Paver Installation Guide: Steps, Layers & Mistakes

A new paver patio may look excellent when the installer finishes, but its long-term performance depends on work you can no longer see. The soil, compacted base, bedding sand, and edge restraints all influence whether the surface stays stable, drains properly, and holds its shape.

Installing pavers involves more than arranging concrete blocks in a pattern. The job starts with the finished elevations and drainage plan, continues through excavation and base preparation, and ends with a carefully compacted surface and properly filled joints.

For conventional sand-set interlocking concrete pavers, the main installation steps are planning, excavation, subgrade preparation, base construction, edge restraint installation, bedding sand preparation, paver placement, cutting, compaction, and joint filling.

The sequence is straightforward, but each stage affects the next. A poorly prepared base cannot be corrected with extra bedding sand, and carefully laid pavers may still spread if their edges are not properly restrained.

This guide explains the process for residential patios, walkways, and driveways in the United States. It focuses on conventional interlocking concrete pavers installed over a compacted aggregate base. Permeable paving, large-format slabs, natural stone, and porcelain require different details that should follow their approved installation systems.

How to Install Pavers: The 10 Main Steps

The following table gives you an overview of the construction process and what to inspect at each stage.

This is the general sequence for conventional sand-set interlocking concrete pavement. Some edge restraints are installed as the work progresses or after the units have been laid and trimmed.

Other pavement systems can require a different sequence.

Before You Start: Plan the Pavement

Good planning prevents expensive corrections later.

The first decisions concern how the pavement will be used, where the finished surface will sit, and how water will leave the area.

Choose Pavers Suitable for the Application

A patio used for outdoor dining and a driveway supporting vehicles have different requirements.

For standard interlocking concrete pavers, the Concrete Masonry and Hardscapes Association (CMHA) describes 2⅜-inch (60 mm) units for pedestrian areas, residential driveways, and certain limited vehicular applications. Street and industrial pavements generally use units at least 3⅛ inches (80 mm) thick.

These are recommendations for conventional interlocking concrete pavement, not universal thickness requirements for every product.

Large-format concrete slabs, natural stone, and porcelain may have different structural and installation requirements.

Before ordering, verify the selected product's intended application, actual dimensions, finish, and approved installation method.

For a broader material comparison, see the companion guide, Types of Pavers: Materials, Applications, and Trade-Offs.

Determine the Finished Surface Elevations

Start with where the top of the completed pavement needs to be—not how deep you plan to dig.

Check the proposed surface against nearby features such as doors, building walls, sidewalks, curbs, drains, steps, and landscaped areas.

This matters because the pavement needs adequate support without creating an unsuitable transition or directing runoff toward the building.

The drainage plan should identify where rainwater will go.

CMHA commonly describes minimum surface slopes of approximately 1.5% for conventional interlocking concrete pavement, with different requirements for particular applications.

The actual slope must suit the site, intended use, drainage design, and applicable accessibility or local requirements.

For example, a patio beside a house may need to drain toward an appropriate landscape area or collection system. It should not direct water toward a vulnerable doorway simply because that arrangement requires less excavation.

Finalize the Layout and Pattern

Before excavation, mark the intended boundaries with stakes and string lines or another suitable layout method.

Measure the area, check the corners, and establish reliable reference lines.

For rectangular layouts, comparing the diagonal measurements can help identify whether the corners are square.

Consider the paver dimensions and joint spacing while planning the layout. A small adjustment to the overall dimensions or border design may reduce unnecessary cutting.

Patterns also affect the appearance and installation process.

Running bond and basketweave can work well in appropriate pedestrian areas, while herringbone patterns are frequently used where interlock under vehicle traffic is important.

The pattern should be confirmed before the contractor starts laying pavers.

Check Utilities and Site Restrictions

Before digging, arrange underground utility locating through 811 or the applicable state notification system.

Follow the required notice period and confirm responses before excavation.

Private irrigation lines, landscape lighting cables, and other services may not be identified by public utility markings.

Local rules may also apply to stormwater discharge, grading, accessible routes, property boundaries, and other project conditions.

Steep slopes, retaining walls, unstable soil, or drainage affecting a foundation may require qualified professional assessment.

Step 1: Excavate to the Planned Depth

Excavation creates the space needed for the supporting layers and the pavers.

The depth depends on the final surface elevation and the specified pavement assembly.

