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Driveway Construction Basics

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Step 1: Excavation

A driveway requires deeper excavation than a patio or walkway due to the load vehicles place on the pavement. Typically this is around 14" - but this varies depending on the type of soil; clay soils require more, sandy soils less.

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Step 2: Base Material

The excavated area will be filled with a base material that is:
• Free draining so water moves away from the surface
• Extended at least 6" beyond the edge of the driveway
• Compacted in several layers using special equipment
• Strong enough to handle the load of vehicles
• Sometimes layers of geogrid can be used to increase the strength of the base material and reduce the depth of excavation required.

The excavated area will be filled with a base material that is:
• Free draining so water moves away from the surface
• Extended at least 6" beyond the edge of the driveway
• Compacted in several layers using special equipment
• Strong enough to handle the load of vehicles
• Sometimes layers of geogrid can be used to increase the strength of the base material and reduce the depth of excavation required.

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Step 3: Bedding Material

The right bedding material provides a nice smooth surface for laying pavers and allows water to quickly drain away from the surface.

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Step 4: Edge Restraint

When pavers at the edge of the driveway shift, this causes gaps to begin to appear between pavers nearby. Edge restraint keeps this from happening. It's especially important in driveways due to the force applied by heavy vehicles and turning wheels.

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Step 5: Joint Material

Joint material further locks the pavers in place and keeps weeds and other debris out.

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Driveway Construction Basics

It is important to look at the whole picture when doing a driveway project. A proper base will ensure that your driveway won’t settle or shift out of place with freeze-thaw cycles. A paving stone project can last for decades when installed correctly.