​Types of Gravel

#8 (Pea) - Particle size is 3/8” to 3/32” Primary uses: Pipe backfill, asphalt mix, exposed aggregate concrete, decorative landscaping

#9 (Grit) - Particle size is 3/16” to 3/32” Primary uses: pipe backfill, roadway ice control, drainage layers, open ditch, under floor slabs, asphalt cold mix

#4 round – Particle size is 3/4 “to 1 1/2" Primary uses: Roof ballast, decorative landscaping, drainage

#57 Crushed – Particle size is 3/4” to 1 7/16” Primary uses: Foundation backfill, drainage layer, leech beds, under concrete, driveways, parking areas, ready mix, asphalt mix

#57 Round – Particle size is 3/4” to 1 7/16” Primary uses: Foundation backfill, drainage layer, leech beds, under concrete, driveways, parking areas, ready mix, asphalt mix

All Types of Gravel:

#8 Pea 
#9 Grit 
#4 Round 
#57 Round or Crushed

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