What type of sand is appropriate for bedding flagstone over compacted gravel?

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During a patio installation, the bedding sand should be added in dry weather on the same day that the pavement will be installed or it could blow or wash away over night. Once the gravel base is compacted, bedding sand is poured over it. The bed of sand should be 1 to 2 inches thick, but plan to add twice this amount as much of the sand will fall into the cracks between the gravel. Once the sand is poured, screed it by dragging a flat wooden board over the top to level out the surface then compact it.

Read more: What Is Bedding Sand for Patios? | eHow