products
Knife River is one of the Top 10 aggregate producers in the United States. It is built on a foundation of more than 1.2 billion tons of aggregate reserves in strategic locations relative to its market areas. Its major product lines include Aggregate, Asphalt Ready-Mix Concrete; Building Materials, Construction Services and Liquid Asphalt Production. To support these products it offers integrated construction services involving both the private and public sectors.
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Aggregate
- any combination of sand, gravel and crushed stone in its natural state.
Asphalt
- a mixture of liquid asphalt and crushed stone, gravel or sand.
Building Materials
- Products and tools used in concrete, masonry, landscape, home and general construction.
Cement
- Cement is often confused with concrete. Cement is a finely ground, usually grey mineral powder. When mixed with water, cement acts as a glue to bind together sand, gravel and crushed stone to form concrete, the most widely-used construction material in the world.
Liquid Asphalt
- a dark brown to black cementitious material in which the predominating constituents are bitumens, which occur in nature or are obtained in petroleum processing.
Prestress/Precast Concrete
- A concrete product that is cast in the form of a structural element such as a beam, architectural panel, pipe, utility vaults or tanks before being placed in their final position.
Ready Mix Concrete
- Concrete is the most widely-used construction material in the world. Concrete is made from a mixture of cement, water, sand, gravel and crushed stone, which hardens to a stone like condition when dry.
Rebar
- Various-sized fabricated steel bar used to reinforce concrete products and masonry.
Masonry
- Manufactured concrete products such as block used in buildings and foundations, landscape retaining walls, paver systems and associated products.
Recycled Aggregate
- Waste asphalt or concrete that is recycled by crushing and screening to specification. Recycled aggregate materials are either sold as a alternative to a gravel product or used in the production of asphalt or concrete.