For a conventional sand-set installation, the main components are:

Compacted aggregate base

Bedding sand

Concrete pavers

Other materials or layers may be required by the project design.

How Deep Should You Dig?

The correct excavation depth cannot be established from paver thickness alone.

Suppose a residential driveway design uses a 6-inch compacted aggregate base, a nominal 1-inch uncompacted bedding sand layer, and 2⅜-inch concrete pavers.

Those nominal layer dimensions add up to 9⅜ inches.

However, that sum is not a finished excavation specification. The bedding layer consolidates during installation, the base thickness refers to its compacted condition, and the actual site may require additional layers or elevation adjustments.

Use the finished design levels and approved pavement section to establish excavation depth.

Allow Room for Edge Support

The supporting base may need to extend beyond the finished edge of the pavers.

This extension helps support the edge restraint and provides room for proper compaction.

Its required width depends on the restraint system and pavement design.

If the contractor excavates only to the exact visible outline of the patio, there may be insufficient base material outside the edge to secure the restraint.

Remove Unsuitable Material

Organic soil, roots, loose debris, and other unsuitable materials should not remain beneath a conventional pavement.

Once excavation reaches the intended subgrade, inspect the exposed soil.

If it is unusually soft, saturated, or inconsistent, correct that condition before installing the aggregate base.

Covering unstable ground with new stone does not necessarily prevent settlement.

Step 2: Prepare the Soil Subgrade

The subgrade is the soil that supports the entire pavement.

For conventional interlocking concrete pavement, it is generally graded and compacted according to the applicable design.

The goal is a stable, reasonably uniform surface capable of supporting the planned layers and traffic.

Check for Weak Areas

Look for areas that deform under loading, remain saturated, or differ noticeably from the surrounding soil.

Previously excavated utility trenches and areas of poorly compacted fill deserve attention because they may settle differently from undisturbed ground.

If the soil is unsuitable, the solution may involve excavation and replacement, stabilization, drainage improvements, or another engineered treatment.

The appropriate method depends on the actual condition.

Compaction Matters

The soil should be compacted using equipment and procedures suitable for its type and moisture condition.

CMHA provides density recommendations for conventional interlocking concrete pavement, but meeting them may require specific preparation or treatment on difficult ground.

Repeated compactor passes do not, by themselves, prove that the required density has been achieved.

Where the project specification calls for testing, suitable field methods should be used.

Is Geotextile Required?

Some installations use geotextile to separate the soil from the overlying aggregate or provide a specified filtration function.

It is not required beneath every patio.

A geotextile layer also does not replace a stable subgrade or adequate compaction.

Follow the pavement design rather than installing generic landscape fabric automatically.

Step 3: Build and Compact the Aggregate Base

The aggregate base distributes loads and provides a stable foundation beneath the bedding layer.

For many conventional sand-set interlocking concrete pavements, the base uses properly graded crushed aggregate compacted in successive layers.

The required material and thickness depend on soil, climate, drainage, and traffic.

Use the Specified Aggregate

A product sold as "paver base" may not meet the requirements of every project.

Dense-graded aggregate contains a mixture of particle sizes that can be compacted into a stable supporting layer.

Open-graded aggregate serves a different purpose in permeable and certain specialized pavement systems.

The material should be specified by an appropriate gradation or recognized construction standard rather than its retail name alone.

Place the Aggregate in Suitable Lifts

Instead of spreading the entire base thickness at once, contractors normally place and compact it in layers called lifts.

CMHA discusses typical compacted lift thicknesses of approximately 4 to 6 inches when using particular high-force reversible plate compactors. Other equipment may require thinner lifts or different procedures.

The important requirement is achieving the specified support throughout the depth of the base.

Special attention is needed around edges, drains, and structures where compaction equipment may have limited access.

Check the Base Before Moving On

After compaction, verify that the base follows the intended grades and elevations.

Low areas should be corrected with the appropriate base material and compacted again.

Do not use an unusually thick layer of bedding sand to hide depressions in the base.

A deep, uneven sand layer may settle differently under traffic and leave visible low spots in the finished pavement.

For a detailed discussion of soil behavior, aggregate selection, base thickness, and drainage, see Paver Base and Drainage: Materials and Site Conditions.

Step 4: Install the Edge Restraints

Edge restraints help keep the paver field from spreading sideways.

They are a functional part of the pavement, not merely a decorative border.

