For elements of: Timber
Profile: 56 mm sash thickness
Threshold: GU-threshold 47
Bogies: GU-934, GU-937, GU-934 Tandem
Sash configuration patterns: A, C, D
Top guide track: P1786
max. sash weight (in kg): 400, 150, 300
max. proportion (sash height : sash width): 2.5 : 1