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Cover the subgrade in batches of 3-inch-thick layers of pack, a blend of ¾-inch crushed stone and stone dust. Dampen each layer with water to keep down the dust.
Compact each layer with a plate compactor. Use a hand tamper near walls, sidewalks, or foundations. Repeat process of adding, dampening and tamping each 3-inch layer until all the pack is roughly 2½ inches below the marks on the stakes (if laying 1 ½-inch-thick stone).
Drive additional stakes every 2 feet between the corner stakes closest to the house and again on the opposite end of the patio, which the grade slopes toward.
Stretch a chalk line between the finish grade marks and snap the line against the new stakes.
Run strings along the pitch of the patio between the new stakes at their finish-grade marks.
Tip: For irrigation lines or outdoor electricity, lay 3-inch-diameter PVC conduit over the subgrade.
Compact each layer with a plate compactor. Use a hand tamper near walls, sidewalks, or foundations. Repeat process of adding, dampening and tamping each 3-inch layer until all the pack is roughly 2½ inches below the marks on the stakes (if laying 1 ½-inch-thick stone).
Drive additional stakes every 2 feet between the corner stakes closest to the house and again on the opposite end of the patio, which the grade slopes toward.
Stretch a chalk line between the finish grade marks and snap the line against the new stakes.
Run strings along the pitch of the patio between the new stakes at their finish-grade marks.
Tip: For irrigation lines or outdoor electricity, lay 3-inch-diameter PVC conduit over the subgrade.
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