As traffic, compaction, and environmental changes act on the surface, the restraints help maintain the position of the paving units and the joint system.

Common Edge Restraint Options

Depending on the design, restraints may include manufactured plastic or aluminum systems, suitable steel edging, concrete curbs, and other approved components.

Not every restraint works with every base or traffic condition.

Flat edging intended for garden beds should not automatically be used to restrain structural paving.

What Makes an Edge Restraint Effective?

An appropriate restraint needs sufficient contact with the side of the pavers and a suitable means of resisting movement.

For conventional interlocking concrete pavement, CMHA describes a minimum 1-inch (25 mm) vertical restraining surface in contact with the paver side. More may be needed for demanding applications.

The supporting base and anchorage are equally important.

CMHA guidance also states that spikes used to secure certain manufactured restraints should be anchored appropriately into the compacted base, rather than relying on unsupported soil.

Where base extension is required, it must be provided beyond the restraint and its anchors.

For detailed construction and selection guidance, see CMHA's Edge Restraints for Interlocking Concrete Pavements.

When Should Edge Restraints Be Installed?

Many systems install restraints before bedding sand and paver placement.

Others permit the pavers to be laid and trimmed before the restraint is secured along the finished edge.

This is useful for certain curved borders and manufactured restraint systems.

The correct sequence depends on the actual restraint design.

In either case, the finished edge must be properly supported and secured before the pavement is placed into service.

Step 5: Screed the Bedding Sand

Bedding sand creates a consistent setting surface for conventional interlocking concrete pavers.

CMHA specifies a nominal 1-inch (25 mm) uncompacted layer of suitable concrete sand for its standard installation method.

The material consolidates when the pavers are seated during compaction.

Choose the Correct Bedding Material

CMHA recommends appropriate concrete sand meeting relevant ASTM C33 gradation requirements and other applicable specifications.

Mason sand, ordinary stone dust, and limestone screenings are not recommended as substitutes for this bedding material in conventional interlocking pavement.

Their particle size distribution and other characteristics may affect stability and drainage.

The distinction between bedding sand and joint sand is important: a sand unsuitable for the bedding layer may still be acceptable as joint material when the specification permits it.

How Screeding Works

The installer places screed rails or guides on the prepared base, spreads the bedding sand, and draws a straightedge across the guides to establish a uniform surface.

After removing the guides, their voids are filled with the same material.

The screeded surface should remain undisturbed until the pavers are placed.

Walking on it or driving equipment over it can create depressions.

Contractors generally prepare only the amount of bedding they can cover within a suitable period.

What If It Rains?

Frozen or saturated bedding sand should not be installed in a conventional sand-set system.

If exposed bedding becomes saturated or disturbed, the installer needs to evaluate whether it must be replaced or allowed to return to suitable conditions before work continues.

Proceeding over damaged bedding can affect the finished surface.

Step 6: Lay the Pavers

The pavers are placed on the prepared bedding in the selected pattern.

Start from a dependable reference line rather than assuming an existing building wall or landscape edge is perfectly straight.

As the work progresses, use string lines or another suitable control method to check alignment.

Maintain Consistent Joints

For conventional interlocking concrete pavers, CMHA commonly describes joints approximately 1/16 to 3/16 inch (2–5 mm) wide.

The appropriate joint width depends on the unit geometry and manufacturer.

Some units include spacer bars that help maintain spacing.

Pavers should not simply be forced tightly together without regard to the specified joints.

Those joints must allow the intended joint material to enter and function properly.

Blend Colors During Installation

Concrete pavers can show natural or manufactured variation in color and texture.

For products with blended colors, draw units from multiple bundles rather than installing one complete bundle at a time.

This helps distribute the variation across the paved area and reduces the chance of obvious blocks of different shades.

Inspect the delivered product before installation so that unexpected color or finish differences can be addressed promptly.

Keep the Pattern Aligned

Small alignment errors can accumulate over a large patio or driveway.

Check the layout periodically and make necessary adjustments before the units are compacted.

For areas exposed to continual vehicle traffic, CMHA recommends 45-degree or 90-degree herringbone patterns because of their interlocking performance.

A pedestrian patio has more flexibility in pattern selection when the chosen units and design permit it.

Step 7: Cut and Fit the Edge Pavers

Most installations require cutting around borders, curves, drains, steps, or other obstacles.

Accurate cutting begins with the actual installed layout.

