The SECUFIRE® series offers slim-profile steel windows that combine outstanding security with architectural finesse. Certified for break-in, bullet, blast, fire, and smoke resistance, this high-performance window solution delivers both aesthetics and resilience.
Break-in resistance up to RC4 – tested on both sides
Bullet resistance up to FB4-NS with expansive glazing
Blast tested up to 100 kg explosives at 22 m distance
Optional fire protection up to F90 / EI90
Smoke protection up to S200 classification
Available in four configurations: S, U, F, P profiles
Extremely slim profile widths starting from 30 mm
Custom finishes in powder-coated, timber, stainless steel, bronze and more
Fully tested as a complete system with glazing and installation method
Steel Strength, Slim Design, Multi-Threat Protection
SECUFIRE® windows are built for those who demand top-tier security without compromising on design. The slim steel tubular frames offer a sleek modern profile, allowing large areas of glazing while meeting RC4 burglary resistance and FB4-NS ballistic standards.
This system is tested to withstand powerful blast pressures and, when required, can also be fire- and smoke-rated. With profile depth options to match project needs, SECUFIRE® windows can be configured to meet specific security and aesthetic requirements.
Ideal for commercial, governmental, or high-risk residential applications, SECUFIRE® is available in four profile variations and supports custom surface finishes to seamlessly match building exteriors.
Certified performance across safety, design, and durability.
Tested to DIN EN 1627–1630 up to RC4, including both sides, ensuring robust protection against intrusion attempts.
Certified to DIN EN 1522–1523 up to FB4-NS, using DIN EN 1063 glazing rated to BR4-NS for dependable ballistic resistance.
Tested in various field scenarios with explosives up to 100 kg at 22 m. Glazing per SÄLZER spec. Rated GSA2 with 272.2 kPa peak reflected pressure.
Fire resistance up to F90 (DIN 4102) or EI90 (EN 13501-2) and smoke protection to S200 (EN 13501-2) or RS-12 (DIN 18095), depending on design.
Outstanding thermal performance up to UW 0.9 W/m²K depending on window type and glazing.
Noise reduction up to RW 47 dB, supporting acoustic comfort in high-security environments.
Up to C3 wind load (1,200 Pa), E900 watertightness (900 Pa), and Class 4 air permeability (600 Pa).
Available in S, U, F, or P profiles. Slim 30 mm profile widths. Custom finishes including anodised, powder-coated, and cladding in timber, stone, or metal.
We take pride in delivering exceptional glazing solutions and outstanding customer service. Here’s what some of our happy clients have to say about working with Minimal Frame Projects.