The following is a list of products that can be obtained through our Cotati Location, current as of 1/1/2010.

ROCK PRODUCTS

7/16” Minus Quarry Fines
This product is made up of small rock with fines. It works great for pathways because it is small enough to walk on comfortably, and it has the fines to keep it compacted in place. This product can also be used for pipe bedding. Product color varies depending on mining area.

3/4” Aggregate Sub-Base
This material contains a large amount of natural fines. It can be used as a non-expansive fill material. It should be topped off with another product or it may have a muddy surface in wintertime.

3/4 ” Class 1 Aggregate Subbase
An approved trench backfill for City of Santa Rosa, this product has higher sand equivalent than our standard sub-base.

1 1/2 ” Aggregate Subbase
This material is typically used for specific jobs where larger rocks are needed with fines. We recommend at least 6” of this product on a newly created driveway, topped with 3-6” of ¾” Blue Sub-base or Class 2 aggregate base.

3/4 ” Class 2 Aggregate Base – Virgin
This product is made to meet city, county and state specifications for aggregate base rock under road surfaces. It is a high-quality product that is produced with manufactured crushed rock fines. It can also be used for the top of an unpaved road surface.

3/4” Class 2 Recycle Aggregate Base
This product is similar to the Class 2 Virgin Base and can be used in similar applications. It is made from 100% recycled materials. It may contain concrete, asphalt, porcelain, brick and block. The color will vary due to percentage of the various materials.

3/8” Chip
This product is typically used as a pipe bedding material or as an under slab leveling rock. It can be used for pathways and because it is a sharp and angular rock, it will remain in place better than smooth or round pea gravel.

3/4” Drain Rock
This product is used where drainage is required, such as French drains, leach lines, etc. It is a standard size, which can be used for homeowner's driveways and for filling potholes. Due to the angular shape of the rock, it stays in place.

1 1/2 ” Drain Rock
This product is also used for drainage in French drains, leach lines, etc. The bigger rock provides more voids for water to flow, creating better drainage. This product can also be used for filling potholes if the area is muddy.

3” Drain Rock
This product is used for drainage and for stabilizing soft area. Due to the bulky nature of this product shoveling is difficult, requiring some sort of power equipment for placement.

6” Drain Rock
This rock is typically used for slope protection or as ditch lining material to reduce erosion. It also can be used as a heavy ballast to plug unstable soft ground.
Rip Rap
Depending on the size, rip rap can be used for decorative landscaping, rock walls, erosion control, etc. Customer must come in to view stockpiles before delivery to specify size, color and shape required.
7/16” Minus Red/Brown Pathway
This product is typically used for decorative applications or landscape paths where an earth tone color is desired. The size of the rock is comfortable to walk on and the finer material helps to keep it compacted in place. This product can also be used for pipe bedding.

3/4 ” Red/Brown Drain
Used for the same purpose as the regular drain but some customers prefer the red brown color.

3/4” Blue Drain
Used for the same purpose as the regular drain but some customers prefer the blue color

3/4” Blue Subbase
This product works best for driveways. When the material gets wet in the winter months, it will compact and the fines will give it a concrete look. Can also be used for horse stalls.

Fill Sand
This product is general-purpose coarse sand. It can be used as an under slab sand or for pipe bedding material. It is not approved for PG&E use.

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