Measure the remaining openings, account for joint spacing, and check how cut units will be supported.

Avoid Small Cuts Under Vehicle Loads

For units exposed to vehicle tires, CMHA recommends avoiding cuts smaller than one-third of a full paver.

Very small cut pieces can be more difficult to restrain and may be vulnerable to displacement.

If a layout creates a narrow sliver near a driveway edge, adjusting the pattern or border arrangement may provide a better detail.

This one-third guideline is associated with relevant vehicular applications. It should not be presented as a universal minimum for every decorative or pedestrian paving detail.

Cutting Safety

Pavers may be cut with suitable masonry saws or mechanical splitters.

Powered cutting can create sharp debris, noise, and respirable crystalline silica dust.

The OSHA construction silica standard, 29 CFR 1926.1153, specifies exposure-control requirements for covered work, including particular masonry-saw operations.

Appropriate controls depend on the equipment, task, and conditions.

You can review the requirements in OSHA's Respirable Crystalline Silica in Construction Standard.

Working outdoors does not automatically make uncontrolled dry cutting safe.

Anyone without suitable equipment and safety procedures should have the cutting performed by a qualified professional.

Step 8: Compact the Pavers Into the Bedding

After the pavers have been laid and the appropriate restraints are in place, the units are seated into the bedding material.

This operation is separate from compacting the aggregate base.

For conventional interlocking concrete pavers, CMHA describes using a high-frequency plate compactor capable of approximately 5,000 lbf (22 kN) of centrifugal force.

The standard procedure includes initial compaction before joint sand is added.

That movement helps the units settle into the bedding and begins developing the intended interlocking action.

Protect the Paver Surface

Some pavers require a protective compactor pad to reduce scuffing or other surface damage.

The manufacturer may specify different equipment or procedures for particular finishes and dimensions.

Do not assume that a compactor suitable for conventional interlocking units can be used on large-format slabs, natural stone, or porcelain.

Inspect After Initial Compaction

Check for cracked units, damaged edges, movement, or unusual surface differences.

Damaged pavers should be evaluated and replaced where needed before the joints are finished.

Alignment corrections are also easier before the joint system is fully consolidated.

Step 9: Fill and Consolidate the Joints

Joint material is essential to a conventional interlocking concrete pavement.

It helps transfer horizontal forces between the units and supports the interlocking system.

In a typical sand-filled installation, the contractor spreads suitable dry joint sand over the surface and sweeps it into the joints.

The pavers are then compacted again to consolidate the material.

The process continues as specified until the joints are properly filled.

Joint Sand Is Not the Same as Bedding Sand

Bedding sand and joint sand serve different functions.

For conventional paving, appropriate concrete sand is used beneath the units.

Joint sand may have a different grading, including suitable materials that can enter narrow joints more easily.

CMHA permits certain finer sands for joint filling even though those same materials should not be used for bedding.

Use the material specified for the actual system.

What About Polymeric Sand?

Polymeric sand contains binders intended to stabilize the joint material when installed and activated according to the product instructions.

It may be suitable for certain conventional paved areas, but it is not a universal substitute for ordinary joint sand.

Joint width, depth, moisture conditions, drainage, surface finish, and installation method all affect suitability.

Incorrect installation can lead to incomplete stabilization, surface haze, or other problems.

The selected manufacturer's instructions should determine application, activation, curing, and return-to-service requirements.

The detailed comparison of joint materials belongs in Paver Joint Sand: Types, Selection, and Maintenance.

Why the Compaction Sequence Matters

CMHA's conventional installation method includes initial paver compaction, joint filling, and additional compaction until the joints are adequately consolidated.

Simply pouring sand across an uncompacted paver surface does not complete that procedure.

Likewise, using a specialty joint product may require additional steps or restrictions.

Follow the applicable method rather than combining unrelated installation instructions.

Step 10: Inspect the Finished Pavement

A final inspection should assess performance as well as appearance.

Check the surface from several directions, paying particular attention to edges, transitions, drains, and changes in slope.

Surface Levels and Alignment

The finished pavement should match the required elevations and construction tolerances.

For conventional interlocking concrete pavement, CMHA provides a maximum recommended paver-to-paver lippage of ⅛ inch (3 mm) in its installation guidance.

This is an industry construction tolerance. It does not, by itself, establish compliance with all applicable accessibility requirements.

Accessible routes may also have requirements for slopes, changes in level, openings, surface stability, and other conditions.

