Blast Walling Solutions

Proven Protection with Legato™ and Vee™ Blocks

Our Legato™ and Vee™ Blocks are robust, precast solutions specifically suited for blast protection and shielding in high-risk defence and security environments. Independently tested with high explosive charges, these blocks demonstrate outstanding resilience under extreme conditions, making them ideal for applications where safety and containment are critical.

Blast Walling Solutions

Key Features

Blast-Resistant Performance
Successfully tested under controlled high-explosive conditions. Independent blast trials confirmed both systems deliver strong protective screening.

Fire Resistance
Classified as Class A1 fire resistant in accordance with clause 4.3.4.4 of EN 13369—ensuring performance in both explosive and fire-related scenarios.

Modular & Flexible
Available in multiple sizes, the interlocking design of Legato™ and Vee™ Blocks allows rapid construction of blast walls, barriers, and containment structures.

Durability
Manufactured from high-strength concrete for long-term resilience against environmental and operational stresses.

Defence & Security Applications

Explosives Magazine Shielding
Creating protective enclosures for commercial and military-grade explosives.

Destructive Valve Testing
Providing safe containment during high-pressure destructive testing.

Protective Screening
Ideal for fireworks storage, explosive magazines, and other sensitive defence materials.

Temporary or Permanent Blast Walls
Modular design allows both fixed installations and redeployable defensive structures.

Independent Test Results

Testing was carried out with high explosive charges, measuring performance across multiple gauges:

Gauge 2 (Karablock – Available from RSG Structures):

  • Standoff: 2.42 m
  • Peak pressure: 1,516 kPa
  • Positive impulse: 1,304 kPa.ms

Gauge 3 (Vee Block, with Legato block positioned in corner):

  • Standoff: 2.43 m
  • Peak pressure: 1,329 kPa
  • Positive impulse: 1,523 kPa.ms

Verified by:
Dr Colin Morison – Technical Director — Security & Explosion Effects, TPS

Why Defence Clients Choose Elite Precast Blast Walling

  • Proven through real-world explosive testing
  • Rapid deployment with interlocking modular units
  • Adaptable configurations for both temporary and permanent defence needs
  • Recognised compliance with European standards for fire resistance
  • Trusted by critical infrastructure, defence contractors, and MoD projects

Summary

For defence environments where blast resistance and fire protection are paramount, Legato™ and Vee™ Blocks provide a tested, flexible, and reliable solution. Whether shielding explosives magazines, containing destructive tests, or building protective blast walls, these precast units deliver proven security under the toughest conditions.