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Paver joint calculator

Polymeric Sand Calculator

Estimate joint volume, sand weight and bags from paver size, joint geometry, density and waste.

Paver joint assumptions

Coverage varies by paver geometry, compaction and manufacturer. Override density with product information when available.

Planning result

Joint volume
1.172 ft³
Sand weight incl. waste
128.91 lb
Bags
4

About Polymeric Sand Calculator

Model paver-joint fill from total approximate joint length, width and depth.

Inputs and calculations stay in your browser and require no signup.

How the calculation works

Planning calculation

Joint volume scales with joint length × width × depth; weight = volume × editable density, then waste is applied.

How to use this calculator

  1. 1Enter measured project dimensions and quantities.
  2. 2Adjust material, spacing, waste or density assumptions to match the project.
  3. 3Review the live planning quantities.
  4. 4Round purchasing quantities appropriately and confirm field conditions.

Understanding the result

Increasing joint width or depth increases volume, weight and usually bag count.

Results use the units shown beside each field and output.

Important limitations

  • Manufacturer coverage varies with paver geometry, joint profile, compaction and product formulation.
  • Use the product data sheet whenever it provides a tested coverage table.

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Frequently asked questions

Does wider joint spacing use more sand?

Yes. Weight increases proportionally with entered joint width.

Can density be changed?

Yes. Override the planning density with product information.

Is this a manufacturer coverage guarantee?

No. Product-specific coverage should control purchasing.

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