Crushed Stone

Patuxent Materials can deliver construction aggregates which are used for many projects including, but not limited to:

  • Base materials underneath highways, walkways, parking lots and concrete slab buildings.
  • Aid in water filtration & velocity controls within specifications for various Erosion Controls such as:
    • Storm management ponds
    • Water run-off areas
    • Infiltration trenches
  • Asphalt and Concrete Production
  • Multiple construction projects such as:
    • Roads, Bridges and Parking Lots
    • Housing and Apartment Development
    • Schools and Hospital
    • Commercial Buildings, Retail Spaces, Indoor and Outdoor Malls
    • Utilities uses-Sewer Systems, Drainage pits
    • Erosion Control


#10 Stone Dust

Fines/dust with up to 1/4″ crushed stone. Uses include, fill material, asphalt production, walkways, paver installation, horse rings, stables and barns, tennis courts and bicycle trails.

HE-6 Birdseye

Birdseye is a crushed stone or gravel product in 1/8″ size range. Uses include block production, landscape cover, grit, and garden path construction.


CR-1 crusher designed for heavy duty areas where there is a need for larger stone to bridge and the fines to compact to create a compacted surface.

Uses include haul roads, crane pads, and as a sub-base layer for major highway work.


2″ minus crusher run. Uses include sub-base for parking lots, roads and highways. Can be used for residential driveways, walkways, paver installation and select backfill.


1” minus crusher run. Easy to handle base material. Used under concrete, asphalt, sheds, patio and hardscape stone. Can be used as exposed aggregate for driveways, pathways, sidewalks and parking areas.

#7 Stone – 1/2″

Uses include roofing stone, pipe bedding, bio-retention ponds, filtration, Ready Mix production, asphalt production, and a variety of environmental, landscaping and building applications.

#8 Stone – 3/8″

Uses include tank bedding bio-retention ponds, filtration, Ready Mix production, asphalt production, and a variety of environmental, landscaping and building applications.

#57 Stone 3/4″ to 1-1/4″

Uses include driveways, septic fields, bedding for large pipes, filter stone, dry wells, concrete slab bedding,residential drainage, Ready Mix and Asphalt production.

MD #2 / AASHTO #3 Stone

Uses include storm water infiltration pits, construction entrances, drainage and erosion control, bridging and stabilization.

#1 Stone 3″ – 4″

#1 Stone is used in a variety of environmental projects as well heavy construction. This size stone can be placed for small storm-water outfall areas, septic or sewer projects, slope protection, haul roads, and as a bridging stone for saturated soil conditions.

Railroad Ballast

Approved granite stone, Area 2, Area 3, sub-base, base materials as specified by AMTRAK, CSX, and all major railroad contractors.

Rip Rap

Class 0 Rip Rap – Gabion 4″ – 7″

Weight Range: 8 lbs to 35 lbs

Used in Gabion baskets, banks of small streams, outfall areas where the potential water flow is low to medium, footer stone, bridging of very wet areas and slope protection. Also excellent for landscaping, boarder stone, stone walls, and silt traps.

Class I Rip Rap:  5” – 16”

Weight Range: 30lbs to 150lbs

Used for ditch lines, slopes around ponds, erosion control, larger outfall areas where potential water flow is above average, footer stone for larger stone walls or slopes. Perfect for natural stone walls as well as landscaping project.

Class II Rip Rap: 9” – 24”

Weight Range:  150lbs to 700lbs

Major environmental projects around rivers and the bay, superior erosion control, bank restoration, large outfall areas, piling protection for bridges, bulkheads, and piers. Landscaping uses include rock gardens and walls.

Class III Rip Rap:  12” – 30”

Weight Range: 600lbs to  2,000lbs

Uses include major bulk heads for shoreline protection around the bay, its tributaries and area reservoirs.  Also used for piling protection for bridges and piers.

Major environmental projects.

Armour Stone:  15” -36”

Weight range: 900lbs to 2,000 lbs

Armour Stone is a select rip rap used primarily for large bank restoration and protection projects.

Imbricated Rip Rap

General size requirement is 2’ x 3’ x 3’

Weight range: 900 lbs. to 2,000 lbs.

Imbricated Rip Rap is a select product that is “stackable”.  The stone is generally parallel and is used for the building of protective walls in and around stream banks or ponds.

All loads will have stone that varies in size and range.

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