Paver Base and Bedding Sand: Calculate Both Layers

A paver area can need a compacted aggregate base and a separate bedding layer. Combining both depths into one generic gravel order loses the distinction between materials and their purchase quantities.

By CalcsteadUpdated September 6, 20261 min read

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Calculate each specified layer

For a 12 × 20 ft area, the footprint is 240 ft². A 4-inch base is 80 ft³ before a loose-volume allowance. A 1-inch bedding layer is 20 ft³. These example depths illustrate quantity arithmetic and are not an installation specification.

Example layer takeoff

Material	Depth input	Geometric volume
Base aggregate	4 in	80 ft³ / 2.963 yd³
Bedding sand	1 in	20 ft³ / 0.741 yd³

Use separate product densities and prices

Apply any specified base allowance before converting its loose volume to tons. Convert bedding using its own density and depth basis. Different products can require different supplier minimums, loads, and rates even when ordered together.

Keep other paver materials outside these layers

Jointing sand, pavers, edge restraints, and installation are separate quantities. Do not substitute bedding volume for jointing-sand consumption. For a full budget, use the paver patio cost tool and make sure its scope does not charge a layer twice.

Confirm the specified base and bedding products.
Record whether delivery is combined or separate.
Check layer depths against the actual pavement specification.

Sources and product references

CMHA — construction of interlocking concrete pavements
Pavement layer context; use the actual project specification for layer depths.
Mulzer Crushed Stone — aggregate calculator
Supplier context for material-dependent bulk density and estimating limits.

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