saw or angle grinder

  • Wear eye and dust protection

  • Cut stones to fit tightly along edges

Step 7: Securing Stones and Filling the Joints

  • Sweep jointing or polymeric sand into gaps

  • Compact the surface again

  • Refill joints as needed

  • Lightly mist polymeric sand to activate

Common Mistakes to Avoid When Laying Patio Stones

  • Skipping base compaction

  • Poor drainage slope

  • Using play sand instead of bedding sand

  • Forgetting edge restraints

  • Laying stones directly on soil

Different Methods of Laying Patio Stones

MethodBase TypeDurabilitySkill LevelBest For
Sand SetSand + gravelMediumBeginnerDIY patios
Mortar SetConcrete baseHighAdvancedPermanent patios
Dry LayGravel onlyLow–MediumBeginnerTemporary areas

 

Patio Stone Types Comparison

TypeCostMaintenanceWeather ResistanceVisual Appeal
ConcreteLow–MediumLowGoodModerate
Natural StoneHighMediumExcellentHigh
PorcelainMedium–HighVery LowExcellentModern

 

How Long Does It Take to Lay Patio Stones?

  • Small patio (100 sq ft): 1–2 days DIY

  • Medium patio (300 sq ft): 2–4 days DIY

  • Professional installation: 1–2 days

Time increases with cutting complexity and base depth.

Cost Breakdown: How Much Does It Cost to Lay Patio Stones?

  • Materials: $4–$15 per sq ft

  • Tool rental: $50–$150

  • DIY total: $500–$2,000

  • Professional install: $15–$30 per sq ft

Maintenance Tips After You Lay Patio Stones

  • Sweep regularly

  • Re-sand joints every 1–2 years

  • Pressure wash gently

  • Protect joints before winter freeze cycles

FAQs: How to Lay Patio Stones

Can beginners learn how to lay patio stones themselves?
Yes, with proper preparation and patience.

How deep should the base be for patio stones?
Typically 6–8 inches, more in cold climates.

Do patio stones need mortar?
No. Sand-set installation is standard and flexible.

What is the best sand for laying patio stones?
Sharp sand or concrete sand, not play sand.

How do you prevent patio stones from sinking?
Proper base depth and thorough compaction.

Can patio stones be laid directly on soil?
No. This causes shifting and weed growth.

How do you ensure proper drainage?
Maintain a consistent slope away from structures.

How long do properly laid patio stones last?
25–30 years with minimal maintenance.

Conclusion: Best Practices for Laying Patio Stones Successfully

Learning how to lay patio stones correctly is about preparation, precision, and patience. A well-compacted base, proper drainage, and careful placement ensure long-term performance. DIY is ideal for straightforward patios, while complex designs may justify professional help. When done right, patio stones deliver lasting beauty, safety, and value to any outdoor space.