Those must be checked separately where applicable.

Edges, Joints, and Damaged Units

Verify that edge restraints are secured and provide the intended support.

Joint material should be present at the required level and distributed consistently.

Broken pavers, unsuitable edge cuts, or localized movement should be addressed before the project is accepted.

Drainage Performance

Check that the finished surface directs water toward the planned drainage destination.

Look for low spots, unfavorable transitions, and locations where water may collect against a building or other vulnerable structure.

Where appropriate, observing the pavement after rainfall can provide useful information.

A surface-water inspection does not replace assessment of concealed drainage components.

Cleaning and Return to Service

Remove construction debris, surplus sand, and other material left on the surface.

Some installations can be used after the conventional joint-filling and compaction process is complete.

Others require curing time because of polymeric sand, mortar, sealers, or other products.

There is no single return-to-service period for every paver installation.

Follow the specified product and installation requirements.

How Driveway Installation Differs From a Patio

The overall process is similar, but a driveway places greater demands on the pavement.

Vehicle weight is only part of the concern.

Steering, braking, acceleration, and repeated tire paths also introduce horizontal forces.

A driveway installation therefore needs attention to the approved paving units, base support, restraint design, laying pattern, and drainage.

Herringbone patterns are commonly recommended for continual vehicular use.

Cut pavers near wheel paths and edges should be planned carefully, and the pavement needs appropriate restraint where it meets garages, streets, or adjacent surfaces.

A pedestrian patio detail should not automatically be reused for a driveway simply by choosing thicker pavers.

The complete pavement system must be suitable for the expected loads.

Installing Pavers Over Existing Concrete

An existing concrete slab can sometimes support a paver overlay, but this is not the same as conventional construction over a compacted aggregate base.

Before considering an overlay, inspect the slab for cracking, movement, drainage problems, and structural suitability.

Finished elevations are another concern.

Adding pavers and bedding above an existing slab raises the surface, potentially affecting doors, steps, accessibility, and drainage.

Water entering the joints also needs an appropriate path out of the assembly.

Depending on the approved method, the installation may involve a specialized bedding or bonding system and drainage details.

Do not assume that a conventional sand-set base procedure applies unchanged to an overlay.

Permeable Pavers Need a Different Installation System

Permeable interlocking concrete pavement is designed to allow stormwater to enter through specially configured joints and move into supporting aggregate layers.

It generally uses open-graded materials and different drainage details from conventional sand-set pavement.

The system may provide temporary water storage, infiltration into the soil, or discharge through an underdrain.

Its performance depends on the complete assembly.

Using ordinary joint sand in a system designed for open-graded joint aggregate can compromise drainage.

Subgrade preparation and compaction also require careful consideration when infiltration is part of the design.

Permeable paving should follow the appropriate system specifications rather than a modified version of ordinary patio instructions.

Large-Format Slabs, Natural Stone, and Porcelain

The installation sequence in this guide applies primarily to conventional interlocking concrete pavers.

Other paving materials may have different requirements.

Large-format concrete slabs can need different handling, support, and compaction procedures.

Natural stone varies by material, thickness, and finish, while exterior porcelain may be installed using a system-specific aggregate base, mortar assembly, or pedestal arrangement.

Not all of these products are designed to be vibrated with a conventional plate compactor.

Obtain and follow the manufacturer's instructions for the actual product and application.

Common Paver Installation Mistakes

A finished pavement may reveal problems immediately, or symptoms may appear only after traffic, rain, or seasonal changes.

The following table connects common construction mistakes with possible later failures.

What If Problems Appear Later?

The visible symptom may not reveal the original cause.

For example, a low spot could result from unstable soil, inadequate base compaction, or settlement over a utility trench.

Pavers spreading at the edge could indicate restraint failure or inadequate supporting material.

Repeated joint-sand loss may involve drainage, traffic, installation, or an unsuitable product.

Before selecting a repair, investigate the affected assembly rather than correcting only the appearance.

DIY Paver Installation vs. Professional Installation

A small, straightforward pedestrian patio may be suitable for an experienced homeowner with appropriate tools and a clear, approved construction method.

However, excavation, soil preparation, compaction, drainage, and cutting require more planning than laying the surface units.

A DIY project becomes less suitable when it involves unstable soil, substantial changes in grade, drainage affecting a building, heavy vehicle traffic, retaining walls, or specialized paving systems.

