MasterBuild Africa

How to Install Interlocking pavers

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Interlocking paver also known as segmented paver has emerged over the last decade as an alternative to concrete, brick or clay. The paving stones are 4x stronger than concrete. They are flexible and easy to maintain and repair. They are the ideal option for adding aesthetic appeal to a driveway, patio, or walkway.


Things Needed: Wheel barrow, shovels, grading rake, vibrating plate compactor, 1″ pipe, wood 2×4, rubber mallet, masonry saw or splinter, broom.



1. Preparing the base: Excavate all unsuitable sub-grade material to provide a well compacted base on which to begin the installation process. Add the height of the paver unit, the depth of bedding sand, and the thickness of the compacted base material to get an estimate of needed depth. The thickness of the compacted base depends on the purpose of the paved surface.


  • 3″-4″ for a pedestrian path,
  • 4″-5″ for a vehicular path, and
  • 6″-8″ for paths for  large vehicles.


Fill the excavated site with the appropriate amount of paver base material and compact using a vibrating plate compactor.



2. Sand bedding: Clean, sharp concrete sand 1″ should be used for the sand bedding. The sand bedding will provide final leveling properties as well as help secure the paver units in pace. To get a 1″ depth of bedding sand, use two pieces of 10′ by 1″ diameter pipe and a wood 2×4. Lay the pipes parallel to each other, directly on the base material, and approximately 6′ apart. Loosely spread a layer of bedding sand over these pipes so that it fills slightly above the top of the pipe.

Positioning yourself between the pipes, place a wood 2×4 perpendicular across the pipes. Slowly pull the 2×4 towards you while sliding the wood right and left in a repetitive motion to level the sand more accurately. This leaves a one inch layer of sand. Remove the pipes and fill in void with loose sand. Remove any excess sand.



3. Edge Restraint: An edge restraint such as the side of your house is necessary to eliminate any lateral movement of your pavers and sand bedding. If there is no hard edge restraint, you will need to install a concrete restraint. Secure the edging to the base material using long landscape spikes after laying the field pavers. Concrete restraints should be installed after paver field is laid. Concrete restraints should be a minimum of 8″ wide x 7″ deep. Pavers are “wet set” into concrete to create a concrete border. Use 2 parts Class II Road Base to 1 part cement; add water and mix until workable.



4. Laying the PaversWhen laying the pavers onto the bedding sand, start the process in either a 90° corner or within the field by using a pre-set string to guide straightness of pavers. Do NOT step on the bedding sand. Place pavers flat on the sand bed. Do not tilt the pavers into place as this will disturb the level of the bedding sand. When a row or pattern is in place, use them as a guide for subsequent pavers. The spacing between the pavers should be hand tight (pavers have built-in spacers on their edges to provide a 1/8″ joint).

As the field moves closer to the edge restraint or concrete border, cut the pavers to fit the desired space. Cutting should be done using a diamond masonry blade and saw or a block splitter.




5. Vibrating the Pavers: Run a vibrating plate compactor to being the interlocking process. Once the pavers and border have been placed, spread a light layer of sand over the pavers and make a single pass using this plate compactor.This single pass will help set the pavers into the bedding sand, and cause some sand to move up between the joints of the pavers.



6. Sanding the Pavers: Work sand down between the paver joints to achieve final “lock-up”. Spread dry paver joint sand or masonry sand over the surface of the paver area approximately 1/4″ deep. Using the vibrating plate compactor, pass over the sanded pavers to allow sand to properly fill the voids between the pavers. This should be done 2 or 3 times until the pavers no longer settle into the sand bedding. Sweep remaining sand into empty spaces until they are completely filled.








Source: RCP B&B


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