You’re Currently on Our Commercial Website.
Would you like to switch to our Residential Website to explore tailored glazing solutions for homeowners?
Our prefabricated transaction windows are engineered for secure environments such as embassies, police stations, and critical infrastructure buildings. Available in various materials and resistance classes, they provide a customised and certified solution for bullet, blast, burglar, fire, and smoke protection.
Prefabricated high-security units with glazing, cladding and transfer tray
Available in aluminium and steel constructions to suit various needs
Bullet resistance up to FB7-NS and burglar resistance up to RC6
Optional fire and smoke protection with SECUFIRE® steel system
Compatible with S1es, S2es-w, S6es-w and SECUFIRE® product series
Supports custom communication and video integration
Transaction windows built to secure what matters most
Designed to withstand the most demanding security threats, our transaction windows are customisable to fit multiple security classes including bullet, blast, burglar, fire, and smoke protection.
Each unit comes prefabricated for rapid deployment and can be installed internally or externally in masonry, reinforced concrete, or other wall structures. Optional accessories like integrated communication and video modules ensure seamless operation in public-facing roles.
Whether used in public institutions or private facilities, these units offer architectural flexibility while maintaining uncompromising performance. Our transaction windows represent the trusted standard for reliable, compliant protection.
Performance levels depend on selected series and material
Tested in accordance with DIN EN 1627–1630, with resistance classes up to RC6 depending on series (S1es, S2es-w, S6es-w, SECUFIRE®).
Up to FB7-NS as per DIN EN 1522–1523, with certified glazing in accordance with DIN EN 1063.
Tested with explosives up to 500 kg at a 24 m distance. Classified GSA 2 (Very High) and ISO B (No Hazard).
Depending on selected design, up to T90/EI90 fire resistance with SECUFIRE® steel frames.
Certified up to S200 for smoke control in steel-based variants.
Available primed, painted, anodised, powder coated or clad in timber, stainless steel, stone, or bronze.
Supports transfer trays, communication modules, and video tech. Compatible with all SYSTEM SÄLZER products.
High prefabrication enables quick installation in internal or external applications. Installed into masonry, concrete, or framed structures.
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.