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How to Choose Quality Stone and Sand for Concrete Work
**Choosing Stone for Concrete**
– Stone size: ¾ stone for structural concrete; larger stone for some foundation work
– Stone cleanliness: No soil, mud, or organic matter
– Stone strength: Must be strong and durable under compression
**Choosing Sand for Concrete**
– Sand grain size: Typically coarse or medium sand
– Sand cleanliness: No soil, wood chips, or organic matter
– FM (Fineness Modulus) value
Frequently asked questions (FAQ)
¾ stone is commonly used as it has appropriate size and strength.
Coarse or medium sand for stronger structure.
Quality materials increase concrete strength and give structures a longer lifespan.
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