1-Yard Expanded Shale sand

1-Yard Expanded Shale sand
US$125.00
Expanded shale is a lightweight, porous, gray material made from heated shale that's used as a soil amendment and in construction. 
 
Description
  • Composition: Expanded shale is mainly made of clay minerals, but can also contain quartz and mica. 
     
  • Appearance: Expanded shale is a gravel-like material with small porous holes. 
     
  • Properties: Expanded shale is strong, durable, environmentally inert, and highly insulative.
Uses
  • Gardening
    Expanded shale can help loosen dense soils, improve drainage, and support plant life. It's often used in rose beds, lightweight soils for green roofs, and potting mixes for succulents. 
     
  • Construction
    Expanded shale is used in lightweight masonry units, such as school classrooms and library units. It's also used to lighten concrete structures. 
     
  • Aquaponics
    Expanded shale's porous structure provides ample airflow and oxygen to plant roots. 
     
  • Biofilter
    Expanded shale can be used as a biofilter in outdoor water gardens or koi ponds. 
     
Related materials
Expanded shale is related to the silicate soil amendments perlite and vermiculite. 

Delivery is $79 one flat rate per dump out.