Part f ventilation.
Window opening restrictor regulations.
If the original window that is being replaced was larger than necessary for the purpose of escape then the new window opening could be reduced down to the minimum as specified in the criteria below.
Besides restricting the window from opening more than 12 5 cm or more the device must also be able to withstand a force equal to 25 kilograms.
Access may need to be restricted to balconies that are not.
Check the packaging on the locks or contact the seller or manufacturer for more information.
In order to ensure fire safety provision must be made to allow emergency escape via a window or door in habitable rooms.
Permanent means that a restrictor or screen is securely fixed in position e g.
1 10thfloor area of room served.
Where the window opens between 15 and 30 degrees that area needs to be doubled i e.
To comply the window should have an unobstructed openable area that at least 0 33mm2 and at least 450mm high and or wide.
A window restrictor is purely to reduce the risk of falling out of a window.
That guidance requires a minimum of 1 20thfloor area of the room served in openable window height x width of opening part where the window opens 30 degrees or more.
Window openings more than 1 7m off the floor do not need to be restricted unless their construction contains a sill or a transom that is located between 150mm 750mm from the floor which constitutes a climbable zone for a child.
Currently gem windows does not have a barrier screen option.
In dwellings where a window has an opening section through which a person may fall having particular regard to children under five years old and is more than 1400 mm above external ground level suitable safety restrictors should be provided.
Window restrictors should only be able to be disengaged using a special tool or key.
The opening should be restricted to 100 mm or less.
When replacing any window the opening should be sized to provide at least the same potential for escape as the window it replaces.
Safety restrictors should restrain the window sufficiently to prevent such falls.
Window restrictors should only be able to be disengaged using a special tool or key.
A screen pop riveted to the window frame so it cannot be unlocked overridden or is very difficult to remove without for example a drill.
However if you do require window restrictors the hse advise that windows that are large enough to allow people to fall out should be restrained sufficiently to prevent such falls.
