Hinged secondary glazing can be butt hinged, friction hinged or parallel friction hinged. Excellent for use in hard to treat areas such as bay windows and other specialist applications.
Butt hinged units open to around 150° giving full access to the existing windows. Friction hinged units open to around 65° allowing the panel to be held in any given position, regulating ventilation. Parallel hinged (PIP™) secondary provides restricted opening for controlled, secure ventilation. Hinged units can be combined with Lift Out units, perfect for specialist applications.
... when large glass areas require easy access for maintenance, ventilation or cleaning; Hinged Secondary is the answer ...
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