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MasterWall Opening Elements

Technical information



Thermal insulation - Utj
2.1 W/m²K


Air tightness
Class 4 (600Pa)
Water tightness
Class E1500 (1500Pa)
Wind load resistance
Class C5 (2000Pa)
Acoustics - Rw(C;Ctr)
49 (-1;-5) dB
* Note: Performances and properties may be different depending on the profile combinations


Max. dimensions & weight

Min. width of element
641 mm
Min. height of vent
600 mm
Max. height of vent
2800 mm
Min. width of vent
450 mm
Max. width of vent
1200 mm
Max. weight of vent
130 kg


Min. frame width (inward opening)
60 mm
Min. vent width (inward opening)
37 mm
Min. frame-vent width (inward opening)
114 mm
Min. frame width (outward opening)
63 mm
Min. frame-vent width (outward opening)
96 mm
Min. width T-profile
80 mm
Min. visible width (interior view)
80 mm
Min. visible width (exterior view)
80 mm
Depth frame
173 mm
Depth Vent
87 mm
Depth frame-vent
173 mm


Rebate height
27 mm
Glazing method
Dry glazing Siliconized glazing Internal glazing Glazing bead
Min. glass thickness - frame/element
6 mm
Max. glass thickness - frame/element
62 mm
Min. glass thickness - vent
13 mm
Max. glass thickness - vent
72 mm