3/4 inch rock

Used for various backfill and bedding applications as well as underneath concrete slabs or ground cover for gravel driveways, this angular and durable rock meets a core need on many construction projects.

Sieve Results

ASTM C136 / AASHTO T27
Sieve Size% Passing*
37.5 mm (1-1/2")100
25.0 mm (1")100
19.0 mm (3/4")99
12.5 mm (1/2")68
9.5 mm (3/8")52
4.75 mm (No.4")10
2.36 mm (No. 8)5
0.300 mm (No.50)3
0.150 mm (No.100)3
0.075 mm (No.200)2.3