The same applies when the necessary equipment or safety controls are unavailable.

For complex projects, qualified professional assessment can help establish an appropriate design before work begins.

How to Compare Paver Installation Quotes

A quote should explain the complete pavement assembly—not just the paver material and labor price.

Two proposals can specify the same pavers while including very different excavation depths, base materials, restraints, and drainage provisions.

Ask each contractor to identify the planned installation system and its suitability for the project.

Contractor Quote Checklist

Ask whether the contractor will document the base construction before it is covered.

Photographs of the prepared subgrade, aggregate lifts, and edge details can help establish what was installed.

For a fair comparison, review the complete scope rather than choosing solely by total price.

Maintenance After Installation

A properly installed paver surface still needs maintenance.

Remove dirt and debris, keep drainage features clear, and periodically inspect the joints and edges.

Watch for developing low spots, displaced units, or recurring loss of joint material.

Some localized problems can be repaired by lifting and reinstating individual units after the cause has been corrected.

However, resetting pavers without addressing an unstable base or drainage problem may lead to another failure.

Sealers and joint stabilizers can serve specific maintenance purposes, but they do not replace proper construction.

Frequently Asked Questions

What Is the Correct Order for Installing Concrete Pavers?

For conventional sand-set interlocking concrete pavement, the main sequence is planning, excavation, subgrade preparation, aggregate base construction, edge restraints, bedding sand, paver placement, cutting, initial compaction, joint filling, and final compaction.

The sequence may vary for certain restraint systems and specialty products.

Can You Lay Pavers Directly on Dirt?

Conventional permanent patios and driveways generally require prepared supporting layers rather than placing interlocking concrete pavers directly on unprepared soil.

Some temporary or specialty landscape products may have different approved methods.

What Goes Immediately Under Concrete Pavers?

For conventional sand-set interlocking concrete pavement, suitable bedding sand is placed directly beneath the pavers, over the compacted aggregate base.

Other installation systems may specify different bedding materials.

Do Pavers Need Edge Restraints?

Conventional interlocking concrete pavements require appropriate lateral restraint to maintain stability and interlock.

The exact restraint depends on the supporting base and expected loads.

Should Pavers Be Compacted Before or After Joint Sand?

For a conventional sand-filled interlocking concrete pavement, CMHA describes initial compaction before adding joint sand, followed by further compaction to consolidate the joints.

Specialty joint products may have different installation requirements.

Can Pavers Be Installed in Rainy or Cold Weather?

Weather affects subgrade preparation, base compaction, bedding sand, cutting, and some joint products.

Frozen or saturated bedding sand should not be installed in a conventional system.

Product-specific temperature, moisture, and curing requirements also need to be followed.

When Can You Walk or Drive on New Pavers?

That depends on the installation method and materials.

A properly completed conventional sand-filled system has different return-to-service considerations from polymeric sand, mortar-set paving, or sealed surfaces.

Follow the applicable manufacturer's and installer's instructions.

Final Paver Installation Checklist

Before accepting the completed work, confirm:

A successful paver installation depends on the entire pavement system, not simply the quality of the visible pavers.

Careful planning establishes the correct elevations and drainage. Proper preparation gives the pavement its support, while edge restraints, consistent bedding, and well-filled joints help maintain stability.

Before the project is considered complete, the finished surface should be checked against the approved design and installation requirements.

Technical References

This article was reviewed against the following technical sources:

Concrete Masonry and Hardscapes Association (CMHA), PAV-TEC-002 — Construction of Interlocking Concrete Pavements, revised 2022.

CMHA, PAV-TEC-003 — Edge Restraints for Interlocking Concrete Pavements, revised 2022.

CMHA, PAV-TEC-009 — Guide Specification for the Construction of Interlocking Concrete Pavement.

CMHA, PAV-TEC-010 — Application Guide for Interlocking Concrete Pavements.

CMHA, PAV-TEC-017 — Bedding Sand Selection for Interlocking Concrete Pavements in Vehicular Applications.

CMHA, PAV-TEC-018 — Construction of Permeable Interlocking Concrete Pavement Systems.

Occupational Safety and Health Administration (OSHA), 29 CFR 1926.1153 — Respirable Crystalline Silica in Construction.

Product-specific installation instructions, applicable local requirements, and the actual site conditions determine the final construction method.

Technical review: October 3, 2026.