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SÄLZER Aluminium Security Windows – Series S6es-w
The S6es-w series offers elegant aluminium window designs with certified protection against forced entry, ballistic threats, and explosions – all in a refined, customisable format suitable for demanding environments.
Burglar resistance certified up to RC4 (RC3 even in tilt position – SECURON® series)
Bullet resistance up to FB4-NS with BR4-NS glazing
Explosion resistance up to EXR3 and EPR4 with tested shockwave protection
Certified complete system – including frame, glazing, and wall connections
Flush-mounted glazing bead with no visible fixings for a sleek finish
Combinable with all other SÄLZER products for a unified security system
Large sizes tested – up to 1680 x 3160 mm with RC4 resistance
Customisable finishes: anodised, powder-coated, or clad in timber, stone, or bronze
Also available in heritage-style replicas with modern performance
Robust Security with Sophisticated Style
Designed for high-risk sites, heritage upgrades, and demanding industrial use
The S6es-w aluminium window system offers a rare balance of architectural design freedom and proven protection. It is suitable for projects that demand both style and resilience – from modern buildings to historically inspired replicas.
With multiple certified variants including tilt, turn, tilt-turn, top-hung, and French window options, the system has been tested with large dimensions and high sash weights, ensuring practical integration into diverse building types.
Tested and certified to the highest European standards, the S6es-w series ensures peace of mind with resistance to burglar attacks, ballistic threats, and shockwaves from explosions. Each unit is factory-tested as a complete system, including wall installation.
Technical Performance at a Glance
Tested and certified to meet international standards in safety, comfort, and longevity
Forced Entry Resistance
Certified up to RC4 according to DIN EN 1627-1630; RC3 achievable even in tilt position (SECURON® series).
Bullet Resistance
Up to FB4-NS as per DIN EN 1522-1523 with glazing certified to BR4-NS under DIN EN 1063.
Blast Resistance
Certified up to EXR3 and EPR4; tested against 500 kg explosives at 24m and long-duration shockwaves (ISO B, GSA 2 ratings).
Thermal & Acoustic Performance
Uw as low as 0.8 W/m²K with triple glazing; sound insulation up to Rw 45 dB.
Design & Hardware
Flush-mounted glazing bead, optional SAELOX® locking, and heavy-duty hardware supporting sash weights up to 350 kg.
Sizes & Installation
Large window sizes tested up to 1680 x 3160 mm (RC4), with frame depths of 115 mm and sash depths up to 125 mm.
Environmental Protection
Water tightness up to E900, wind resistance up to C5, and air permeability up to Class 4.
Finish Options
Anodised or powder-coated aluminium; can be overclad in timber, stone, stainless steel, or bronze.
What Our Customers Say
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.