What works in Zone 0, and why
A non-combustible material doesn’t ignite, burn, or release fuel when exposed to extreme heat. This is measured by the ASTM E136 standard. In Zone 0, non-combustible materials slow or stop ember ignition, protecting the structure from the most common wildfire threat.
Limitations: Not fireproof at extreme sustained heat
Uses: Gates, fencing, pergolas, screens
Limitations: Cost, maintenance (rust prevention)
Uses: Structural elements, gates, security
Limitations: Cost and aesthetic limitations
Uses: Ground surfaces, driveways, patios
Wood fencing violates Zone 0
Violates Zone 0 requirements
Most does not meet Zone 0
| Aluminum | Steel | Concrete | Wood/Vinyl/Composite | |
|---|---|---|---|---|
| Melting Point | 1,220°F | 2,750°F | N/A | 160-400°F |
| Fire Performance | Excellent | Excellent | Excellent | Poor |
| Durability | High | Very High | Very High | Low |
| Cost | Moderate | High | Moderate | Low |
| Zone 0 Approved? | ✅ Yes | ✅ Yes | ✅ Yes | ❌ No |
No material is fireproof. At extreme sustained heat, any material can be affected. Zone 0 is one layer of defense; Zones 1 & 2 also matter.
