Aggregate Materials
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3/4 Blue Rock
For Hawaii storm-drainage and base work, 3/4 Blue Rock offers a rough angular texture that compacts for steady support beneath finished surfaces. Size: Approximately 3/4 inch. Type: Angular crushed stone.
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3/8" Crushed Stone
Near the working surface of a Hawaii patio or drive, 3/8" Crushed Stone compacts into a close finish after the base is prepared. Size: Approximately 3/8 inch. Type: Angular crushed stone.
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#57 Stone
A contractor puts #57 Stone in Hawaii drainage work where storm runoff needs a route through saturated ground and near concrete placements. Size: 3/4 inch to 1 inch. Grading: #57. Type: Angular crushed rock.
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#67 Stone
For storm drainage on windward Hawaii lots, #67 Stone provides angular crushed material that can also finish paths and planted areas neatly. Size: 1/4 inch to 3/4 inch. Grading: #67. Type: Angular crushed stone.
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Stone Screenings
A patio or walk on a rainy Hawaii lot needs an even finish layer above its support. Stone Screenings help bring pavers or stone to level. Size: 1/4 inch minus. Grading: Stone dust and fine particles. Type: Angular crushed stone.
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Drain Rock
At the drainage layer behind a Hawaii retaining wall, Drain Rock helps storm water move through saturated windward clay. Size: 3/4 inch to 1-1/2 inch. Grading: Washed to remove fines and dust. Type: Rounded or angular varieties.
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#89 Crushed Stone
#89 Crushed Stone suits Hawaii hardscape details exposed to rain, packing into paver gaps and serving beneath flagstone for a firm finish. Size: About 3/8 inch down to fines. Grading: #89, carries some fines. Type: Angular crushed stone.
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#8 Crushed Stone
#8 Crushed Stone helps Hawaii projects handle paver details, drainage needs, and concrete mixes where heavy rain can shape the work. Size: About 3/8 inch to 1/2 inch. Grading: #8, clean with little to no fines. Type: Crushed stone.
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#4 Crushed Stone
On Hawaii windward clay, #4 Crushed Stone gives stormwater room to pass through a stable course below site traffic. Size: About 1 inch to 2 inches. Grading: #4. Type: Angular crushed stone.
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Railroad Ballast
Railroad Ballast provides Hawaii work areas and access routes with an open stone foundation for frequent rain and storm runoff. Size: Roughly 1 inch to 2.5 inches. Grading: Graded to interlock under load while draining freely. Type: Large angular crushed stone.
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RipRap
A common mistake on Hawaii runoff work is choosing smaller aggregate. RipRap belongs where moving water can erode exposed ground. Size: 4 inches to 12 inches and up. Type: Large, heavy stone.
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