Report Date

August 31, 2021

Material Code

ROCC112-Black

Inventory

In Stock

Source Details

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Suncore

1 ½” maximum black volcanic rock is a porous, round, black volcanic material. Commonly used in landscaping and xeriscaping, drainage and other backfill applications.

*Sieve analysis results may vary. Please contact Suncore for the most recent results.

Call or email for availability and pricing

Sieve Results

ASTM C136 / AASHTO T27
Sieve Size% Passing*
100 mm (4")100
37.5 mm (1-1/2")100
25.0 mm (1")36
19.0 mm (3/4")6
12.5 mm (1/2")3
9.5 mm (3/8")2
4.75 mm (No.4")2
2.36 mm (No. 8)1
0.075 mm (No.200)1

Sunroc is now Suncore

Sunroc is now Suncore

We’re excited to share that Sunroc is rebranding as Suncore. While our name is changing, everything you know and trust about us remains the same. You’ll still receive the same quality products, expert service, and dependable partnership you’ve come to rely on. New name, same core values.

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