The Dirt Fill and Aggregates FAQ

1. Non Structural Fill
   Material not capable of supporting a
   structure without settlement.
    
2. Structural Fill
   Material capable of supporting a minimum of 2400 psi
    
3. Top Soil
   Organic rich soil used for landscaping
    
4. Scalpings
   Material scraped from the ground containing grass, roots and other vegetation not suitable for construction.

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