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Gunnite
Gunite (also spelled "gunnite") is a construction material and application method. Here's a quick overview:
What it is:
Gunite is a dry-mix form of shotcrete - it's concrete or mortar pneumatically projected at high velocity onto a surface. The dry ingredients (cement + sand) are mixed first, then water is added at the nozzle just before application.
How it differs from shotcrete:
- Gunite = dry-mix process (water added at nozzle)
- Wet-mix shotcrete = all ingredients pre-mixed, then sprayed
Common uses:
- Swimming pools - the most common residential use; gunite pools are known for durability and design flexibility
- Tunnels and mines - lining and stabilization
- Retaining walls
- Slope stabilization / erosion control
- Repair of concrete structures
- Water tanks and reservoirs
Advantages:
- Very strong and durable
- Conforms to any shape
- Low rebound waste when applied correctly
- Good for overhead and vertical surfaces
Disadvantages:
- Requires a skilled nozzleman
- Dust generation during application
- Consistency depends heavily on operator technique
Is there a specific aspect of gunite you're interested in - pool construction, structural use, technique, or something else?
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