They allow a window to be partially opened for ventilation purposes whilst preventing it being opened wide enough for a person to climb through.
Window opening restrictors.
Typically sash restrictors are fitted 100mm above the mid rail so that the window can only be opened by 100mm.
100mm is the industry standard fit as it is estimated that a baby could not fit through a 100mm opening and fall out the window.
We have a wide range of features incorporated into our products including egress restrictors key locking upvc window restrictors and cable window restrictors.
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Window restrictors allow the opening of a window to be restricted which is useful from both a security view point and the safety of residents within a property particularly children.
Closer to the hinge and the window will open more mount it closer to the handle and the window will only open a little.
Window restrictors can help you to meet legal requirements to reduce the risk of falling from a window they work by preventing a window from opening far enough for a person to fall through.
A window child lock restrictor is purely to reduce the risk of falling out of a window.
This is a carefully considered range of window restrictors window restraints and window limiters for your upvc aluminium or wooden windows.
This is to prevent someone either entering or exiting and the opening gap is typically 10 cm.