Kühnle, Wiltingen
Manufacture of bespoke timber window assemblies in multiple coupled configurations (incl. stulp/double-leaf units, BT elements and arched top parts produced according to templates), with Wiener/Steg glazing bars and period-style brass hardware references (original “olive” handles). Includes site-specific detailing such as roller-shutter strips and special coupling angles.

New Elements Manufactured
Window System
121 A-CH60/60-18 ONL
Glazing
Insulating glazing U=1.1 W/m²K (typically 4–14–4; some notes show 4–16–4) with SWS white spacer; arched upper parts per template
Material
Oak – DKD (FIX) (EICHE)
Airtightness & Performance
U=1.1 W/m²K; white sealing + silicone; installation gap 15/6 mm
Color
RAL 9003 (Signal White) – inside & outside; white seals/silicone
Hardware & Craft Details
Roto NT fittings; hinges Anuba (RAL 9003) and Fitschband-special / Klassic mortised hinges (TKZ 9032/9033) on selected positions; original brass (patinated) olives and oval handles; some lower sashes with original lever/bascule hardware; knob + Vorreiber on selected oval windows; special coupling angle 13° (pos. 28); roller-shutter strips for mounting positions 19–20.
Key Benefits Delivered
Historically consistent look through narrow profiles and Wiener bars, combined with modern insulated glazing (U=1.1) and durable Roto NT hardware; custom arched elements produced by template to match existing openings; coordinated detailing for shutters and special couplings.













