Bundesministerium der Finanzen
Restoration, manufacture, supply and technical coordination of historic timber windows, security windows, balcony doors and selected entrance doors for a federal ministry building; included façade-specific revisions, shop drawings, glazing changes, Siemens alarm/contact integration and phased production/delivery.
New Elements Manufactured
Window System
Historic timber windows incl. standard and security types A3/EF0, B1/EF1, B2/EF2 and C3-SF/B3; some units with Lüfter / RWA
Glazing
Insulating and security glazing incl. Cool-Lite SN 150, Opti-White, Alarm-Sekurit, Satinato / matte-effect solutions; acoustic variants up to SSK5
Material
Timber (pine and oak, depending on window/security class)
Security Requirements
A3/EF0, B1/EF1, B2/EF2, C3-SF/B3; Siemens magnetic & locking contacts; alarm loop glass
Airtightness & Performance
Acoustic classes SSK2-SSK5; some assemblies targeted kW ≈ 1.6; RWA-compatible details; ventilated glazing rebate requirements
Color
Interior RAL 9010; exterior NCS 6502-B; white spacers / visually controlled glazing appearance
Hardware & Craft Details
Heritage joinery with class-specific hardware; EF0/EF1 lower leaves often Dreh-Kipp with 22–25 mm sill offset; custom seals, cable routing, alarm contacts and façade-specific detailing
Key Benefits Delivered
Deliverables: standard windows, security windows, balcony doors, rehabilitated access doors, drawings and phased production lots. Benefits: preserved historic appearance with upgraded security, acoustics and solar control.
