Comparison of Spall vs. Non-Spall Options in Glass

When it comes to security glass solutions, understanding the difference between spall and non-spall glass options is critical. These terms relate to how the glass behaves when subjected to impact, such as a ballistic strike or explosion. The choice between spall and non-spall glass can have significant implications for safety, security, and performance in various applications.

What is Spall?

Spall refers to the fragments or shards that break away from the non-impact side of the glass when it is subjected to a force, such as a bullet strike or explosion. Spalling occurs when the energy of the impact is transmitted through the glass, causing the back surface to fragment.

Key Characteristics of Spall Glass:

1. Fragmentation: The glass breaks into small pieces, which can eject into the interior space.
2. Lower Cost: Typically less expensive than non-spall glass due to simpler construction.
3. Application: Often used in areas where minimal interior safety risk is acceptable, such as exterior walls or non-critical zones.

What is Non-Spall Glass?

Non-spall glass is engineered to prevent fragments from ejecting on the non-impact side. This is achieved using advanced interlayers or coatings that hold the glass together, ensuring maximum safety for occupants.

Key Characteristics of Non-Spall Glass:

1. Fragment Retention: Prevents shards from flying into the protected area, reducing the risk of injury.
2. Enhanced Safety: Designed for high-security zones or environments with a high risk of ballistic threats.
3. Higher Cost: Due to the specialized interlayers and manufacturing processes.
4. Application: Commonly used in embassies, airports, banks, and other critical infrastructure.

Comparison: Spall vs. Non-Spall Options

Applications of Spall and Non-Spall Glass

Spall Glass:

• Building Exteriors: Used in areas with minimal occupant presence.
• Perimeter Barriers: For low- to medium-security applications.
• Non-Critical Structures: Ideal for applications where occupant safety is not a primary concern.

Non-Spall Glass:

• High-Security Zones: Embassies, government buildings, and military facilities.
• Transportation Hubs: Airports and rail stations with high public traffic.
• Critical Infrastructure: Banks, data centers, and nuclear facilities.
• Vehicle Armor: Armored vehicles and protective barriers for law enforcement.

Which One Should You Choose?

Choosing between spall and non-spall glass depends on your specific project requirements:

1. Select Spall Glass if:
   • Cost is a primary factor.
   • The application does not require high levels of occupant safety.
   • You are securing exterior zones or areas with minimal occupancy.
2. Select Non-Spall Glass if:
   • Safety and security are critical.
   • The application involves protecting people from ballistic or explosive threats.
   • The project is in a high-risk environment such as embassies, airports, or banks.

The choice between spall and non-spall glass options is a crucial decision that directly impacts the safety, security, and cost-efficiency of your project. While spall glass provides a cost-effective solution for low-risk applications, non-spall glass ensures maximum protection in high-security environments.

At FG, we specialize in both spall and non-spall glass solutions, offering products that meet the highest international safety standards. Whether you need robust perimeter protection or advanced security for critical zones, our cutting-edge glass technologies deliver uncompromising performance. Contact us today to discuss your security needs and discover how FG can help you make the right choice for your project!